2001-04-19 Benjamin Kosnik <bkoz@redhat.com>

	* acconfig.h (_GLIBCPP_USE_C99): Add.
	* config.h.in: Regenerate.
	* acinclude.m4 (GLIBCPP_ENABLE_C99): New macro. Test for ISO/IEC
	9899: 1999 support.
	* aclocal.m4: Regenerate.
	* configure.in (GLIBCPP_ENABLE_C99): Use it, on by default.
	* configure: Regenerate.
	* configure.in (GLIBCPP_ENABLE_LONG_LONG): Set default to yes.
	* configure: Regenerate.
	* include/c_std/bits/std_cwchar.h: Put wcstold, wcstoll, wcstoull
	into c99.
	* include/c_std/bits/std_cmath.h: Bring C99 functions into c99
	namespace.
	* include/c_std/bits/std_cstdlib.h: Same.
	* docs/html/configopts.html: Update.
	* testsuite/26_numerics/c99_macros.cc: Edit, use cmath instead of
	math.h
	(test_c99_classify): Add.
	* config/os/gnu-linux/bits/os_defines.h (_GNU_SOURCE): Remove.
	(_ISOC99_SOURCE): Remove.

	* include/bits/stl_algo.h: Use _GLIBCPP_HAVE_DRAND48.
	* include/bits/c++config (__STL_ASSERTIONS): Simplify.
	* acinclude.m4 (GLIBCPP_CHECK_STDLIB_SUPPORT): Add check for drand48.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41451 138bc75d-0d04-0410-961f-82ee72b054a4

16 files changed, 1911 insertions, 1080 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 3c8fbd7d0b6..7dc265aa801 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,32 @@
+2001-04-19  Benjamin Kosnik  <bkoz@redhat.com>
+
+	* acconfig.h (_GLIBCPP_USE_C99): Add.
+	* config.h.in: Regenerate.
+	* acinclude.m4 (GLIBCPP_ENABLE_C99): New macro. Test for ISO/IEC
+	9899: 1999 support.
+	* aclocal.m4: Regenerate.
+	* configure.in (GLIBCPP_ENABLE_C99): Use it, on by default.
+	* configure: Regenerate.
+	* configure.in (GLIBCPP_ENABLE_LONG_LONG): Set default to yes.
+	* configure: Regenerate.
+	* include/c_std/bits/std_cwchar.h: Put wcstold, wcstoll, wcstoull
+	into c99.
+	* include/c_std/bits/std_cmath.h: Bring C99 functions into c99
+	namespace.
+	* include/c_std/bits/std_cstdlib.h: Same.
+	* docs/html/configopts.html: Update.
+	* testsuite/26_numerics/c99_macros.cc: Edit, use cmath instead of
+	math.h
+	(test_c99_classify): Add.
+	* config/os/gnu-linux/bits/os_defines.h (_GNU_SOURCE): Remove.
+	(_ISOC99_SOURCE): Remove.
+
+	* include/bits/stl_algo.h: Use _GLIBCPP_HAVE_DRAND48.
+	* include/bits/c++config (__STL_ASSERTIONS): Simplify.
+	* acinclude.m4 (GLIBCPP_CHECK_STDLIB_SUPPORT): Add check for drand48.
+	* aclocal.m4: Regenerate.
+	* configure: Regenerate.
+	
 2001-04-19  Phil Edwards  <pme@sources.redhat.com>
 
 	* Makefile.am (doxygen):  Assume script is missing execute perms.
@@ -29,7 +58,8 @@
 2001-04-13  Phil Edwards  <pme@sources.redhat.com>
 
 	* include/bits/stl_algobase.h (equal):  Use EqualOpConcept instead
-	of EqualityComparableConcept.
+	of EqualityCo
+	mparableConcept.
 
 2001-04-13  Phil Edwards  <pme@sources.redhat.com>
 
diff --git a/libstdc++-v3/Makefile.in b/libstdc++-v3/Makefile.in
index 8f0c6cc7f16..8777d1f96d6 100644
--- a/libstdc++-v3/Makefile.in
+++ b/libstdc++-v3/Makefile.in
@@ -136,43 +136,7 @@ MULTICLEAN = true
 # Work around what appears to be a GNU make bug handling MAKEFLAGS
 # values defined in terms of make variables, as is the case for CC and
 # friends when we are called from the top level Makefile.
-AM_MAKEFLAGS = \
-	"AR_FLAGS=$(AR_FLAGS)" \
-	"CC_FOR_BUILD=$(CC_FOR_BUILD)" \
-	"CC_FOR_TARGET=$(CC_FOR_TARGET)" \
-	"CFLAGS=$(CFLAGS)" \
-	"CXXFLAGS=$(CXXFLAGS)" \
-	"CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" \
-	"CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" \
-	"INSTALL=$(INSTALL)" \
-	"INSTALL_DATA=$(INSTALL_DATA)" \
-	"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
-	"INSTALL_SCRIPT=$(INSTALL_SCRIPT)" \
-	"LDFLAGS=$(LDFLAGS)" \
-	"LIBCFLAGS=$(LIBCFLAGS)" \
-	"LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" \
-	"MAKE=$(MAKE)" \
-	"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \
-	"PICFLAG=$(PICFLAG)" \
-	"PICFLAG_FOR_TARGET=$(PICFLAG_FOR_TARGET)" \
-	"SHELL=$(SHELL)" \
-	"exec_prefix=$(exec_prefix)" \
-	"infodir=$(infodir)" \
-	"libdir=$(libdir)" \
-	"includedir=$(includedir)" \
-	"prefix=$(prefix)" \
-	"tooldir=$(tooldir)" \
-	"AR=$(AR)" \
-	"AS=$(AS)" \
-	"LD=$(LD)" \
-	"LIBCFLAGS=$(LIBCFLAGS)" \
-	"PICFLAG=$(PICFLAG)" \
-	"RANLIB=$(RANLIB)" \
-	"NM=$(NM)" \
-	"NM_FOR_BUILD=$(NM_FOR_BUILD)" \
-	"NM_FOR_TARGET=$(NM_FOR_TARGET)" \
-	"DESTDIR=$(DESTDIR)" \
-	"WERROR=$(WERROR)" 
+AM_MAKEFLAGS =  	"AR_FLAGS=$(AR_FLAGS)" 	"CC_FOR_BUILD=$(CC_FOR_BUILD)" 	"CC_FOR_TARGET=$(CC_FOR_TARGET)" 	"CFLAGS=$(CFLAGS)" 	"CXXFLAGS=$(CXXFLAGS)" 	"CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" 	"CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" 	"INSTALL=$(INSTALL)" 	"INSTALL_DATA=$(INSTALL_DATA)" 	"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" 	"INSTALL_SCRIPT=$(INSTALL_SCRIPT)" 	"LDFLAGS=$(LDFLAGS)" 	"LIBCFLAGS=$(LIBCFLAGS)" 	"LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" 	"MAKE=$(MAKE)" 	"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" 	"PICFLAG=$(PICFLAG)" 	"PICFLAG_FOR_TARGET=$(PICFLAG_FOR_TARGET)" 	"SHELL=$(SHELL)" 	"exec_prefix=$(exec_prefix)" 	"infodir=$(infodir)" 	"libdir=$(libdir)" 	"includedir=$(includedir)" 	"prefix=$(prefix)" 	"tooldir=$(tooldir)" 	"AR=$(AR)" 	"AS=$(AS)" 	"LD=$(LD)" 	"LIBCFLAGS=$(LIBCFLAGS)" 	"PICFLAG=$(PICFLAG)" 	"RANLIB=$(RANLIB)" 	"NM=$(NM)" 	"NM_FOR_BUILD=$(NM_FOR_BUILD)" 	"NM_FOR_TARGET=$(NM_FOR_TARGET)" 	"DESTDIR=$(DESTDIR)" 	"WERROR=$(WERROR)" 
 
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 CONFIG_HEADER = config.h
diff --git a/libstdc++-v3/acconfig.h b/libstdc++-v3/acconfig.h
index 29ffd5e1125..3c79c8c92e5 100644
--- a/libstdc++-v3/acconfig.h
+++ b/libstdc++-v3/acconfig.h
@@ -12,6 +12,9 @@
 // Include support for 'long long' and 'unsigned long long'.
 #undef _GLIBCPP_USE_LONG_LONG
 
+// Define if code specialized for wchar_t should be used.
+#undef _GLIBCPP_USE_C99
+
 // Include support for 'long double'.
 #undef _GLIBCPP_USE_LONG_DOUBLE
 
@@ -30,16 +33,13 @@
 // Define if you have the copysignf function.
 #undef _GLIBCPP_HAVE_COPYSIGNF
 
-// Define if lldiv_t exists in stdlib.h.
-#undef HAVE_LLDIV_T
-
-// Define if mbstate_t exists in wchar.h.  */
+// Define if mbstate_t exists in wchar.h.
 #undef HAVE_MBSTATE_T
 
-// Define if you have the modff function.  */
+// Define if you have the modff function.
 #undef HAVE_MODFF
 
-// Define if you have the modfl function.  */
+// Define if you have the modfl function.
 #undef HAVE_MODFL
 
 // Define if the compiler/host combination has __builtin_abs
@@ -99,6 +99,15 @@
 // underscore, we'll handle those here. Must come after config.h.in.
 //
 
+#if defined(_GLIBCPP_USE_C99) && defined(__cplusplus)
+// Placeholder for declarations in c99 namespace.
+namespace std
+{
+  namespace c99 { }
+  using namespace c99;
+}
+#endif
+
 #if defined (HAVE__ISNAN) && ! defined (HAVE_ISNAN)
 # define HAVE_ISNAN 1
 # define isnan _isnan
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index 8f3073e78d0..6a3fcc7fe69 100644
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -455,9 +455,6 @@ dnl Check to see if the (stdlib function) argument passed is
 dnl 1) declared when using the c++ compiler
 dnl 2) has "C" linkage
 dnl
-dnl Define HAVE_STRTOLD if "strtold" is declared and links
-dnl Define HAVE_STRTOF if "strtof" is declared and links
-dnl
 dnl argument 1 is name of function to check
 dnl
 dnl ASSUMES argument is a math function with TWO parameters
@@ -600,8 +597,9 @@ dnl 1) make sure the name is declared when using the c++ compiler
 dnl 2) make sure the name has "C" linkage
 dnl This might seem like overkill but experience has shown that it's not...
 dnl
-dnl Define HAVE_STRTOF etc if "strtof" is found.
-dnl Define HAVE_STRTOLD etc if "strtold" is found.
+dnl Define HAVE_STRTOLD if "strtold" is declared and links
+dnl Define HAVE_STRTOF if "strtof" is declared and links
+dnl Define HAVE_DRAND48 if "drand48" is declared and links
 dnl
 dnl GLIBCPP_CHECK_STDLIB_SUPPORT
 AC_DEFUN(GLIBCPP_CHECK_STDLIB_SUPPORT, [
@@ -611,6 +609,7 @@ AC_DEFUN(GLIBCPP_CHECK_STDLIB_SUPPORT, [
 
   AC_CHECK_FUNCS(strtof)
   GLIBCPP_CHECK_STDLIB_DECL_AND_LINKAGE_2(strtold)
+  AC_CHECK_FUNCS(drand48)
 
   CXXFLAGS="$ac_save_CXXFLAGS"
 ])
@@ -1326,7 +1325,7 @@ dnl GLIBCPP_ENABLE_LONG_LONG
 dnl --enable-long-long defines _GLIBCPP_USE_LONG_LONG
 dnl --disable-long-long leaves _GLIBCPP_USE_LONG_LONG undefined
 dnl  +  Usage:  GLIBCPP_ENABLE_LONG_LONG[(DEFAULT)]
-dnl       Where DEFAULT is either `yes' or `no'.  If ommitted, it
+dnl       Where DEFAULT is either `yes' or `no'.  If omitted, it
 dnl       defaults to `no'.
 dnl  +  If 'long long' stuff is not available, ignores DEFAULT and sets `no'.
 dnl
@@ -1344,44 +1343,93 @@ AC_DEFUN(GLIBCPP_ENABLE_LONG_LONG, [dnl
    *)   AC_MSG_ERROR([Unknown argument to enable/disable long long]) ;;
    esac],
   enable_long_long=GLIBCPP_ENABLE_LONG_LONG_DEFAULT)dnl
+
+  # Option parsed, now set things appropriately
+  if test x"$enable_long_long" = xyes; then
+    AC_DEFINE(_GLIBCPP_USE_LONG_LONG)
+  fi
+])
+
  
-  # Allow use of os-dependent settings, so that macros that turn on
-  # C99 capabilities can be defined and used in a consistent way.
-  OS_INC_PATH=${srcdir}/$os_include_dir
-  ac_test_CFLAGS="${CFLAGS+set}"
-  ac_save_CFLAGS="$CFLAGS"
-  CFLAGS="-I$OS_INC_PATH"
+dnl
+dnl Check for ISO/IEC 9899:1999 "C99" support.
+dnl
+dnl GLIBCPP_ENABLE_C99
+dnl --enable-c99 defines _GLIBCPP_USE_C99
+dnl --disable-c99 leaves _GLIBCPP_USE_C99 undefined
+dnl  +  Usage:  GLIBCPP_ENABLE_C99[(DEFAULT)]
+dnl       Where DEFAULT is either `yes' or `no'.  If omitted, it
+dnl       defaults to `no'.
+dnl  +  If 'C99' stuff is not available, ignores DEFAULT and sets `no'.
+dnl
+dnl GLIBCPP_ENABLE_C99
+AC_DEFUN(GLIBCPP_ENABLE_C99, [dnl
+  define([GLIBCPP_ENABLE_C99_DEFAULT], ifelse($1, yes, yes, no))dnl
 
-  # Check for the existence of functions used if long long is enabled.
-  AC_CHECK_FUNC(strtoll,,ac_strtoll=no)
-  AC_CHECK_FUNC(strtoull,,ac_strtoull=no)
+  AC_ARG_ENABLE(c99,
+  changequote(<<, >>)dnl
+  <<--enable-c99      turns on 'ISO/IEC 9899:1999 support' [default=>>GLIBCPP_ENABLE_C99_DEFAULT],
+  changequote([, ])dnl
+  [case "$enableval" in
+   yes) enable_c99=yes ;;
+   no)  enable_c99=no ;;
+   *)   AC_MSG_ERROR([Unknown argument to enable/disable C99]) ;;
+   esac],
+  enable_c99=GLIBCPP_ENABLE_C99_DEFAULT)dnl
+ 
+  AC_LANG_SAVE
+  AC_LANG_CPLUSPLUS
 
-  # Check for lldiv_t, et. al.
+  # Check for the existence of <math.h> functions used if C99 is enabled.
+  AC_TRY_COMPILE([#include <math.h>],[fpclassify(0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isfinite(0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isinf(0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isnan(0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isnormal(0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[signbit(0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isgreater(0,0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isgreaterequal(0,0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isless(0,0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[islessequal(0,0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[islessgreater(0,0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isunordered(0,0);],, [ac_c99_math=no])
+
+  # Check for the existence in <stdlib.h> of lldiv_t, et. al.
+  AC_CHECK_FUNC(strtoll,,ac_c99_stdlib=no)
+  AC_CHECK_FUNC(strtoull,,ac_c99_stdlib=no)
+  AC_CHECK_FUNC(llabs,,ac_c99_stdlib=no)
+  AC_CHECK_FUNC(lldiv,,ac_c99_stdlib=no)
+  AC_CHECK_FUNC(atoll,,ac_c99_stdlib=no)
+	
   AC_MSG_CHECKING([for lldiv_t declaration])
-  AC_CACHE_VAL(glibcpp_lldiv_t_use, [
-  AC_TRY_COMPILE([#include <bits/os_defines.h>
-                  #include <stdlib.h>], 
+  AC_CACHE_VAL(ac_c99_lldiv_t, [
+  AC_TRY_COMPILE([#include <stdlib.h>], 
                    [ lldiv_t mydivt;], 
-                   [glibcpp_lldiv_t_use=yes], [glibcpp_lldiv_t_use=no])
+                   [ac_c99_lldiv_t=yes], [ac_c99_lldiv_t=no])
   ])
-  AC_MSG_RESULT($glibcpp_lldiv_t_use)
-  if test x$glibcpp_lldiv_t_use = x"yes"; then
-    AC_DEFINE(HAVE_LLDIV_T)
-  fi
+  AC_MSG_RESULT($ac_c99_lldiv_t)
+  if test x"$ac_c99_lldiv_t" = x"no"; then
+    ac_c99_stdlib=no; 
+  fi; 
+
+  # Check for the existence of <wchar.h> functions used if C99 is enabled.
+  AC_CHECK_FUNC(wcstold,,ac_c99_wchar=no)
+  AC_CHECK_FUNC(wcstoll,,ac_c99_wchar=no)
+  AC_CHECK_FUNC(wcstoull,,ac_c99_wchar=no)
 
-  AC_MSG_CHECKING([for enabled long long])
-  if test x"$ac_strtoll" = xno || test x"$ac_strtoull" = xno; then 
-    enable_long_long=no; 
+  AC_MSG_CHECKING([for enabled ISO C99 support])
+  if test x"$ac_c99_math" = x"no" || test x"$ac_c99_wchar" = x"no" \
+	|| test x"$ac_c99_stdlib" = x"no"; then 
+    enable_c99=no; 
   fi; 
-  AC_MSG_RESULT($enable_long_long)
+  AC_MSG_RESULT($enable_c99)
 
   # Option parsed, now set things appropriately
-  if test x"$enable_long_long" = xyes; then
-    AC_DEFINE(_GLIBCPP_USE_LONG_LONG)
+  if test x"$enable_c99" = x"yes"; then
+    AC_DEFINE(_GLIBCPP_USE_C99)
   fi
 
-  # Reset CFLAGS
-  CFLAGS="$ac_save_CFLAGS"
+  AC_LANG_RESTORE
 ])
 
 
@@ -1752,3 +1800,4 @@ AC_DEFUN([AC_LIBTOOL_DLOPEN])
 AC_DEFUN([AC_PROG_LD])
 ])
 
+
diff --git a/libstdc++-v3/aclocal.m4 b/libstdc++-v3/aclocal.m4
index 74298f6bef0..0308344d947 100644
--- a/libstdc++-v3/aclocal.m4
+++ b/libstdc++-v3/aclocal.m4
@@ -467,9 +467,6 @@ dnl Check to see if the (stdlib function) argument passed is
 dnl 1) declared when using the c++ compiler
 dnl 2) has "C" linkage
 dnl
-dnl Define HAVE_STRTOLD if "strtold" is declared and links
-dnl Define HAVE_STRTOF if "strtof" is declared and links
-dnl
 dnl argument 1 is name of function to check
 dnl
 dnl ASSUMES argument is a math function with TWO parameters
@@ -612,8 +609,9 @@ dnl 1) make sure the name is declared when using the c++ compiler
 dnl 2) make sure the name has "C" linkage
 dnl This might seem like overkill but experience has shown that it's not...
 dnl
-dnl Define HAVE_STRTOF etc if "strtof" is found.
-dnl Define HAVE_STRTOLD etc if "strtold" is found.
+dnl Define HAVE_STRTOLD if "strtold" is declared and links
+dnl Define HAVE_STRTOF if "strtof" is declared and links
+dnl Define HAVE_DRAND48 if "drand48" is declared and links
 dnl
 dnl GLIBCPP_CHECK_STDLIB_SUPPORT
 AC_DEFUN(GLIBCPP_CHECK_STDLIB_SUPPORT, [
@@ -623,6 +621,7 @@ AC_DEFUN(GLIBCPP_CHECK_STDLIB_SUPPORT, [
 
   AC_CHECK_FUNCS(strtof)
   GLIBCPP_CHECK_STDLIB_DECL_AND_LINKAGE_2(strtold)
+  AC_CHECK_FUNCS(drand48)
 
   CXXFLAGS="$ac_save_CXXFLAGS"
 ])
@@ -1338,7 +1337,7 @@ dnl GLIBCPP_ENABLE_LONG_LONG
 dnl --enable-long-long defines _GLIBCPP_USE_LONG_LONG
 dnl --disable-long-long leaves _GLIBCPP_USE_LONG_LONG undefined
 dnl  +  Usage:  GLIBCPP_ENABLE_LONG_LONG[(DEFAULT)]
-dnl       Where DEFAULT is either `yes' or `no'.  If ommitted, it
+dnl       Where DEFAULT is either `yes' or `no'.  If omitted, it
 dnl       defaults to `no'.
 dnl  +  If 'long long' stuff is not available, ignores DEFAULT and sets `no'.
 dnl
@@ -1356,44 +1355,93 @@ AC_DEFUN(GLIBCPP_ENABLE_LONG_LONG, [dnl
    *)   AC_MSG_ERROR([Unknown argument to enable/disable long long]) ;;
    esac],
   enable_long_long=GLIBCPP_ENABLE_LONG_LONG_DEFAULT)dnl
+
+  # Option parsed, now set things appropriately
+  if test x"$enable_long_long" = xyes; then
+    AC_DEFINE(_GLIBCPP_USE_LONG_LONG)
+  fi
+])
+
  
-  # Allow use of os-dependent settings, so that macros that turn on
-  # C99 capabilities can be defined and used in a consistent way.
-  OS_INC_PATH=${srcdir}/$os_include_dir
-  ac_test_CFLAGS="${CFLAGS+set}"
-  ac_save_CFLAGS="$CFLAGS"
-  CFLAGS="-I$OS_INC_PATH"
+dnl
+dnl Check for ISO/IEC 9899:1999 "C99" support.
+dnl
+dnl GLIBCPP_ENABLE_C99
+dnl --enable-c99 defines _GLIBCPP_USE_C99
+dnl --disable-c99 leaves _GLIBCPP_USE_C99 undefined
+dnl  +  Usage:  GLIBCPP_ENABLE_C99[(DEFAULT)]
+dnl       Where DEFAULT is either `yes' or `no'.  If omitted, it
+dnl       defaults to `no'.
+dnl  +  If 'C99' stuff is not available, ignores DEFAULT and sets `no'.
+dnl
+dnl GLIBCPP_ENABLE_C99
+AC_DEFUN(GLIBCPP_ENABLE_C99, [dnl
+  define([GLIBCPP_ENABLE_C99_DEFAULT], ifelse($1, yes, yes, no))dnl
 
-  # Check for the existence of functions used if long long is enabled.
-  AC_CHECK_FUNC(strtoll,,ac_strtoll=no)
-  AC_CHECK_FUNC(strtoull,,ac_strtoull=no)
+  AC_ARG_ENABLE(c99,
+  changequote(<<, >>)dnl
+  <<--enable-c99      turns on 'ISO/IEC 9899:1999 support' [default=>>GLIBCPP_ENABLE_C99_DEFAULT],
+  changequote([, ])dnl
+  [case "$enableval" in
+   yes) enable_c99=yes ;;
+   no)  enable_c99=no ;;
+   *)   AC_MSG_ERROR([Unknown argument to enable/disable C99]) ;;
+   esac],
+  enable_c99=GLIBCPP_ENABLE_C99_DEFAULT)dnl
+ 
+  AC_LANG_SAVE
+  AC_LANG_CPLUSPLUS
 
-  # Check for lldiv_t, et. al.
+  # Check for the existence of <math.h> functions used if C99 is enabled.
+  AC_TRY_COMPILE([#include <math.h>],[fpclassify(0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isfinite(0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isinf(0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isnan(0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isnormal(0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[signbit(0.0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isgreater(0,0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isgreaterequal(0,0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isless(0,0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[islessequal(0,0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[islessgreater(0,0);],, [ac_c99_math=no])
+  AC_TRY_COMPILE([#include <math.h>],[isunordered(0,0);],, [ac_c99_math=no])
+
+  # Check for the existence in <stdlib.h> of lldiv_t, et. al.
+  AC_CHECK_FUNC(strtoll,,ac_c99_stdlib=no)
+  AC_CHECK_FUNC(strtoull,,ac_c99_stdlib=no)
+  AC_CHECK_FUNC(llabs,,ac_c99_stdlib=no)
+  AC_CHECK_FUNC(lldiv,,ac_c99_stdlib=no)
+  AC_CHECK_FUNC(atoll,,ac_c99_stdlib=no)
+	
   AC_MSG_CHECKING([for lldiv_t declaration])
-  AC_CACHE_VAL(glibcpp_lldiv_t_use, [
-  AC_TRY_COMPILE([#include <bits/os_defines.h>
-                  #include <stdlib.h>], 
+  AC_CACHE_VAL(ac_c99_lldiv_t, [
+  AC_TRY_COMPILE([#include <stdlib.h>], 
                    [ lldiv_t mydivt;], 
-                   [glibcpp_lldiv_t_use=yes], [glibcpp_lldiv_t_use=no])
+                   [ac_c99_lldiv_t=yes], [ac_c99_lldiv_t=no])
   ])
-  AC_MSG_RESULT($glibcpp_lldiv_t_use)
-  if test x$glibcpp_lldiv_t_use = x"yes"; then
-    AC_DEFINE(HAVE_LLDIV_T)
-  fi
+  AC_MSG_RESULT($ac_c99_lldiv_t)
+  if test x"$ac_c99_lldiv_t" = x"no"; then
+    ac_c99_stdlib=no; 
+  fi; 
+
+  # Check for the existence of <wchar.h> functions used if C99 is enabled.
+  AC_CHECK_FUNC(wcstold,,ac_c99_wchar=no)
+  AC_CHECK_FUNC(wcstoll,,ac_c99_wchar=no)
+  AC_CHECK_FUNC(wcstoull,,ac_c99_wchar=no)
 
-  AC_MSG_CHECKING([for enabled long long])
-  if test x"$ac_strtoll" = xno || test x"$ac_strtoull" = xno; then 
-    enable_long_long=no; 
+  AC_MSG_CHECKING([for enabled ISO C99 support])
+  if test x"$ac_c99_math" = x"no" || test x"$ac_c99_wchar" = x"no" \
+	|| test x"$ac_c99_stdlib" = x"no"; then 
+    enable_c99=no; 
   fi; 
-  AC_MSG_RESULT($enable_long_long)
+  AC_MSG_RESULT($enable_c99)
 
   # Option parsed, now set things appropriately
-  if test x"$enable_long_long" = xyes; then
-    AC_DEFINE(_GLIBCPP_USE_LONG_LONG)
+  if test x"$enable_c99" = x"yes"; then
+    AC_DEFINE(_GLIBCPP_USE_C99)
   fi
 
-  # Reset CFLAGS
-  CFLAGS="$ac_save_CFLAGS"
+  AC_LANG_RESTORE
 ])
 
 
@@ -1765,6 +1813,7 @@ AC_DEFUN([AC_PROG_LD])
 ])
 
 
+
 # Do all the work for Automake.  This macro actually does too much --
 # some checks are only needed if your package does certain things.
 # But this isn't really a big deal.
diff --git a/libstdc++-v3/config.h.in b/libstdc++-v3/config.h.in
index a16c1e1148c..51d0e74501b 100644
--- a/libstdc++-v3/config.h.in
+++ b/libstdc++-v3/config.h.in
@@ -15,22 +15,22 @@
 // Include support for 'long long' and 'unsigned long long'.
 #undef _GLIBCPP_USE_LONG_LONG
 
+// Define if code specialized for wchar_t should be used.
+#undef _GLIBCPP_USE_C99
+
 // Include support for shadow headers, ie --enable-cshadow-headers.
 #undef _GLIBCPP_USE_SHADOW_HEADERS
 
 // Define if code specialized for wchar_t should be used.
 #undef _GLIBCPP_USE_WCHAR_T
 
-// Define if lldiv_t exists in stdlib.h.
-#undef HAVE_LLDIV_T
-
-// Define if mbstate_t exists in wchar.h.  */
+// Define if mbstate_t exists in wchar.h.
 #undef HAVE_MBSTATE_T
 
-// Define if you have the modff function.  */
+// Define if you have the modff function.
 #undef HAVE_MODFF
 
-// Define if you have the modfl function.  */
+// Define if you have the modfl function.
 #undef HAVE_MODFL
 
 // Define if the compiler/host combination has __builtin_abs
@@ -303,6 +303,9 @@
 /* Define if you have the cosl function.  */
 #undef HAVE_COSL
 
+/* Define if you have the drand48 function.  */
+#undef HAVE_DRAND48
+
 /* Define if you have the expf function.  */
 #undef HAVE_EXPF
 
@@ -557,6 +560,15 @@
 // underscore, we'll handle those here. Must come after config.h.in.
 //
 
+#if defined(_GLIBCPP_USE_C99) && defined(__cplusplus)
+// Placeholder for declarations in c99 namespace.
+namespace std
+{
+  namespace c99 { }
+  using namespace c99;
+}
+#endif
+
 #if defined (HAVE__ISNAN) && ! defined (HAVE_ISNAN)
 # define HAVE_ISNAN 1
 # define isnan _isnan
diff --git a/libstdc++-v3/config/os/gnu-linux/bits/os_defines.h b/libstdc++-v3/config/os/gnu-linux/bits/os_defines.h
index 44c2965d465..72c22425534 100644
--- a/libstdc++-v3/config/os/gnu-linux/bits/os_defines.h
+++ b/libstdc++-v3/config/os/gnu-linux/bits/os_defines.h
@@ -1,6 +1,6 @@
 // Specific definitions for GNU/Linux  -*- C++ -*-
 
-// Copyright (C) 2000 Free Software Foundation, Inc.
+// Copyright (C) 2000, 2001 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -29,13 +29,7 @@
 
 
 #ifndef _GLIBCPP_OS_DEFINES
-#  define _GLIBCPP_OS_DEFINES
-
-// By defining this, all GNU extensions are enabled.
-#define _GNU_SOURCE 1
-
-// By defining this, all ISO C99 functionality is enabled.
-#define _ISOC99_SOURCE 1
+#define _GLIBCPP_OS_DEFINES 1
 
 // This keeps isanum, et al from being propagated as macros.
 #define __NO_CTYPE 1
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 97b402acf21..334a939fcfe 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -46,7 +46,9 @@ ac_help="$ac_help
 ac_help="$ac_help
   --enable-c-mbchar       enable multibyte (wide) characters [default=yes]"
 ac_help="$ac_help
-  --enable-long-long      turns on 'long long' [default=no]"
+  --enable-c99      turns on 'ISO/IEC 9899:1999 support' [default=yes]"
+ac_help="$ac_help
+  --enable-long-long      turns on 'long long' [default=yes]"
 ac_help="$ac_help
   --enable-cheaders construct "C" header files for
                            g++ [default=c_std]"
@@ -648,7 +650,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:652: checking host system type" >&5
+echo "configure:654: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -669,7 +671,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:673: checking target system type" >&5
+echo "configure:675: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -687,7 +689,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:691: checking build system type" >&5
+echo "configure:693: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -738,7 +740,7 @@ fi
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:742: checking for a BSD compatible install" >&5
+echo "configure:744: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -791,7 +793,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 echo $ac_n "checking whether build environment is sane""... $ac_c" 1>&6
-echo "configure:795: checking whether build environment is sane" >&5
+echo "configure:797: checking whether build environment is sane" >&5
 # Just in case
 sleep 1
 echo timestamp > conftestfile
@@ -848,7 +850,7 @@ test "$program_suffix" != NONE &&
 test "$program_transform_name" = "" && program_transform_name="s,x,x,"
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:852: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:854: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -881,12 +883,12 @@ else
 fi
 
 echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
-echo "configure:885: checking for Cygwin environment" >&5
+echo "configure:887: checking for Cygwin environment" >&5
 if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 890 "configure"
+#line 892 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -897,7 +899,7 @@ int main() {
 return __CYGWIN__;
 ; return 0; }
 EOF
-if { (eval echo configure:901: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:903: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cygwin=yes
 else
@@ -914,19 +916,19 @@ echo "$ac_t""$ac_cv_cygwin" 1>&6
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes
 echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:918: checking for mingw32 environment" >&5
+echo "configure:920: checking for mingw32 environment" >&5
 if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 923 "configure"
+#line 925 "configure"
 #include "confdefs.h"
 
 int main() {
 return __MINGW32__;
 ; return 0; }
 EOF
-if { (eval echo configure:930: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:932: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_mingw32=yes
 else
@@ -978,7 +980,7 @@ EOF
 
 missing_dir=`cd $ac_aux_dir && pwd`
 echo $ac_n "checking for working aclocal""... $ac_c" 1>&6
-echo "configure:982: checking for working aclocal" >&5
+echo "configure:984: checking for working aclocal" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -991,7 +993,7 @@ else
 fi
 
 echo $ac_n "checking for working autoconf""... $ac_c" 1>&6
-echo "configure:995: checking for working autoconf" >&5
+echo "configure:997: checking for working autoconf" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1004,7 +1006,7 @@ else
 fi
 
 echo $ac_n "checking for working automake""... $ac_c" 1>&6
-echo "configure:1008: checking for working automake" >&5
+echo "configure:1010: checking for working automake" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1017,7 +1019,7 @@ else
 fi
 
 echo $ac_n "checking for working autoheader""... $ac_c" 1>&6
-echo "configure:1021: checking for working autoheader" >&5
+echo "configure:1023: checking for working autoheader" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1030,7 +1032,7 @@ else
 fi
 
 echo $ac_n "checking for working makeinfo""... $ac_c" 1>&6
-echo "configure:1034: checking for working makeinfo" >&5
+echo "configure:1036: checking for working makeinfo" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1065,7 +1067,7 @@ fi
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1069: checking for $ac_word" >&5
+echo "configure:1071: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1095,7 +1097,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1099: checking for $ac_word" >&5
+echo "configure:1101: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1144,7 +1146,7 @@ fi
 fi
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1148: checking whether we are using GNU C" >&5
+echo "configure:1150: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1153,7 +1155,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1157: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1159: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1168,7 +1170,7 @@ if test $ac_cv_prog_gcc = yes; then
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1172: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1174: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1213,7 +1215,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1217: checking for $ac_word" >&5
+echo "configure:1219: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_glibcpp_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1247,7 +1249,7 @@ test -n "$glibcpp_CXX" || glibcpp_CXX="gcc"
 test -z "$glibcpp_CXX" && { echo "configure: error: no acceptable c++ found in \$PATH" 1>&2; exit 1; }
 
 echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:1251: checking whether we are using GNU C++" >&5
+echo "configure:1253: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1256,7 +1258,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1260: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1262: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
@@ -1271,7 +1273,7 @@ if test $ac_cv_prog_gxx = yes; then
   ac_save_CXXFLAGS="$CXXFLAGS"
   CXXFLAGS=
   echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:1275: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:1277: checking whether ${CXX-g++} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1302,7 +1304,7 @@ fi
   # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
 set dummy ${ac_tool_prefix}as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1306: checking for $ac_word" >&5
+echo "configure:1308: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1334,7 +1336,7 @@ fi
   # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1338: checking for $ac_word" >&5
+echo "configure:1340: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1366,7 +1368,7 @@ fi
   # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1370: checking for $ac_word" >&5
+echo "configure:1372: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1398,7 +1400,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1402: checking for $ac_word" >&5
+echo "configure:1404: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1433,7 +1435,7 @@ fi
   # Extract the first word of "${ac_tool_prefix}expect", so it can be a program name with args.
 set dummy ${ac_tool_prefix}expect; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1437: checking for $ac_word" >&5
+echo "configure:1439: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_glibcpp_expect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1465,7 +1467,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "expect", so it can be a program name with args.
 set dummy expect; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1469: checking for $ac_word" >&5
+echo "configure:1471: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_glibcpp_expect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1500,7 +1502,7 @@ fi
   # Extract the first word of "${ac_tool_prefix}runtest", so it can be a program name with args.
 set dummy ${ac_tool_prefix}runtest; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1504: checking for $ac_word" >&5
+echo "configure:1506: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_glibcpp_runtest'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1532,7 +1534,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "runtest", so it can be a program name with args.
 set dummy runtest; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1536: checking for $ac_word" >&5
+echo "configure:1538: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_glibcpp_runtest'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1578,7 +1580,7 @@ fi
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1582: checking for a BSD compatible install" >&5
+echo "configure:1584: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1632,7 +1634,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 
   echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:1636: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:1638: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -1666,7 +1668,7 @@ fi
     
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:1670: checking for executable suffix" >&5
+echo "configure:1672: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1676,7 +1678,7 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:1680: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:1682: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
       *.c | *.o | *.obj) ;;
@@ -1797,7 +1799,7 @@ ac_prog=ld
 if test "$GCC" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   echo $ac_n "checking for ld used by GCC""... $ac_c" 1>&6
-echo "configure:1801: checking for ld used by GCC" >&5
+echo "configure:1803: checking for ld used by GCC" >&5
   case $host in
   *-*-mingw*)
     # gcc leaves a trailing carriage return which upsets mingw
@@ -1827,10 +1829,10 @@ echo "configure:1801: checking for ld used by GCC" >&5
   esac
 elif test "$with_gnu_ld" = yes; then
   echo $ac_n "checking for GNU ld""... $ac_c" 1>&6
-echo "configure:1831: checking for GNU ld" >&5
+echo "configure:1833: checking for GNU ld" >&5
 else
   echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
-echo "configure:1834: checking for non-GNU ld" >&5
+echo "configure:1836: checking for non-GNU ld" >&5
 fi
 if eval "test \"`echo '$''{'lt_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1865,7 +1867,7 @@ else
 fi
 test -z "$LD" && { echo "configure: error: no acceptable ld found in \$PATH" 1>&2; exit 1; }
 echo $ac_n "checking if the linker ($LD) is GNU ld""... $ac_c" 1>&6
-echo "configure:1869: checking if the linker ($LD) is GNU ld" >&5
+echo "configure:1871: checking if the linker ($LD) is GNU ld" >&5
 if eval "test \"`echo '$''{'lt_cv_prog_gnu_ld'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1882,7 +1884,7 @@ with_gnu_ld=$lt_cv_prog_gnu_ld
 
 
 echo $ac_n "checking for $LD option to reload object files""... $ac_c" 1>&6
-echo "configure:1886: checking for $LD option to reload object files" >&5
+echo "configure:1888: checking for $LD option to reload object files" >&5
 if eval "test \"`echo '$''{'lt_cv_ld_reload_flag'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1894,7 +1896,7 @@ reload_flag=$lt_cv_ld_reload_flag
 test -n "$reload_flag" && reload_flag=" $reload_flag"
 
 echo $ac_n "checking for BSD-compatible nm""... $ac_c" 1>&6
-echo "configure:1898: checking for BSD-compatible nm" >&5
+echo "configure:1900: checking for BSD-compatible nm" >&5
 if eval "test \"`echo '$''{'lt_cv_path_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1932,7 +1934,7 @@ NM="$lt_cv_path_NM"
 echo "$ac_t""$NM" 1>&6
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1936: checking whether ln -s works" >&5
+echo "configure:1938: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1953,7 +1955,7 @@ else
 fi
 
 echo $ac_n "checking how to recognise dependant libraries""... $ac_c" 1>&6
-echo "configure:1957: checking how to recognise dependant libraries" >&5
+echo "configure:1959: checking how to recognise dependant libraries" >&5
 if eval "test \"`echo '$''{'lt_cv_deplibs_check_method'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2113,13 +2115,13 @@ file_magic_cmd=$lt_cv_file_magic_cmd
 deplibs_check_method=$lt_cv_deplibs_check_method
 
 echo $ac_n "checking for object suffix""... $ac_c" 1>&6
-echo "configure:2117: checking for object suffix" >&5
+echo "configure:2119: checking for object suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_objext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   rm -f conftest*
 echo 'int i = 1;' > conftest.$ac_ext
-if { (eval echo configure:2123: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2125: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   for ac_file in conftest.*; do
     case $ac_file in
     *.c) ;;
@@ -2143,7 +2145,7 @@ case $deplibs_check_method in
 file_magic*)
   if test "$file_magic_cmd" = '$MAGIC_CMD'; then
     echo $ac_n "checking for ${ac_tool_prefix}file""... $ac_c" 1>&6
-echo "configure:2147: checking for ${ac_tool_prefix}file" >&5
+echo "configure:2149: checking for ${ac_tool_prefix}file" >&5
 if eval "test \"`echo '$''{'lt_cv_path_MAGIC_CMD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2205,7 +2207,7 @@ fi
 if test -z "$lt_cv_path_MAGIC_CMD"; then
   if test -n "$ac_tool_prefix"; then
     echo $ac_n "checking for file""... $ac_c" 1>&6
-echo "configure:2209: checking for file" >&5
+echo "configure:2211: checking for file" >&5
 if eval "test \"`echo '$''{'lt_cv_path_MAGIC_CMD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2276,7 +2278,7 @@ esac
 # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2280: checking for $ac_word" >&5
+echo "configure:2282: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2308,7 +2310,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2312: checking for $ac_word" >&5
+echo "configure:2314: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2343,7 +2345,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
 set dummy ${ac_tool_prefix}strip; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2347: checking for $ac_word" >&5
+echo "configure:2349: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2375,7 +2377,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "strip", so it can be a program name with args.
 set dummy strip; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2379: checking for $ac_word" >&5
+echo "configure:2381: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2442,8 +2444,8 @@ test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
 case $host in
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 2446 "configure"' > conftest.$ac_ext
-  if { (eval echo configure:2447: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  echo '#line 2448 "configure"' > conftest.$ac_ext
+  if { (eval echo configure:2449: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
     case `/usr/bin/file conftest.$ac_objext` in
     *32-bit*)
       LD="${LD-ld} -32"
@@ -2464,7 +2466,7 @@ case $host in
   SAVE_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -belf"
   echo $ac_n "checking whether the C compiler needs -belf""... $ac_c" 1>&6
-echo "configure:2468: checking whether the C compiler needs -belf" >&5
+echo "configure:2470: checking whether the C compiler needs -belf" >&5
 if eval "test \"`echo '$''{'lt_cv_cc_needs_belf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2477,14 +2479,14 @@ ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$a
 cross_compiling=$ac_cv_prog_cc_cross
 
      cat > conftest.$ac_ext <<EOF
-#line 2481 "configure"
+#line 2483 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:2488: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2490: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   lt_cv_cc_needs_belf=yes
 else
@@ -2514,7 +2516,7 @@ echo "$ac_t""$lt_cv_cc_needs_belf" 1>&6
 esac
 
 echo $ac_n "checking how to run the C++ preprocessor""... $ac_c" 1>&6
-echo "configure:2518: checking how to run the C++ preprocessor" >&5
+echo "configure:2520: checking how to run the C++ preprocessor" >&5
 if test -z "$CXXCPP"; then
 if eval "test \"`echo '$''{'ac_cv_prog_CXXCPP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2527,12 +2529,12 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
   CXXCPP="${CXX-g++} -E"
   cat > conftest.$ac_ext <<EOF
-#line 2531 "configure"
+#line 2533 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2536: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2538: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2667,7 +2669,7 @@ exec 5>>./config.log
 
 
 echo $ac_n "checking for GNU make""... $ac_c" 1>&6
-echo "configure:2671: checking for GNU make" >&5
+echo "configure:2673: checking for GNU make" >&5
 if eval "test \"`echo '$''{'_cv_gnu_make_command'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2701,7 +2703,7 @@ echo "$ac_t""$_cv_gnu_make_command" 1>&6 ;
 
 if test ! -f stamp-sanity-compiler; then
   echo $ac_n "checking for g++ that will successfully compile libstdc++-v3""... $ac_c" 1>&6
-echo "configure:2705: checking for g++ that will successfully compile libstdc++-v3" >&5
+echo "configure:2707: checking for g++ that will successfully compile libstdc++-v3" >&5
   
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -2711,7 +2713,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
   cat > conftest.$ac_ext <<EOF
-#line 2715 "configure"
+#line 2717 "configure"
 #include "confdefs.h"
 
   #if __GNUC__ >= 3
@@ -2765,7 +2767,7 @@ esac
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:2769: checking how to run the C preprocessor" >&5
+echo "configure:2771: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -2780,13 +2782,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 2784 "configure"
+#line 2786 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2790: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2792: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2797,13 +2799,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 2801 "configure"
+#line 2803 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2807: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2809: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2814,13 +2816,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 2818 "configure"
+#line 2820 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2824: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2826: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2846,7 +2848,7 @@ echo "$ac_t""$CPP" 1>&6
 
 
   echo $ac_n "checking for cstdio to use""... $ac_c" 1>&6
-echo "configure:2850: checking for cstdio to use" >&5
+echo "configure:2852: checking for cstdio to use" >&5
   # Check whether --enable-cstdio or --disable-cstdio was given.
 if test "${enable_cstdio+set}" = set; then
   enableval="$enable_cstdio"
@@ -2870,17 +2872,17 @@ fi
       # see if we are on a system with libio native (ie, linux)
       ac_safe=`echo "libio.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for libio.h""... $ac_c" 1>&6
-echo "configure:2874: checking for libio.h" >&5
+echo "configure:2876: checking for libio.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2879 "configure"
+#line 2881 "configure"
 #include "confdefs.h"
 #include <libio.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2884: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2886: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2910,9 +2912,9 @@ fi
         case "$target" in
           *-*-linux*)
               echo $ac_n "checking for glibc version >= 2.2""... $ac_c" 1>&6
-echo "configure:2914: checking for glibc version >= 2.2" >&5
+echo "configure:2916: checking for glibc version >= 2.2" >&5
               cat > conftest.$ac_ext <<EOF
-#line 2916 "configure"
+#line 2918 "configure"
 #include "confdefs.h"
 
             #include <features.h>
@@ -3026,7 +3028,7 @@ fi
 
 
   echo $ac_n "checking for clocale to use""... $ac_c" 1>&6
-echo "configure:3030: checking for clocale to use" >&5
+echo "configure:3032: checking for clocale to use" >&5
   # Check whether --enable-clocale or --disable-clocale was given.
 if test "${enable_clocale+set}" = set; then
   enableval="$enable_clocale"
@@ -3073,38 +3075,249 @@ else
 fi
 
   
-  # Check whether --enable-long-long or --disable-long-long was given.
-if test "${enable_long_long+set}" = set; then
-  enableval="$enable_long_long"
+  # Check whether --enable-c99 or --disable-c99 was given.
+if test "${enable_c99+set}" = set; then
+  enableval="$enable_c99"
     case "$enableval" in
-   yes) enable_long_long=yes ;;
-   no)  enable_long_long=no ;;
-   *)   { echo "configure: error: Unknown argument to enable/disable long long" 1>&2; exit 1; } ;;
+   yes) enable_c99=yes ;;
+   no)  enable_c99=no ;;
+   *)   { echo "configure: error: Unknown argument to enable/disable C99" 1>&2; exit 1; } ;;
    esac
 else
-  enable_long_long=no
+  enable_c99=yes
 fi
  
-  # Allow use of os-dependent settings, so that macros that turn on
-  # C99 capabilities can be defined and used in a consistent way.
-  OS_INC_PATH=${srcdir}/$os_include_dir
-  ac_test_CFLAGS="${CFLAGS+set}"
-  ac_save_CFLAGS="$CFLAGS"
-  CFLAGS="-I$OS_INC_PATH"
+  
+  ac_ext=C
+# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cxx_cross
+
+
+  # Check for the existence of <math.h> functions used if C99 is enabled.
+  cat > conftest.$ac_ext <<EOF
+#line 3102 "configure"
+#include "confdefs.h"
+#include <math.h>
+int main() {
+fpclassify(0.0);
+; return 0; }
+EOF
+if { (eval echo configure:3109: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_c99_math=no
+fi
+rm -f conftest*
+  cat > conftest.$ac_ext <<EOF
+#line 3119 "configure"
+#include "confdefs.h"
+#include <math.h>
+int main() {
+isfinite(0.0);
+; return 0; }
+EOF
+if { (eval echo configure:3126: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_c99_math=no
+fi
+rm -f conftest*
+  cat > conftest.$ac_ext <<EOF
+#line 3136 "configure"
+#include "confdefs.h"
+#include <math.h>
+int main() {
+isinf(0.0);
+; return 0; }
+EOF
+if { (eval echo configure:3143: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_c99_math=no
+fi
+rm -f conftest*
+  cat > conftest.$ac_ext <<EOF
+#line 3153 "configure"
+#include "confdefs.h"
+#include <math.h>
+int main() {
+isnan(0.0);
+; return 0; }
+EOF
+if { (eval echo configure:3160: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_c99_math=no
+fi
+rm -f conftest*
+  cat > conftest.$ac_ext <<EOF
+#line 3170 "configure"
+#include "confdefs.h"
+#include <math.h>
+int main() {
+isnormal(0.0);
+; return 0; }
+EOF
+if { (eval echo configure:3177: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_c99_math=no
+fi
+rm -f conftest*
+  cat > conftest.$ac_ext <<EOF
+#line 3187 "configure"
+#include "confdefs.h"
+#include <math.h>
+int main() {
+signbit(0.0);
+; return 0; }
+EOF
+if { (eval echo configure:3194: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_c99_math=no
+fi
+rm -f conftest*
+  cat > conftest.$ac_ext <<EOF
+#line 3204 "configure"
+#include "confdefs.h"
+#include <math.h>
+int main() {
+isgreater(0,0);
+; return 0; }
+EOF
+if { (eval echo configure:3211: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_c99_math=no
+fi
+rm -f conftest*
+  cat > conftest.$ac_ext <<EOF
+#line 3221 "configure"
+#include "confdefs.h"
+#include <math.h>
+int main() {
+isgreaterequal(0,0);
+; return 0; }
+EOF
+if { (eval echo configure:3228: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_c99_math=no
+fi
+rm -f conftest*
+  cat > conftest.$ac_ext <<EOF
+#line 3238 "configure"
+#include "confdefs.h"
+#include <math.h>
+int main() {
+isless(0,0);
+; return 0; }
+EOF
+if { (eval echo configure:3245: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_c99_math=no
+fi
+rm -f conftest*
+  cat > conftest.$ac_ext <<EOF
+#line 3255 "configure"
+#include "confdefs.h"
+#include <math.h>
+int main() {
+islessequal(0,0);
+; return 0; }
+EOF
+if { (eval echo configure:3262: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_c99_math=no
+fi
+rm -f conftest*
+  cat > conftest.$ac_ext <<EOF
+#line 3272 "configure"
+#include "confdefs.h"
+#include <math.h>
+int main() {
+islessgreater(0,0);
+; return 0; }
+EOF
+if { (eval echo configure:3279: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_c99_math=no
+fi
+rm -f conftest*
+  cat > conftest.$ac_ext <<EOF
+#line 3289 "configure"
+#include "confdefs.h"
+#include <math.h>
+int main() {
+isunordered(0,0);
+; return 0; }
+EOF
+if { (eval echo configure:3296: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_c99_math=no
+fi
+rm -f conftest*
 
-  # Check for the existence of functions used if long long is enabled.
+  # Check for the existence in <stdlib.h> of lldiv_t, et. al.
   echo $ac_n "checking for strtoll""... $ac_c" 1>&6
-echo "configure:3098: checking for strtoll" >&5
+echo "configure:3308: checking for strtoll" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtoll'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3103 "configure"
+#line 3313 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtoll(); below.  */
 #include <assert.h>
 /* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char strtoll();
@@ -3122,7 +3335,7 @@ strtoll();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3126: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3339: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strtoll=yes"
 else
@@ -3139,21 +3352,24 @@ if eval "test \"`echo '$ac_cv_func_'strtoll`\" = yes"; then
   :
 else
   echo "$ac_t""no" 1>&6
-ac_strtoll=no
+ac_c99_stdlib=no
 fi
 
   echo $ac_n "checking for strtoull""... $ac_c" 1>&6
-echo "configure:3147: checking for strtoull" >&5
+echo "configure:3360: checking for strtoull" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtoull'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3152 "configure"
+#line 3365 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtoull(); below.  */
 #include <assert.h>
 /* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char strtoull();
@@ -3171,7 +3387,7 @@ strtoull();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3175: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3391: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strtoull=yes"
 else
@@ -3188,53 +3404,392 @@ if eval "test \"`echo '$ac_cv_func_'strtoull`\" = yes"; then
   :
 else
   echo "$ac_t""no" 1>&6
-ac_strtoull=no
+ac_c99_stdlib=no
 fi
 
+  echo $ac_n "checking for llabs""... $ac_c" 1>&6
+echo "configure:3412: checking for llabs" >&5
+if eval "test \"`echo '$''{'ac_cv_func_llabs'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3417 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char llabs(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char llabs();
+
+int main() {
 
-  # Check for lldiv_t, et. al.
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_llabs) || defined (__stub___llabs)
+choke me
+#else
+llabs();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:3443: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_func_llabs=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_llabs=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'llabs`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+ac_c99_stdlib=no
+fi
+
+  echo $ac_n "checking for lldiv""... $ac_c" 1>&6
+echo "configure:3464: checking for lldiv" >&5
+if eval "test \"`echo '$''{'ac_cv_func_lldiv'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3469 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char lldiv(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char lldiv();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_lldiv) || defined (__stub___lldiv)
+choke me
+#else
+lldiv();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:3495: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_func_lldiv=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_lldiv=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'lldiv`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+ac_c99_stdlib=no
+fi
+
+  echo $ac_n "checking for atoll""... $ac_c" 1>&6
+echo "configure:3516: checking for atoll" >&5
+if eval "test \"`echo '$''{'ac_cv_func_atoll'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3521 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char atoll(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char atoll();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_atoll) || defined (__stub___atoll)
+choke me
+#else
+atoll();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:3547: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_func_atoll=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_atoll=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'atoll`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+ac_c99_stdlib=no
+fi
+
+	
   echo $ac_n "checking for lldiv_t declaration""... $ac_c" 1>&6
-echo "configure:3198: checking for lldiv_t declaration" >&5
-  if eval "test \"`echo '$''{'glibcpp_lldiv_t_use'+set}'`\" = set"; then
+echo "configure:3569: checking for lldiv_t declaration" >&5
+  if eval "test \"`echo '$''{'ac_c99_lldiv_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
   cat > conftest.$ac_ext <<EOF
-#line 3204 "configure"
+#line 3575 "configure"
 #include "confdefs.h"
-#include <bits/os_defines.h>
-                  #include <stdlib.h>
+#include <stdlib.h>
 int main() {
  lldiv_t mydivt;
 ; return 0; }
 EOF
-if { (eval echo configure:3212: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3582: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_lldiv_t_use=yes
+  ac_c99_lldiv_t=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_lldiv_t_use=no
+  ac_c99_lldiv_t=no
 fi
 rm -f conftest*
   
 fi
 
-  echo "$ac_t""$glibcpp_lldiv_t_use" 1>&6
-  if test x$glibcpp_lldiv_t_use = x"yes"; then
+  echo "$ac_t""$ac_c99_lldiv_t" 1>&6
+  if test x"$ac_c99_lldiv_t" = x"no"; then
+    ac_c99_stdlib=no; 
+  fi; 
+
+  # Check for the existence of <wchar.h> functions used if C99 is enabled.
+  echo $ac_n "checking for wcstold""... $ac_c" 1>&6
+echo "configure:3602: checking for wcstold" >&5
+if eval "test \"`echo '$''{'ac_cv_func_wcstold'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3607 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char wcstold(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char wcstold();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_wcstold) || defined (__stub___wcstold)
+choke me
+#else
+wcstold();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:3633: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_func_wcstold=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_wcstold=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'wcstold`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+ac_c99_wchar=no
+fi
+
+  echo $ac_n "checking for wcstoll""... $ac_c" 1>&6
+echo "configure:3654: checking for wcstoll" >&5
+if eval "test \"`echo '$''{'ac_cv_func_wcstoll'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3659 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char wcstoll(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char wcstoll();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_wcstoll) || defined (__stub___wcstoll)
+choke me
+#else
+wcstoll();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:3685: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_func_wcstoll=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_wcstoll=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'wcstoll`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+ac_c99_wchar=no
+fi
+
+  echo $ac_n "checking for wcstoull""... $ac_c" 1>&6
+echo "configure:3706: checking for wcstoull" >&5
+if eval "test \"`echo '$''{'ac_cv_func_wcstoull'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3711 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char wcstoull(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char wcstoull();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_wcstoull) || defined (__stub___wcstoull)
+choke me
+#else
+wcstoull();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:3737: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_func_wcstoull=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_wcstoull=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'wcstoull`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+ac_c99_wchar=no
+fi
+
+
+  echo $ac_n "checking for enabled ISO C99 support""... $ac_c" 1>&6
+echo "configure:3759: checking for enabled ISO C99 support" >&5
+  if test x"$ac_c99_math" = x"no" || test x"$ac_c99_wchar" = x"no" \
+	|| test x"$ac_c99_stdlib" = x"no"; then 
+    enable_c99=no; 
+  fi; 
+  echo "$ac_t""$enable_c99" 1>&6
+
+  # Option parsed, now set things appropriately
+  if test x"$enable_c99" = x"yes"; then
     cat >> confdefs.h <<\EOF
-#define HAVE_LLDIV_T 1
+#define _GLIBCPP_USE_C99 1
 EOF
 
   fi
 
-  echo $ac_n "checking for enabled long long""... $ac_c" 1>&6
-echo "configure:3234: checking for enabled long long" >&5
-  if test x"$ac_strtoll" = xno || test x"$ac_strtoull" = xno; then 
-    enable_long_long=no; 
-  fi; 
-  echo "$ac_t""$enable_long_long" 1>&6
+  ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+
+  
+  # Check whether --enable-long-long or --disable-long-long was given.
+if test "${enable_long_long+set}" = set; then
+  enableval="$enable_long_long"
+    case "$enableval" in
+   yes) enable_long_long=yes ;;
+   no)  enable_long_long=no ;;
+   *)   { echo "configure: error: Unknown argument to enable/disable long long" 1>&2; exit 1; } ;;
+   esac
+else
+  enable_long_long=yes
+fi
 
   # Option parsed, now set things appropriately
   if test x"$enable_long_long" = xyes; then
@@ -3244,11 +3799,8 @@ EOF
 
   fi
 
-  # Reset CFLAGS
-  CFLAGS="$ac_save_CFLAGS"
-
 echo $ac_n "checking for c header strategy to use""... $ac_c" 1>&6
-echo "configure:3252: checking for c header strategy to use" >&5
+echo "configure:3804: checking for c header strategy to use" >&5
 # Check whether --enable-cheaders or --disable-cheaders was given.
 if test "${enable_cheaders+set}" = set; then
   enableval="$enable_cheaders"
@@ -3305,7 +3857,7 @@ fi
 
 
       echo $ac_n "checking for threads package to use""... $ac_c" 1>&6
-echo "configure:3309: checking for threads package to use" >&5
+echo "configure:3861: checking for threads package to use" >&5
   # Check whether --enable-threads or --disable-threads was given.
 if test "${enable_threads+set}" = set; then
   enableval="$enable_threads"
@@ -3398,7 +3950,7 @@ EXTRA_CXX_FLAGS="$enable_cxx_flags"
 
 
   echo $ac_n "checking for exception model to use""... $ac_c" 1>&6
-echo "configure:3402: checking for exception model to use" >&5
+echo "configure:3954: checking for exception model to use" >&5
   
   ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -3413,7 +3965,7 @@ if test "${enable_sjlj_exceptions+set}" = set; then
   :
 else
                        cat > conftest.$ac_ext << EOF
-#line 3417 "configure"
+#line 3969 "configure"
 struct S { ~S(); };
 void bar();
 void foo()
@@ -3424,7 +3976,7 @@ void foo()
 EOF
    old_CXXFLAGS="$CXXFLAGS"  
    CXXFLAGS=-S
-   if { (eval echo configure:3428: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+   if { (eval echo configure:3980: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
      if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
        enable_sjlj_exceptions=yes
      elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
@@ -3484,17 +4036,17 @@ if test -n "$with_cross_host"; then
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3488: checking for $ac_hdr" >&5
+echo "configure:4040: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3493 "configure"
+#line 4045 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3498: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4050: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3550,12 +4102,12 @@ done
     # used sections, first .eh_frame and now some of the glibc sections for
     # iconv). Bzzzzt. Thanks for playing, maybe next time.
     echo $ac_n "checking for ld that supports -Wl,--gc-sections""... $ac_c" 1>&6
-echo "configure:3554: checking for ld that supports -Wl,--gc-sections" >&5
+echo "configure:4106: checking for ld that supports -Wl,--gc-sections" >&5
     if test "$cross_compiling" = yes; then
   ac_sectionLDflags=yes
 else
   cat > conftest.$ac_ext <<EOF
-#line 3559 "configure"
+#line 4111 "configure"
 #include "confdefs.h"
 
      int main(void) 
@@ -3566,7 +4118,7 @@ else
      }
     
 EOF
-if { (eval echo configure:3570: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4122: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_sectionLDflags=yes
 else
@@ -3844,7 +4396,7 @@ EOF
 	fi
 	
     echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:3848: checking for main in -lm" >&5
+echo "configure:4400: checking for main in -lm" >&5
 ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3852,14 +4404,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3856 "configure"
+#line 4408 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3863: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4415: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3889,12 +4441,12 @@ fi
   for ac_func in nan hypot hypotf atan2f expf copysignf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3893: checking for $ac_func" >&5
+echo "configure:4445: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3898 "configure"
+#line 4450 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3917,7 +4469,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3921: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4473: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3951,12 +4503,12 @@ done
     for ac_func in hypotl signbitl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3955: checking for $ac_func" >&5
+echo "configure:4507: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3960 "configure"
+#line 4512 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3979,7 +4531,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3983: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4535: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4013,7 +4565,7 @@ done
   
 
   echo $ac_n "checking for GNU C++ __complex__ support""... $ac_c" 1>&6
-echo "configure:4017: checking for GNU C++ __complex__ support" >&5
+echo "configure:4569: checking for GNU C++ __complex__ support" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_complex'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4027,7 +4579,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 4031 "configure"
+#line 4583 "configure"
 #include "confdefs.h"
 struct dcomplex { __complex__ double x; }; \
                     dcomplex f(const dcomplex& x) { return dcomplex(x); }
@@ -4036,7 +4588,7 @@ int main() {
                      dcomplex x; f(x); 
 ; return 0; }
 EOF
-if { (eval echo configure:4040: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4592: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_complex=ok
 else
@@ -4066,7 +4618,7 @@ EOF
   fi
 
   echo $ac_n "checking for GNU C++ __complex__ float support""... $ac_c" 1>&6
-echo "configure:4070: checking for GNU C++ __complex__ float support" >&5
+echo "configure:4622: checking for GNU C++ __complex__ float support" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_float_complex'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4099,14 +4651,14 @@ cross_compiling=$ac_cv_prog_cxx_cross
       };
 EOB
     cat > conftest.$ac_ext <<EOF
-#line 4103 "configure"
+#line 4655 "configure"
 #include "confdefs.h"
 #include "conftest.h"
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:4110: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4662: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_float_complex=ok
 else
@@ -4138,16 +4690,16 @@ EOF
 	
 
       echo $ac_n "checking for mbstate_t""... $ac_c" 1>&6
-echo "configure:4142: checking for mbstate_t" >&5
+echo "configure:4694: checking for mbstate_t" >&5
   cat > conftest.$ac_ext <<EOF
-#line 4144 "configure"
+#line 4696 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 int main() {
 mbstate_t teststate;
 ; return 0; }
 EOF
-if { (eval echo configure:4151: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4703: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   have_mbstate_t=yes
 else
@@ -4169,17 +4721,17 @@ EOF
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4173: checking for $ac_hdr" >&5
+echo "configure:4725: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4178 "configure"
+#line 4730 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4183: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4735: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4208,17 +4760,17 @@ done
 
   ac_safe=`echo "wctype.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for wctype.h""... $ac_c" 1>&6
-echo "configure:4212: checking for wctype.h" >&5
+echo "configure:4764: checking for wctype.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4217 "configure"
+#line 4769 "configure"
 #include "confdefs.h"
 #include <wctype.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4222: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4774: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4245,16 +4797,16 @@ fi
      && test x"$enable_c_mbchar" != xno; then
       
             echo $ac_n "checking for WCHAR_MIN and WCHAR_MAX""... $ac_c" 1>&6
-echo "configure:4249: checking for WCHAR_MIN and WCHAR_MAX" >&5
+echo "configure:4801: checking for WCHAR_MIN and WCHAR_MAX" >&5
     cat > conftest.$ac_ext <<EOF
-#line 4251 "configure"
+#line 4803 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 int main() {
 int i = WCHAR_MIN; int j = WCHAR_MAX;
 ; return 0; }
 EOF
-if { (eval echo configure:4258: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4810: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   has_wchar_minmax=yes
 else
@@ -4267,9 +4819,9 @@ rm -f conftest*
     echo "$ac_t""$has_wchar_minmax" 1>&6
     
             echo $ac_n "checking for WEOF""... $ac_c" 1>&6
-echo "configure:4271: checking for WEOF" >&5
+echo "configure:4823: checking for WEOF" >&5
     cat > conftest.$ac_ext <<EOF
-#line 4273 "configure"
+#line 4825 "configure"
 #include "confdefs.h"
 
       #include <wchar.h>
@@ -4278,7 +4830,7 @@ int main() {
 wint_t i = WEOF;
 ; return 0; }
 EOF
-if { (eval echo configure:4282: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4834: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   has_weof=yes
 else
@@ -4294,12 +4846,12 @@ rm -f conftest*
     wcsrtombs mbsrtowcs
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4298: checking for $ac_func" >&5
+echo "configure:4850: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4303 "configure"
+#line 4855 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4322,7 +4874,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4326: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4878: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4349,7 +4901,7 @@ done
 
   
     echo $ac_n "checking for ISO C99 wchar_t support""... $ac_c" 1>&6
-echo "configure:4353: checking for ISO C99 wchar_t support" >&5
+echo "configure:4905: checking for ISO C99 wchar_t support" >&5
     if test x"$has_weof" = xyes && test x"$has_wchar_minmax" = xyes \
        && test x"$ac_wfuncs" = xyes; then
       ac_isoC99_wchar_t=yes
@@ -4360,17 +4912,17 @@ echo "configure:4353: checking for ISO C99 wchar_t support" >&5
   
             ac_safe=`echo "iconv.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for iconv.h""... $ac_c" 1>&6
-echo "configure:4364: checking for iconv.h" >&5
+echo "configure:4916: checking for iconv.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4369 "configure"
+#line 4921 "configure"
 #include "confdefs.h"
 #include <iconv.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4374: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4926: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4394,17 +4946,17 @@ fi
 
     ac_safe=`echo "langinfo.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for langinfo.h""... $ac_c" 1>&6
-echo "configure:4398: checking for langinfo.h" >&5
+echo "configure:4950: checking for langinfo.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4403 "configure"
+#line 4955 "configure"
 #include "confdefs.h"
 #include <langinfo.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4408: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4960: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4428,7 +4980,7 @@ fi
 
 
         echo $ac_n "checking for iconv in -liconv""... $ac_c" 1>&6
-echo "configure:4432: checking for iconv in -liconv" >&5
+echo "configure:4984: checking for iconv in -liconv" >&5
 ac_lib_var=`echo iconv'_'iconv | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4436,7 +4988,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-liconv  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4440 "configure"
+#line 4992 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4447,7 +4999,7 @@ int main() {
 iconv()
 ; return 0; }
 EOF
-if { (eval echo configure:4451: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5003: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4473,12 +5025,12 @@ fi
     for ac_func in iconv_open iconv_close iconv nl_langinfo
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4477: checking for $ac_func" >&5
+echo "configure:5029: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4482 "configure"
+#line 5034 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4501,7 +5053,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4505: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5057: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4531,7 +5083,7 @@ done
     LIBS="$ac_save_LIBS"
 
     echo $ac_n "checking for XPG2 wchar_t support""... $ac_c" 1>&6
-echo "configure:4535: checking for XPG2 wchar_t support" >&5
+echo "configure:5087: checking for XPG2 wchar_t support" >&5
     if test x"$ac_has_iconv_h" = xyes && test x"$ac_has_langinfo_h" = xyes \
        && test x"$ac_XPG2funcs" = xyes; then
       ac_XPG2_wchar_t=yes
@@ -4541,7 +5093,7 @@ echo "configure:4535: checking for XPG2 wchar_t support" >&5
     echo "$ac_t""$ac_XPG2_wchar_t" 1>&6
   
             echo $ac_n "checking for enabled wchar_t specializations""... $ac_c" 1>&6
-echo "configure:4545: checking for enabled wchar_t specializations" >&5
+echo "configure:5097: checking for enabled wchar_t specializations" >&5
     if test x"$ac_isoC99_wchar_t" = xyes \
        && test x"$ac_XPG2_wchar_t" = xyes; then
       cat >> confdefs.h <<\EOF
@@ -4625,17 +5177,17 @@ else
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4629: checking for $ac_hdr" >&5
+echo "configure:5181: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4634 "configure"
+#line 5186 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4639: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5191: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4686,10 +5238,10 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   # Check for -ffunction-sections -fdata-sections
   echo $ac_n "checking for g++ that supports -ffunction-sections -fdata-sections""... $ac_c" 1>&6
-echo "configure:4690: checking for g++ that supports -ffunction-sections -fdata-sections" >&5
+echo "configure:5242: checking for g++ that supports -ffunction-sections -fdata-sections" >&5
   CXXFLAGS='-Werror -ffunction-sections -fdata-sections'
   cat > conftest.$ac_ext <<EOF
-#line 4693 "configure"
+#line 5245 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -4697,7 +5249,7 @@ int foo;
   
 ; return 0; }
 EOF
-if { (eval echo configure:4701: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5253: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_fdsections=yes
 else
@@ -4754,12 +5306,12 @@ cross_compiling=$ac_cv_prog_cc_cross
     # used sections, first .eh_frame and now some of the glibc sections for
     # iconv). Bzzzzt. Thanks for playing, maybe next time.
     echo $ac_n "checking for ld that supports -Wl,--gc-sections""... $ac_c" 1>&6
-echo "configure:4758: checking for ld that supports -Wl,--gc-sections" >&5
+echo "configure:5310: checking for ld that supports -Wl,--gc-sections" >&5
     if test "$cross_compiling" = yes; then
   ac_sectionLDflags=yes
 else
   cat > conftest.$ac_ext <<EOF
-#line 4763 "configure"
+#line 5315 "configure"
 #include "confdefs.h"
 
      int main(void) 
@@ -4770,7 +5322,7 @@ else
      }
     
 EOF
-if { (eval echo configure:4774: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5326: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_sectionLDflags=yes
 else
@@ -4805,7 +5357,7 @@ fi
   
       
   echo $ac_n "checking for __builtin_abs declaration""... $ac_c" 1>&6
-echo "configure:4809: checking for __builtin_abs declaration" >&5
+echo "configure:5361: checking for __builtin_abs declaration" >&5
   if test x${glibcpp_cv_func___builtin_abs_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_abs_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4820,14 +5372,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 4824 "configure"
+#line 5376 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_abs(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4831: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5383: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_abs_use=yes
 else
@@ -4851,21 +5403,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_abs_use" 1>&6
   if test x$glibcpp_cv_func___builtin_abs_use = x"yes"; then
     echo $ac_n "checking for __builtin_abs linkage""... $ac_c" 1>&6
-echo "configure:4855: checking for __builtin_abs linkage" >&5
+echo "configure:5407: checking for __builtin_abs linkage" >&5
     if test x${glibcpp_cv_func___builtin_abs_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_abs_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 4862 "configure"
+#line 5414 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_abs(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4869: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5421: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_abs_link=yes
 else
@@ -4891,7 +5443,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_fabsf declaration""... $ac_c" 1>&6
-echo "configure:4895: checking for __builtin_fabsf declaration" >&5
+echo "configure:5447: checking for __builtin_fabsf declaration" >&5
   if test x${glibcpp_cv_func___builtin_fabsf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fabsf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4906,14 +5458,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 4910 "configure"
+#line 5462 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fabsf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4917: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5469: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fabsf_use=yes
 else
@@ -4937,21 +5489,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_fabsf_use" 1>&6
   if test x$glibcpp_cv_func___builtin_fabsf_use = x"yes"; then
     echo $ac_n "checking for __builtin_fabsf linkage""... $ac_c" 1>&6
-echo "configure:4941: checking for __builtin_fabsf linkage" >&5
+echo "configure:5493: checking for __builtin_fabsf linkage" >&5
     if test x${glibcpp_cv_func___builtin_fabsf_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fabsf_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 4948 "configure"
+#line 5500 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fabsf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4955: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5507: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fabsf_link=yes
 else
@@ -4977,7 +5529,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_fabs declaration""... $ac_c" 1>&6
-echo "configure:4981: checking for __builtin_fabs declaration" >&5
+echo "configure:5533: checking for __builtin_fabs declaration" >&5
   if test x${glibcpp_cv_func___builtin_fabs_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fabs_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4992,14 +5544,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 4996 "configure"
+#line 5548 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fabs(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5003: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5555: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fabs_use=yes
 else
@@ -5023,21 +5575,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_fabs_use" 1>&6
   if test x$glibcpp_cv_func___builtin_fabs_use = x"yes"; then
     echo $ac_n "checking for __builtin_fabs linkage""... $ac_c" 1>&6
-echo "configure:5027: checking for __builtin_fabs linkage" >&5
+echo "configure:5579: checking for __builtin_fabs linkage" >&5
     if test x${glibcpp_cv_func___builtin_fabs_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fabs_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 5034 "configure"
+#line 5586 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fabs(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5041: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5593: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fabs_link=yes
 else
@@ -5063,7 +5615,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_fabsl declaration""... $ac_c" 1>&6
-echo "configure:5067: checking for __builtin_fabsl declaration" >&5
+echo "configure:5619: checking for __builtin_fabsl declaration" >&5
   if test x${glibcpp_cv_func___builtin_fabsl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fabsl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5078,14 +5630,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 5082 "configure"
+#line 5634 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fabsl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5089: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5641: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fabsl_use=yes
 else
@@ -5109,21 +5661,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_fabsl_use" 1>&6
   if test x$glibcpp_cv_func___builtin_fabsl_use = x"yes"; then
     echo $ac_n "checking for __builtin_fabsl linkage""... $ac_c" 1>&6
-echo "configure:5113: checking for __builtin_fabsl linkage" >&5
+echo "configure:5665: checking for __builtin_fabsl linkage" >&5
     if test x${glibcpp_cv_func___builtin_fabsl_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fabsl_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 5120 "configure"
+#line 5672 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fabsl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5127: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5679: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fabsl_link=yes
 else
@@ -5149,7 +5701,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_labs declaration""... $ac_c" 1>&6
-echo "configure:5153: checking for __builtin_labs declaration" >&5
+echo "configure:5705: checking for __builtin_labs declaration" >&5
   if test x${glibcpp_cv_func___builtin_labs_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_labs_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5164,14 +5716,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 5168 "configure"
+#line 5720 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_labs(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5175: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5727: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_labs_use=yes
 else
@@ -5195,21 +5747,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_labs_use" 1>&6
   if test x$glibcpp_cv_func___builtin_labs_use = x"yes"; then
     echo $ac_n "checking for __builtin_labs linkage""... $ac_c" 1>&6
-echo "configure:5199: checking for __builtin_labs linkage" >&5
+echo "configure:5751: checking for __builtin_labs linkage" >&5
     if test x${glibcpp_cv_func___builtin_labs_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_labs_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 5206 "configure"
+#line 5758 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_labs(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5213: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5765: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_labs_link=yes
 else
@@ -5236,7 +5788,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_sqrtf declaration""... $ac_c" 1>&6
-echo "configure:5240: checking for __builtin_sqrtf declaration" >&5
+echo "configure:5792: checking for __builtin_sqrtf declaration" >&5
   if test x${glibcpp_cv_func___builtin_sqrtf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sqrtf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5251,14 +5803,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 5255 "configure"
+#line 5807 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sqrtf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5262: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5814: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sqrtf_use=yes
 else
@@ -5282,21 +5834,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_sqrtf_use" 1>&6
   if test x$glibcpp_cv_func___builtin_sqrtf_use = x"yes"; then
     echo $ac_n "checking for __builtin_sqrtf linkage""... $ac_c" 1>&6
-echo "configure:5286: checking for __builtin_sqrtf linkage" >&5
+echo "configure:5838: checking for __builtin_sqrtf linkage" >&5
     if test x${glibcpp_cv_func___builtin_sqrtf_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sqrtf_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 5293 "configure"
+#line 5845 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sqrtf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5300: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5852: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sqrtf_link=yes
 else
@@ -5322,7 +5874,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_fsqrt declaration""... $ac_c" 1>&6
-echo "configure:5326: checking for __builtin_fsqrt declaration" >&5
+echo "configure:5878: checking for __builtin_fsqrt declaration" >&5
   if test x${glibcpp_cv_func___builtin_fsqrt_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fsqrt_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5337,14 +5889,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 5341 "configure"
+#line 5893 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fsqrt(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5348: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5900: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fsqrt_use=yes
 else
@@ -5368,21 +5920,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_fsqrt_use" 1>&6
   if test x$glibcpp_cv_func___builtin_fsqrt_use = x"yes"; then
     echo $ac_n "checking for __builtin_fsqrt linkage""... $ac_c" 1>&6
-echo "configure:5372: checking for __builtin_fsqrt linkage" >&5
+echo "configure:5924: checking for __builtin_fsqrt linkage" >&5
     if test x${glibcpp_cv_func___builtin_fsqrt_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fsqrt_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 5379 "configure"
+#line 5931 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fsqrt(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5386: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5938: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fsqrt_link=yes
 else
@@ -5408,7 +5960,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_sqrtl declaration""... $ac_c" 1>&6
-echo "configure:5412: checking for __builtin_sqrtl declaration" >&5
+echo "configure:5964: checking for __builtin_sqrtl declaration" >&5
   if test x${glibcpp_cv_func___builtin_sqrtl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sqrtl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5423,14 +5975,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 5427 "configure"
+#line 5979 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sqrtl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5434: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5986: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sqrtl_use=yes
 else
@@ -5454,21 +6006,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_sqrtl_use" 1>&6
   if test x$glibcpp_cv_func___builtin_sqrtl_use = x"yes"; then
     echo $ac_n "checking for __builtin_sqrtl linkage""... $ac_c" 1>&6
-echo "configure:5458: checking for __builtin_sqrtl linkage" >&5
+echo "configure:6010: checking for __builtin_sqrtl linkage" >&5
     if test x${glibcpp_cv_func___builtin_sqrtl_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sqrtl_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 5465 "configure"
+#line 6017 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sqrtl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5472: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6024: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sqrtl_link=yes
 else
@@ -5495,7 +6047,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_sinf declaration""... $ac_c" 1>&6
-echo "configure:5499: checking for __builtin_sinf declaration" >&5
+echo "configure:6051: checking for __builtin_sinf declaration" >&5
   if test x${glibcpp_cv_func___builtin_sinf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sinf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5510,14 +6062,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 5514 "configure"
+#line 6066 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5521: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6073: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sinf_use=yes
 else
@@ -5541,21 +6093,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_sinf_use" 1>&6
   if test x$glibcpp_cv_func___builtin_sinf_use = x"yes"; then
     echo $ac_n "checking for __builtin_sinf linkage""... $ac_c" 1>&6
-echo "configure:5545: checking for __builtin_sinf linkage" >&5
+echo "configure:6097: checking for __builtin_sinf linkage" >&5
     if test x${glibcpp_cv_func___builtin_sinf_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sinf_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 5552 "configure"
+#line 6104 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5559: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6111: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sinf_link=yes
 else
@@ -5581,7 +6133,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_sin declaration""... $ac_c" 1>&6
-echo "configure:5585: checking for __builtin_sin declaration" >&5
+echo "configure:6137: checking for __builtin_sin declaration" >&5
   if test x${glibcpp_cv_func___builtin_sin_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sin_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5596,14 +6148,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 5600 "configure"
+#line 6152 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sin(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5607: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6159: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sin_use=yes
 else
@@ -5627,21 +6179,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_sin_use" 1>&6
   if test x$glibcpp_cv_func___builtin_sin_use = x"yes"; then
     echo $ac_n "checking for __builtin_sin linkage""... $ac_c" 1>&6
-echo "configure:5631: checking for __builtin_sin linkage" >&5
+echo "configure:6183: checking for __builtin_sin linkage" >&5
     if test x${glibcpp_cv_func___builtin_sin_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sin_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 5638 "configure"
+#line 6190 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sin(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5645: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6197: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sin_link=yes
 else
@@ -5667,7 +6219,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_sinl declaration""... $ac_c" 1>&6
-echo "configure:5671: checking for __builtin_sinl declaration" >&5
+echo "configure:6223: checking for __builtin_sinl declaration" >&5
   if test x${glibcpp_cv_func___builtin_sinl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sinl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5682,14 +6234,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 5686 "configure"
+#line 6238 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sinl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5693: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6245: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sinl_use=yes
 else
@@ -5713,21 +6265,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_sinl_use" 1>&6
   if test x$glibcpp_cv_func___builtin_sinl_use = x"yes"; then
     echo $ac_n "checking for __builtin_sinl linkage""... $ac_c" 1>&6
-echo "configure:5717: checking for __builtin_sinl linkage" >&5
+echo "configure:6269: checking for __builtin_sinl linkage" >&5
     if test x${glibcpp_cv_func___builtin_sinl_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sinl_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 5724 "configure"
+#line 6276 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sinl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5731: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6283: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sinl_link=yes
 else
@@ -5754,7 +6306,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_cosf declaration""... $ac_c" 1>&6
-echo "configure:5758: checking for __builtin_cosf declaration" >&5
+echo "configure:6310: checking for __builtin_cosf declaration" >&5
   if test x${glibcpp_cv_func___builtin_cosf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_cosf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5769,14 +6321,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 5773 "configure"
+#line 6325 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_cosf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5780: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6332: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_cosf_use=yes
 else
@@ -5800,21 +6352,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_cosf_use" 1>&6
   if test x$glibcpp_cv_func___builtin_cosf_use = x"yes"; then
     echo $ac_n "checking for __builtin_cosf linkage""... $ac_c" 1>&6
-echo "configure:5804: checking for __builtin_cosf linkage" >&5
+echo "configure:6356: checking for __builtin_cosf linkage" >&5
     if test x${glibcpp_cv_func___builtin_cosf_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_cosf_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 5811 "configure"
+#line 6363 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_cosf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5818: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6370: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_cosf_link=yes
 else
@@ -5840,7 +6392,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_cos declaration""... $ac_c" 1>&6
-echo "configure:5844: checking for __builtin_cos declaration" >&5
+echo "configure:6396: checking for __builtin_cos declaration" >&5
   if test x${glibcpp_cv_func___builtin_cos_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_cos_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5855,14 +6407,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 5859 "configure"
+#line 6411 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_cos(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5866: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6418: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_cos_use=yes
 else
@@ -5886,21 +6438,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_cos_use" 1>&6
   if test x$glibcpp_cv_func___builtin_cos_use = x"yes"; then
     echo $ac_n "checking for __builtin_cos linkage""... $ac_c" 1>&6
-echo "configure:5890: checking for __builtin_cos linkage" >&5
+echo "configure:6442: checking for __builtin_cos linkage" >&5
     if test x${glibcpp_cv_func___builtin_cos_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_cos_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 5897 "configure"
+#line 6449 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_cos(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5904: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6456: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_cos_link=yes
 else
@@ -5926,7 +6478,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_cosl declaration""... $ac_c" 1>&6
-echo "configure:5930: checking for __builtin_cosl declaration" >&5
+echo "configure:6482: checking for __builtin_cosl declaration" >&5
   if test x${glibcpp_cv_func___builtin_cosl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_cosl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5941,14 +6493,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 5945 "configure"
+#line 6497 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_cosl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5952: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6504: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_cosl_use=yes
 else
@@ -5972,21 +6524,21 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_cosl_use" 1>&6
   if test x$glibcpp_cv_func___builtin_cosl_use = x"yes"; then
     echo $ac_n "checking for __builtin_cosl linkage""... $ac_c" 1>&6
-echo "configure:5976: checking for __builtin_cosl linkage" >&5
+echo "configure:6528: checking for __builtin_cosl linkage" >&5
     if test x${glibcpp_cv_func___builtin_cosl_link+set} != xset; then
       if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_cosl_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
         cat > conftest.$ac_ext <<EOF
-#line 5983 "configure"
+#line 6535 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_cosl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5990: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6542: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_cosl_link=yes
 else
@@ -6077,7 +6629,7 @@ EOF
   CXXFLAGS='-fno-builtins -D_GNU_SOURCE'
 
     echo $ac_n "checking for sin in -lm""... $ac_c" 1>&6
-echo "configure:6081: checking for sin in -lm" >&5
+echo "configure:6633: checking for sin in -lm" >&5
 ac_lib_var=`echo m'_'sin | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6085,7 +6637,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6089 "configure"
+#line 6641 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -6096,7 +6648,7 @@ int main() {
 sin()
 ; return 0; }
 EOF
-if { (eval echo configure:6100: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6652: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6122,7 +6674,7 @@ fi
     
   
   echo $ac_n "checking for isinf declaration""... $ac_c" 1>&6
-echo "configure:6126: checking for isinf declaration" >&5
+echo "configure:6678: checking for isinf declaration" >&5
   if test x${glibcpp_cv_func_isinf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_isinf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6137,7 +6689,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6141 "configure"
+#line 6693 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -6148,7 +6700,7 @@ int main() {
  isinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6152: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6704: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_isinf_use=yes
 else
@@ -6175,12 +6727,12 @@ fi
     for ac_func in isinf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6179: checking for $ac_func" >&5
+echo "configure:6731: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6184 "configure"
+#line 6736 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6203,7 +6755,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6207: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6759: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6230,7 +6782,7 @@ done
   else
     
   echo $ac_n "checking for _isinf declaration""... $ac_c" 1>&6
-echo "configure:6234: checking for _isinf declaration" >&5
+echo "configure:6786: checking for _isinf declaration" >&5
   if test x${glibcpp_cv_func__isinf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__isinf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6245,7 +6797,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6249 "configure"
+#line 6801 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -6256,7 +6808,7 @@ int main() {
  _isinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6260: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6812: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__isinf_use=yes
 else
@@ -6283,12 +6835,12 @@ fi
       for ac_func in _isinf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6287: checking for $ac_func" >&5
+echo "configure:6839: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6292 "configure"
+#line 6844 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6311,7 +6863,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6315: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6867: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6341,7 +6893,7 @@ done
   
   
   echo $ac_n "checking for isnan declaration""... $ac_c" 1>&6
-echo "configure:6345: checking for isnan declaration" >&5
+echo "configure:6897: checking for isnan declaration" >&5
   if test x${glibcpp_cv_func_isnan_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_isnan_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6356,7 +6908,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6360 "configure"
+#line 6912 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -6367,7 +6919,7 @@ int main() {
  isnan(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6371: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6923: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_isnan_use=yes
 else
@@ -6394,12 +6946,12 @@ fi
     for ac_func in isnan
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6398: checking for $ac_func" >&5
+echo "configure:6950: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6403 "configure"
+#line 6955 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6422,7 +6974,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6426: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6978: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6449,7 +7001,7 @@ done
   else
     
   echo $ac_n "checking for _isnan declaration""... $ac_c" 1>&6
-echo "configure:6453: checking for _isnan declaration" >&5
+echo "configure:7005: checking for _isnan declaration" >&5
   if test x${glibcpp_cv_func__isnan_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__isnan_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6464,7 +7016,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6468 "configure"
+#line 7020 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -6475,7 +7027,7 @@ int main() {
  _isnan(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6479: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7031: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__isnan_use=yes
 else
@@ -6502,12 +7054,12 @@ fi
       for ac_func in _isnan
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6506: checking for $ac_func" >&5
+echo "configure:7058: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6511 "configure"
+#line 7063 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6530,7 +7082,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6534: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7086: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6560,7 +7112,7 @@ done
   
   
   echo $ac_n "checking for finite declaration""... $ac_c" 1>&6
-echo "configure:6564: checking for finite declaration" >&5
+echo "configure:7116: checking for finite declaration" >&5
   if test x${glibcpp_cv_func_finite_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_finite_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6575,7 +7127,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6579 "configure"
+#line 7131 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -6586,7 +7138,7 @@ int main() {
  finite(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6590: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7142: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_finite_use=yes
 else
@@ -6613,12 +7165,12 @@ fi
     for ac_func in finite
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6617: checking for $ac_func" >&5
+echo "configure:7169: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6622 "configure"
+#line 7174 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6641,7 +7193,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6645: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7197: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6668,7 +7220,7 @@ done
   else
     
   echo $ac_n "checking for _finite declaration""... $ac_c" 1>&6
-echo "configure:6672: checking for _finite declaration" >&5
+echo "configure:7224: checking for _finite declaration" >&5
   if test x${glibcpp_cv_func__finite_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__finite_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6683,7 +7235,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6687 "configure"
+#line 7239 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -6694,7 +7246,7 @@ int main() {
  _finite(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6698: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7250: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__finite_use=yes
 else
@@ -6721,12 +7273,12 @@ fi
       for ac_func in _finite
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6725: checking for $ac_func" >&5
+echo "configure:7277: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6730 "configure"
+#line 7282 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6749,7 +7301,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6753: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7305: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6779,7 +7331,7 @@ done
   
   
   echo $ac_n "checking for copysign declaration""... $ac_c" 1>&6
-echo "configure:6783: checking for copysign declaration" >&5
+echo "configure:7335: checking for copysign declaration" >&5
   if test x${glibcpp_cv_func_copysign_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_copysign_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6794,14 +7346,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6798 "configure"
+#line 7350 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  copysign(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:6805: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7357: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_copysign_use=yes
 else
@@ -6828,12 +7380,12 @@ fi
     for ac_func in copysign
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6832: checking for $ac_func" >&5
+echo "configure:7384: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6837 "configure"
+#line 7389 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6856,7 +7408,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6860: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7412: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6883,7 +7435,7 @@ done
   else
     
   echo $ac_n "checking for _copysign declaration""... $ac_c" 1>&6
-echo "configure:6887: checking for _copysign declaration" >&5
+echo "configure:7439: checking for _copysign declaration" >&5
   if test x${glibcpp_cv_func__copysign_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__copysign_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6898,14 +7450,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6902 "configure"
+#line 7454 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _copysign(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:6909: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7461: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__copysign_use=yes
 else
@@ -6932,12 +7484,12 @@ fi
       for ac_func in _copysign
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6936: checking for $ac_func" >&5
+echo "configure:7488: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6941 "configure"
+#line 7493 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6960,7 +7512,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6964: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7516: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6990,7 +7542,7 @@ done
   
   
   echo $ac_n "checking for sincos declaration""... $ac_c" 1>&6
-echo "configure:6994: checking for sincos declaration" >&5
+echo "configure:7546: checking for sincos declaration" >&5
   if test x${glibcpp_cv_func_sincos_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_sincos_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7005,14 +7557,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7009 "configure"
+#line 7561 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  sincos(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:7016: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7568: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sincos_use=yes
 else
@@ -7039,12 +7591,12 @@ fi
     for ac_func in sincos
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7043: checking for $ac_func" >&5
+echo "configure:7595: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7048 "configure"
+#line 7600 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7067,7 +7619,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7071: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7623: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7094,7 +7646,7 @@ done
   else
     
   echo $ac_n "checking for _sincos declaration""... $ac_c" 1>&6
-echo "configure:7098: checking for _sincos declaration" >&5
+echo "configure:7650: checking for _sincos declaration" >&5
   if test x${glibcpp_cv_func__sincos_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__sincos_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7109,14 +7661,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7113 "configure"
+#line 7665 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _sincos(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:7120: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7672: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sincos_use=yes
 else
@@ -7143,12 +7695,12 @@ fi
       for ac_func in _sincos
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7147: checking for $ac_func" >&5
+echo "configure:7699: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7152 "configure"
+#line 7704 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7171,7 +7723,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7175: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7727: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7201,7 +7753,7 @@ done
   
   
   echo $ac_n "checking for fpclass declaration""... $ac_c" 1>&6
-echo "configure:7205: checking for fpclass declaration" >&5
+echo "configure:7757: checking for fpclass declaration" >&5
   if test x${glibcpp_cv_func_fpclass_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_fpclass_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7216,7 +7768,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7220 "configure"
+#line 7772 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -7227,7 +7779,7 @@ int main() {
  fpclass(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7231: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7783: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_fpclass_use=yes
 else
@@ -7254,12 +7806,12 @@ fi
     for ac_func in fpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7258: checking for $ac_func" >&5
+echo "configure:7810: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7263 "configure"
+#line 7815 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7282,7 +7834,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7286: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7838: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7309,7 +7861,7 @@ done
   else
     
   echo $ac_n "checking for _fpclass declaration""... $ac_c" 1>&6
-echo "configure:7313: checking for _fpclass declaration" >&5
+echo "configure:7865: checking for _fpclass declaration" >&5
   if test x${glibcpp_cv_func__fpclass_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__fpclass_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7324,7 +7876,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7328 "configure"
+#line 7880 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -7335,7 +7887,7 @@ int main() {
  _fpclass(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7339: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7891: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__fpclass_use=yes
 else
@@ -7362,12 +7914,12 @@ fi
       for ac_func in _fpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7366: checking for $ac_func" >&5
+echo "configure:7918: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7371 "configure"
+#line 7923 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7390,7 +7942,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7394: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7946: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7420,7 +7972,7 @@ done
   
   
   echo $ac_n "checking for qfpclass declaration""... $ac_c" 1>&6
-echo "configure:7424: checking for qfpclass declaration" >&5
+echo "configure:7976: checking for qfpclass declaration" >&5
   if test x${glibcpp_cv_func_qfpclass_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_qfpclass_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7435,7 +7987,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7439 "configure"
+#line 7991 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -7446,7 +7998,7 @@ int main() {
  qfpclass(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7450: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8002: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_qfpclass_use=yes
 else
@@ -7473,12 +8025,12 @@ fi
     for ac_func in qfpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7477: checking for $ac_func" >&5
+echo "configure:8029: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7482 "configure"
+#line 8034 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7501,7 +8053,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7505: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8057: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7528,7 +8080,7 @@ done
   else
     
   echo $ac_n "checking for _qfpclass declaration""... $ac_c" 1>&6
-echo "configure:7532: checking for _qfpclass declaration" >&5
+echo "configure:8084: checking for _qfpclass declaration" >&5
   if test x${glibcpp_cv_func__qfpclass_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__qfpclass_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7543,7 +8095,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7547 "configure"
+#line 8099 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -7554,7 +8106,7 @@ int main() {
  _qfpclass(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7558: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8110: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__qfpclass_use=yes
 else
@@ -7581,12 +8133,12 @@ fi
       for ac_func in _qfpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7585: checking for $ac_func" >&5
+echo "configure:8137: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7590 "configure"
+#line 8142 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7609,7 +8161,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7613: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8165: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7639,7 +8191,7 @@ done
 
     
   echo $ac_n "checking for float trig functions""... $ac_c" 1>&6
-echo "configure:7643: checking for float trig functions" >&5
+echo "configure:8195: checking for float trig functions" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_float_trig_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7653,7 +8205,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 7657 "configure"
+#line 8209 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
@@ -7662,7 +8214,7 @@ int main() {
                                           coshf sinhf tanhf; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:7666: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8218: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_float_trig_use=yes
 else
@@ -7688,12 +8240,12 @@ fi
                                           coshf sinhf tanhf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7692: checking for $ac_func" >&5
+echo "configure:8244: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7697 "configure"
+#line 8249 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7716,7 +8268,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7720: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8272: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7744,7 +8296,7 @@ done
 
   
   echo $ac_n "checking for float round functions""... $ac_c" 1>&6
-echo "configure:7748: checking for float round functions" >&5
+echo "configure:8300: checking for float round functions" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_float_round_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7758,14 +8310,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 7762 "configure"
+#line 8314 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  `for x in ceilf floorf; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:7769: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8321: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_float_round_use=yes
 else
@@ -7789,12 +8341,12 @@ fi
     for ac_func in ceilf floorf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7793: checking for $ac_func" >&5
+echo "configure:8345: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7798 "configure"
+#line 8350 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7817,7 +8369,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7821: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8373: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7846,7 +8398,7 @@ done
   
   
   echo $ac_n "checking for isnanf declaration""... $ac_c" 1>&6
-echo "configure:7850: checking for isnanf declaration" >&5
+echo "configure:8402: checking for isnanf declaration" >&5
   if test x${glibcpp_cv_func_isnanf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_isnanf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7861,7 +8413,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7865 "configure"
+#line 8417 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -7872,7 +8424,7 @@ int main() {
  isnanf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7876: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8428: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_isnanf_use=yes
 else
@@ -7899,12 +8451,12 @@ fi
     for ac_func in isnanf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7903: checking for $ac_func" >&5
+echo "configure:8455: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7908 "configure"
+#line 8460 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7927,7 +8479,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7931: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8483: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7954,7 +8506,7 @@ done
   else
     
   echo $ac_n "checking for _isnanf declaration""... $ac_c" 1>&6
-echo "configure:7958: checking for _isnanf declaration" >&5
+echo "configure:8510: checking for _isnanf declaration" >&5
   if test x${glibcpp_cv_func__isnanf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__isnanf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7969,7 +8521,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7973 "configure"
+#line 8525 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -7980,7 +8532,7 @@ int main() {
  _isnanf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7984: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8536: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__isnanf_use=yes
 else
@@ -8007,12 +8559,12 @@ fi
       for ac_func in _isnanf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8011: checking for $ac_func" >&5
+echo "configure:8563: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8016 "configure"
+#line 8568 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8035,7 +8587,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8039: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8591: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8065,7 +8617,7 @@ done
   
   
   echo $ac_n "checking for isinff declaration""... $ac_c" 1>&6
-echo "configure:8069: checking for isinff declaration" >&5
+echo "configure:8621: checking for isinff declaration" >&5
   if test x${glibcpp_cv_func_isinff_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_isinff_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8080,7 +8632,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8084 "configure"
+#line 8636 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -8091,7 +8643,7 @@ int main() {
  isinff(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8095: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8647: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_isinff_use=yes
 else
@@ -8118,12 +8670,12 @@ fi
     for ac_func in isinff
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8122: checking for $ac_func" >&5
+echo "configure:8674: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8127 "configure"
+#line 8679 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8146,7 +8698,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8150: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8702: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8173,7 +8725,7 @@ done
   else
     
   echo $ac_n "checking for _isinff declaration""... $ac_c" 1>&6
-echo "configure:8177: checking for _isinff declaration" >&5
+echo "configure:8729: checking for _isinff declaration" >&5
   if test x${glibcpp_cv_func__isinff_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__isinff_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8188,7 +8740,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8192 "configure"
+#line 8744 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -8199,7 +8751,7 @@ int main() {
  _isinff(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8203: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8755: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__isinff_use=yes
 else
@@ -8226,12 +8778,12 @@ fi
       for ac_func in _isinff
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8230: checking for $ac_func" >&5
+echo "configure:8782: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8235 "configure"
+#line 8787 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8254,7 +8806,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8258: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8810: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8284,7 +8836,7 @@ done
   
   
   echo $ac_n "checking for fabsf declaration""... $ac_c" 1>&6
-echo "configure:8288: checking for fabsf declaration" >&5
+echo "configure:8840: checking for fabsf declaration" >&5
   if test x${glibcpp_cv_func_fabsf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_fabsf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8299,7 +8851,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8303 "configure"
+#line 8855 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -8310,7 +8862,7 @@ int main() {
  fabsf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8314: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8866: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_fabsf_use=yes
 else
@@ -8337,12 +8889,12 @@ fi
     for ac_func in fabsf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8341: checking for $ac_func" >&5
+echo "configure:8893: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8346 "configure"
+#line 8898 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8365,7 +8917,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8369: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8921: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8392,7 +8944,7 @@ done
   else
     
   echo $ac_n "checking for _fabsf declaration""... $ac_c" 1>&6
-echo "configure:8396: checking for _fabsf declaration" >&5
+echo "configure:8948: checking for _fabsf declaration" >&5
   if test x${glibcpp_cv_func__fabsf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__fabsf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8407,7 +8959,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8411 "configure"
+#line 8963 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -8418,7 +8970,7 @@ int main() {
  _fabsf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8422: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8974: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__fabsf_use=yes
 else
@@ -8445,12 +8997,12 @@ fi
       for ac_func in _fabsf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8449: checking for $ac_func" >&5
+echo "configure:9001: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8454 "configure"
+#line 9006 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8473,7 +9025,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8477: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9029: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8503,7 +9055,7 @@ done
   
   
   echo $ac_n "checking for fmodf declaration""... $ac_c" 1>&6
-echo "configure:8507: checking for fmodf declaration" >&5
+echo "configure:9059: checking for fmodf declaration" >&5
   if test x${glibcpp_cv_func_fmodf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_fmodf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8518,14 +9070,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8522 "configure"
+#line 9074 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  fmodf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8529: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9081: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_fmodf_use=yes
 else
@@ -8552,12 +9104,12 @@ fi
     for ac_func in fmodf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8556: checking for $ac_func" >&5
+echo "configure:9108: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8561 "configure"
+#line 9113 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8580,7 +9132,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8584: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9136: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8607,7 +9159,7 @@ done
   else
     
   echo $ac_n "checking for _fmodf declaration""... $ac_c" 1>&6
-echo "configure:8611: checking for _fmodf declaration" >&5
+echo "configure:9163: checking for _fmodf declaration" >&5
   if test x${glibcpp_cv_func__fmodf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__fmodf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8622,14 +9174,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8626 "configure"
+#line 9178 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _fmodf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8633: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9185: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__fmodf_use=yes
 else
@@ -8656,12 +9208,12 @@ fi
       for ac_func in _fmodf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8660: checking for $ac_func" >&5
+echo "configure:9212: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8665 "configure"
+#line 9217 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8684,7 +9236,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8688: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9240: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8714,7 +9266,7 @@ done
   
   
   echo $ac_n "checking for frexpf declaration""... $ac_c" 1>&6
-echo "configure:8718: checking for frexpf declaration" >&5
+echo "configure:9270: checking for frexpf declaration" >&5
   if test x${glibcpp_cv_func_frexpf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_frexpf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8729,14 +9281,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8733 "configure"
+#line 9285 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  frexpf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8740: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9292: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_frexpf_use=yes
 else
@@ -8763,12 +9315,12 @@ fi
     for ac_func in frexpf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8767: checking for $ac_func" >&5
+echo "configure:9319: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8772 "configure"
+#line 9324 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8791,7 +9343,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8795: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9347: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8818,7 +9370,7 @@ done
   else
     
   echo $ac_n "checking for _frexpf declaration""... $ac_c" 1>&6
-echo "configure:8822: checking for _frexpf declaration" >&5
+echo "configure:9374: checking for _frexpf declaration" >&5
   if test x${glibcpp_cv_func__frexpf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__frexpf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8833,14 +9385,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8837 "configure"
+#line 9389 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _frexpf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8844: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9396: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__frexpf_use=yes
 else
@@ -8867,12 +9419,12 @@ fi
       for ac_func in _frexpf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8871: checking for $ac_func" >&5
+echo "configure:9423: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8876 "configure"
+#line 9428 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8895,7 +9447,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8899: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9451: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8925,7 +9477,7 @@ done
   
   
   echo $ac_n "checking for ldexpf declaration""... $ac_c" 1>&6
-echo "configure:8929: checking for ldexpf declaration" >&5
+echo "configure:9481: checking for ldexpf declaration" >&5
   if test x${glibcpp_cv_func_ldexpf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_ldexpf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8940,14 +9492,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8944 "configure"
+#line 9496 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  ldexpf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8951: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9503: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_ldexpf_use=yes
 else
@@ -8974,12 +9526,12 @@ fi
     for ac_func in ldexpf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8978: checking for $ac_func" >&5
+echo "configure:9530: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8983 "configure"
+#line 9535 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9002,7 +9554,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9006: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9558: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9029,7 +9581,7 @@ done
   else
     
   echo $ac_n "checking for _ldexpf declaration""... $ac_c" 1>&6
-echo "configure:9033: checking for _ldexpf declaration" >&5
+echo "configure:9585: checking for _ldexpf declaration" >&5
   if test x${glibcpp_cv_func__ldexpf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__ldexpf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -9044,14 +9596,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9048 "configure"
+#line 9600 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _ldexpf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:9055: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9607: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__ldexpf_use=yes
 else
@@ -9078,12 +9630,12 @@ fi
       for ac_func in _ldexpf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9082: checking for $ac_func" >&5
+echo "configure:9634: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9087 "configure"
+#line 9639 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9106,7 +9658,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9110: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9662: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9136,7 +9688,7 @@ done
   
   
   echo $ac_n "checking for logf declaration""... $ac_c" 1>&6
-echo "configure:9140: checking for logf declaration" >&5
+echo "configure:9692: checking for logf declaration" >&5
   if test x${glibcpp_cv_func_logf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_logf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -9151,7 +9703,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9155 "configure"
+#line 9707 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -9162,7 +9714,7 @@ int main() {
  logf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9166: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9718: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_logf_use=yes
 else
@@ -9189,12 +9741,12 @@ fi
     for ac_func in logf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9193: checking for $ac_func" >&5
+echo "configure:9745: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9198 "configure"
+#line 9750 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9217,7 +9769,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9221: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9773: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9244,7 +9796,7 @@ done
   else
     
   echo $ac_n "checking for _logf declaration""... $ac_c" 1>&6
-echo "configure:9248: checking for _logf declaration" >&5
+echo "configure:9800: checking for _logf declaration" >&5
   if test x${glibcpp_cv_func__logf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__logf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -9259,7 +9811,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9263 "configure"
+#line 9815 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -9270,7 +9822,7 @@ int main() {
  _logf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9274: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9826: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__logf_use=yes
 else
@@ -9297,12 +9849,12 @@ fi
       for ac_func in _logf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9301: checking for $ac_func" >&5
+echo "configure:9853: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9306 "configure"
+#line 9858 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9325,7 +9877,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9329: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9881: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9355,7 +9907,7 @@ done
   
   
   echo $ac_n "checking for log10f declaration""... $ac_c" 1>&6
-echo "configure:9359: checking for log10f declaration" >&5
+echo "configure:9911: checking for log10f declaration" >&5
   if test x${glibcpp_cv_func_log10f_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_log10f_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -9370,7 +9922,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9374 "configure"
+#line 9926 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -9381,7 +9933,7 @@ int main() {
  log10f(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9385: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9937: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_log10f_use=yes
 else
@@ -9408,12 +9960,12 @@ fi
     for ac_func in log10f
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9412: checking for $ac_func" >&5
+echo "configure:9964: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9417 "configure"
+#line 9969 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9436,7 +9988,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9440: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9992: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9463,7 +10015,7 @@ done
   else
     
   echo $ac_n "checking for _log10f declaration""... $ac_c" 1>&6
-echo "configure:9467: checking for _log10f declaration" >&5
+echo "configure:10019: checking for _log10f declaration" >&5
   if test x${glibcpp_cv_func__log10f_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__log10f_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -9478,7 +10030,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9482 "configure"
+#line 10034 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -9489,7 +10041,7 @@ int main() {
  _log10f(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9493: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10045: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__log10f_use=yes
 else
@@ -9516,12 +10068,12 @@ fi
       for ac_func in _log10f
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9520: checking for $ac_func" >&5
+echo "configure:10072: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9525 "configure"
+#line 10077 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9544,7 +10096,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9548: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10100: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9574,7 +10126,7 @@ done
   
   
   echo $ac_n "checking for modff declaration""... $ac_c" 1>&6
-echo "configure:9578: checking for modff declaration" >&5
+echo "configure:10130: checking for modff declaration" >&5
   if test x${glibcpp_cv_func_modff_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_modff_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -9589,14 +10141,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9593 "configure"
+#line 10145 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  modff(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:9600: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10152: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_modff_use=yes
 else
@@ -9623,12 +10175,12 @@ fi
     for ac_func in modff
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9627: checking for $ac_func" >&5
+echo "configure:10179: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9632 "configure"
+#line 10184 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9651,7 +10203,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9655: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10207: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9678,7 +10230,7 @@ done
   else
     
   echo $ac_n "checking for _modff declaration""... $ac_c" 1>&6
-echo "configure:9682: checking for _modff declaration" >&5
+echo "configure:10234: checking for _modff declaration" >&5
   if test x${glibcpp_cv_func__modff_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__modff_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -9693,14 +10245,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9697 "configure"
+#line 10249 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _modff(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:9704: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10256: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__modff_use=yes
 else
@@ -9727,12 +10279,12 @@ fi
       for ac_func in _modff
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9731: checking for $ac_func" >&5
+echo "configure:10283: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9736 "configure"
+#line 10288 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9755,7 +10307,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9759: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10311: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9785,7 +10337,7 @@ done
   
   
   echo $ac_n "checking for powf declaration""... $ac_c" 1>&6
-echo "configure:9789: checking for powf declaration" >&5
+echo "configure:10341: checking for powf declaration" >&5
   if test x${glibcpp_cv_func_powf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_powf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -9800,14 +10352,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9804 "configure"
+#line 10356 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  powf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:9811: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10363: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_powf_use=yes
 else
@@ -9834,12 +10386,12 @@ fi
     for ac_func in powf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9838: checking for $ac_func" >&5
+echo "configure:10390: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9843 "configure"
+#line 10395 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9862,7 +10414,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9866: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10418: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9889,7 +10441,7 @@ done
   else
     
   echo $ac_n "checking for _powf declaration""... $ac_c" 1>&6
-echo "configure:9893: checking for _powf declaration" >&5
+echo "configure:10445: checking for _powf declaration" >&5
   if test x${glibcpp_cv_func__powf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__powf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -9904,14 +10456,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9908 "configure"
+#line 10460 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _powf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:9915: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10467: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__powf_use=yes
 else
@@ -9938,12 +10490,12 @@ fi
       for ac_func in _powf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9942: checking for $ac_func" >&5
+echo "configure:10494: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9947 "configure"
+#line 10499 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9966,7 +10518,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9970: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10522: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9996,7 +10548,7 @@ done
   
   
   echo $ac_n "checking for sqrtf declaration""... $ac_c" 1>&6
-echo "configure:10000: checking for sqrtf declaration" >&5
+echo "configure:10552: checking for sqrtf declaration" >&5
   if test x${glibcpp_cv_func_sqrtf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_sqrtf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -10011,7 +10563,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10015 "configure"
+#line 10567 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -10022,7 +10574,7 @@ int main() {
  sqrtf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10026: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10578: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sqrtf_use=yes
 else
@@ -10049,12 +10601,12 @@ fi
     for ac_func in sqrtf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10053: checking for $ac_func" >&5
+echo "configure:10605: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10058 "configure"
+#line 10610 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10077,7 +10629,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10081: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10633: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10104,7 +10656,7 @@ done
   else
     
   echo $ac_n "checking for _sqrtf declaration""... $ac_c" 1>&6
-echo "configure:10108: checking for _sqrtf declaration" >&5
+echo "configure:10660: checking for _sqrtf declaration" >&5
   if test x${glibcpp_cv_func__sqrtf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__sqrtf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -10119,7 +10671,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10123 "configure"
+#line 10675 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -10130,7 +10682,7 @@ int main() {
  _sqrtf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10134: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10686: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sqrtf_use=yes
 else
@@ -10157,12 +10709,12 @@ fi
       for ac_func in _sqrtf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10161: checking for $ac_func" >&5
+echo "configure:10713: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10166 "configure"
+#line 10718 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10185,7 +10737,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10189: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10741: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10215,7 +10767,7 @@ done
   
   
   echo $ac_n "checking for sincosf declaration""... $ac_c" 1>&6
-echo "configure:10219: checking for sincosf declaration" >&5
+echo "configure:10771: checking for sincosf declaration" >&5
   if test x${glibcpp_cv_func_sincosf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_sincosf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -10230,14 +10782,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10234 "configure"
+#line 10786 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  sincosf(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:10241: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10793: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sincosf_use=yes
 else
@@ -10264,12 +10816,12 @@ fi
     for ac_func in sincosf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10268: checking for $ac_func" >&5
+echo "configure:10820: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10273 "configure"
+#line 10825 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10292,7 +10844,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10296: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10848: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10319,7 +10871,7 @@ done
   else
     
   echo $ac_n "checking for _sincosf declaration""... $ac_c" 1>&6
-echo "configure:10323: checking for _sincosf declaration" >&5
+echo "configure:10875: checking for _sincosf declaration" >&5
   if test x${glibcpp_cv_func__sincosf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__sincosf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -10334,14 +10886,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10338 "configure"
+#line 10890 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _sincosf(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:10345: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10897: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sincosf_use=yes
 else
@@ -10368,12 +10920,12 @@ fi
       for ac_func in _sincosf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10372: checking for $ac_func" >&5
+echo "configure:10924: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10377 "configure"
+#line 10929 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10396,7 +10948,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10400: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10952: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10426,7 +10978,7 @@ done
   
   
   echo $ac_n "checking for finitef declaration""... $ac_c" 1>&6
-echo "configure:10430: checking for finitef declaration" >&5
+echo "configure:10982: checking for finitef declaration" >&5
   if test x${glibcpp_cv_func_finitef_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_finitef_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -10441,7 +10993,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10445 "configure"
+#line 10997 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -10452,7 +11004,7 @@ int main() {
  finitef(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10456: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11008: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_finitef_use=yes
 else
@@ -10479,12 +11031,12 @@ fi
     for ac_func in finitef
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10483: checking for $ac_func" >&5
+echo "configure:11035: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10488 "configure"
+#line 11040 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10507,7 +11059,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10511: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11063: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10534,7 +11086,7 @@ done
   else
     
   echo $ac_n "checking for _finitef declaration""... $ac_c" 1>&6
-echo "configure:10538: checking for _finitef declaration" >&5
+echo "configure:11090: checking for _finitef declaration" >&5
   if test x${glibcpp_cv_func__finitef_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__finitef_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -10549,7 +11101,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10553 "configure"
+#line 11105 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -10560,7 +11112,7 @@ int main() {
  _finitef(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10564: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11116: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__finitef_use=yes
 else
@@ -10587,12 +11139,12 @@ fi
       for ac_func in _finitef
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10591: checking for $ac_func" >&5
+echo "configure:11143: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10596 "configure"
+#line 11148 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10615,7 +11167,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10619: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11171: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10645,7 +11197,7 @@ done
 
     
   echo $ac_n "checking for long double trig functions""... $ac_c" 1>&6
-echo "configure:10649: checking for long double trig functions" >&5
+echo "configure:11201: checking for long double trig functions" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_long_double_trig_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10659,7 +11211,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 10663 "configure"
+#line 11215 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
@@ -10668,7 +11220,7 @@ int main() {
                                           coshl sinhl tanhl; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:10672: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11224: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_long_double_trig_use=yes
 else
@@ -10694,12 +11246,12 @@ fi
                                           coshl sinhl tanhl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10698: checking for $ac_func" >&5
+echo "configure:11250: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10703 "configure"
+#line 11255 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10722,7 +11274,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10726: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11278: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10750,7 +11302,7 @@ done
 
   
   echo $ac_n "checking for long double round functions""... $ac_c" 1>&6
-echo "configure:10754: checking for long double round functions" >&5
+echo "configure:11306: checking for long double round functions" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_long_double_round_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10764,14 +11316,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 10768 "configure"
+#line 11320 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  `for x in ceill floorl; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:10775: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11327: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_long_double_round_use=yes
 else
@@ -10795,12 +11347,12 @@ fi
     for ac_func in ceill floorl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10799: checking for $ac_func" >&5
+echo "configure:11351: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10804 "configure"
+#line 11356 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10823,7 +11375,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10827: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11379: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10852,7 +11404,7 @@ done
   
   
   echo $ac_n "checking for isnanl declaration""... $ac_c" 1>&6
-echo "configure:10856: checking for isnanl declaration" >&5
+echo "configure:11408: checking for isnanl declaration" >&5
   if test x${glibcpp_cv_func_isnanl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_isnanl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -10867,7 +11419,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10871 "configure"
+#line 11423 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -10878,7 +11430,7 @@ int main() {
  isnanl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10882: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11434: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_isnanl_use=yes
 else
@@ -10905,12 +11457,12 @@ fi
     for ac_func in isnanl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10909: checking for $ac_func" >&5
+echo "configure:11461: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10914 "configure"
+#line 11466 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10933,7 +11485,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10937: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11489: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10960,7 +11512,7 @@ done
   else
     
   echo $ac_n "checking for _isnanl declaration""... $ac_c" 1>&6
-echo "configure:10964: checking for _isnanl declaration" >&5
+echo "configure:11516: checking for _isnanl declaration" >&5
   if test x${glibcpp_cv_func__isnanl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__isnanl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -10975,7 +11527,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10979 "configure"
+#line 11531 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -10986,7 +11538,7 @@ int main() {
  _isnanl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10990: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11542: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__isnanl_use=yes
 else
@@ -11013,12 +11565,12 @@ fi
       for ac_func in _isnanl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11017: checking for $ac_func" >&5
+echo "configure:11569: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11022 "configure"
+#line 11574 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11041,7 +11593,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11045: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11597: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11071,7 +11623,7 @@ done
   
   
   echo $ac_n "checking for isinfl declaration""... $ac_c" 1>&6
-echo "configure:11075: checking for isinfl declaration" >&5
+echo "configure:11627: checking for isinfl declaration" >&5
   if test x${glibcpp_cv_func_isinfl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_isinfl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -11086,7 +11638,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11090 "configure"
+#line 11642 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -11097,7 +11649,7 @@ int main() {
  isinfl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11101: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11653: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_isinfl_use=yes
 else
@@ -11124,12 +11676,12 @@ fi
     for ac_func in isinfl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11128: checking for $ac_func" >&5
+echo "configure:11680: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11133 "configure"
+#line 11685 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11152,7 +11704,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11156: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11708: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11179,7 +11731,7 @@ done
   else
     
   echo $ac_n "checking for _isinfl declaration""... $ac_c" 1>&6
-echo "configure:11183: checking for _isinfl declaration" >&5
+echo "configure:11735: checking for _isinfl declaration" >&5
   if test x${glibcpp_cv_func__isinfl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__isinfl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -11194,7 +11746,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11198 "configure"
+#line 11750 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -11205,7 +11757,7 @@ int main() {
  _isinfl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11209: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11761: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__isinfl_use=yes
 else
@@ -11232,12 +11784,12 @@ fi
       for ac_func in _isinfl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11236: checking for $ac_func" >&5
+echo "configure:11788: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11241 "configure"
+#line 11793 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11260,7 +11812,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11264: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11816: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11290,7 +11842,7 @@ done
   
   
   echo $ac_n "checking for copysignl declaration""... $ac_c" 1>&6
-echo "configure:11294: checking for copysignl declaration" >&5
+echo "configure:11846: checking for copysignl declaration" >&5
   if test x${glibcpp_cv_func_copysignl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_copysignl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -11305,14 +11857,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11309 "configure"
+#line 11861 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  copysignl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:11316: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11868: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_copysignl_use=yes
 else
@@ -11339,12 +11891,12 @@ fi
     for ac_func in copysignl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11343: checking for $ac_func" >&5
+echo "configure:11895: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11348 "configure"
+#line 11900 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11367,7 +11919,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11371: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11923: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11394,7 +11946,7 @@ done
   else
     
   echo $ac_n "checking for _copysignl declaration""... $ac_c" 1>&6
-echo "configure:11398: checking for _copysignl declaration" >&5
+echo "configure:11950: checking for _copysignl declaration" >&5
   if test x${glibcpp_cv_func__copysignl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__copysignl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -11409,14 +11961,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11413 "configure"
+#line 11965 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _copysignl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:11420: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11972: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__copysignl_use=yes
 else
@@ -11443,12 +11995,12 @@ fi
       for ac_func in _copysignl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11447: checking for $ac_func" >&5
+echo "configure:11999: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11452 "configure"
+#line 12004 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11471,7 +12023,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11475: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12027: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11501,7 +12053,7 @@ done
   
   
   echo $ac_n "checking for atan2l declaration""... $ac_c" 1>&6
-echo "configure:11505: checking for atan2l declaration" >&5
+echo "configure:12057: checking for atan2l declaration" >&5
   if test x${glibcpp_cv_func_atan2l_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_atan2l_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -11516,14 +12068,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11520 "configure"
+#line 12072 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  atan2l(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:11527: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12079: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_atan2l_use=yes
 else
@@ -11550,12 +12102,12 @@ fi
     for ac_func in atan2l
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11554: checking for $ac_func" >&5
+echo "configure:12106: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11559 "configure"
+#line 12111 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11578,7 +12130,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11582: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12134: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11605,7 +12157,7 @@ done
   else
     
   echo $ac_n "checking for _atan2l declaration""... $ac_c" 1>&6
-echo "configure:11609: checking for _atan2l declaration" >&5
+echo "configure:12161: checking for _atan2l declaration" >&5
   if test x${glibcpp_cv_func__atan2l_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__atan2l_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -11620,14 +12172,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11624 "configure"
+#line 12176 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _atan2l(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:11631: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12183: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__atan2l_use=yes
 else
@@ -11654,12 +12206,12 @@ fi
       for ac_func in _atan2l
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11658: checking for $ac_func" >&5
+echo "configure:12210: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11663 "configure"
+#line 12215 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11682,7 +12234,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11686: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12238: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11712,7 +12264,7 @@ done
   
   
   echo $ac_n "checking for expl declaration""... $ac_c" 1>&6
-echo "configure:11716: checking for expl declaration" >&5
+echo "configure:12268: checking for expl declaration" >&5
   if test x${glibcpp_cv_func_expl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_expl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -11727,7 +12279,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11731 "configure"
+#line 12283 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -11738,7 +12290,7 @@ int main() {
  expl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11742: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12294: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_expl_use=yes
 else
@@ -11765,12 +12317,12 @@ fi
     for ac_func in expl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11769: checking for $ac_func" >&5
+echo "configure:12321: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11774 "configure"
+#line 12326 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11793,7 +12345,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11797: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12349: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11820,7 +12372,7 @@ done
   else
     
   echo $ac_n "checking for _expl declaration""... $ac_c" 1>&6
-echo "configure:11824: checking for _expl declaration" >&5
+echo "configure:12376: checking for _expl declaration" >&5
   if test x${glibcpp_cv_func__expl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__expl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -11835,7 +12387,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11839 "configure"
+#line 12391 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -11846,7 +12398,7 @@ int main() {
  _expl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11850: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12402: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__expl_use=yes
 else
@@ -11873,12 +12425,12 @@ fi
       for ac_func in _expl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11877: checking for $ac_func" >&5
+echo "configure:12429: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11882 "configure"
+#line 12434 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11901,7 +12453,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11905: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12457: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11931,7 +12483,7 @@ done
   
   
   echo $ac_n "checking for fabsl declaration""... $ac_c" 1>&6
-echo "configure:11935: checking for fabsl declaration" >&5
+echo "configure:12487: checking for fabsl declaration" >&5
   if test x${glibcpp_cv_func_fabsl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_fabsl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -11946,7 +12498,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11950 "configure"
+#line 12502 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -11957,7 +12509,7 @@ int main() {
  fabsl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11961: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12513: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_fabsl_use=yes
 else
@@ -11984,12 +12536,12 @@ fi
     for ac_func in fabsl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11988: checking for $ac_func" >&5
+echo "configure:12540: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11993 "configure"
+#line 12545 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12012,7 +12564,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12016: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12568: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12039,7 +12591,7 @@ done
   else
     
   echo $ac_n "checking for _fabsl declaration""... $ac_c" 1>&6
-echo "configure:12043: checking for _fabsl declaration" >&5
+echo "configure:12595: checking for _fabsl declaration" >&5
   if test x${glibcpp_cv_func__fabsl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__fabsl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -12054,7 +12606,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12058 "configure"
+#line 12610 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -12065,7 +12617,7 @@ int main() {
  _fabsl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12069: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12621: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__fabsl_use=yes
 else
@@ -12092,12 +12644,12 @@ fi
       for ac_func in _fabsl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12096: checking for $ac_func" >&5
+echo "configure:12648: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12101 "configure"
+#line 12653 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12120,7 +12672,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12124: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12676: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12150,7 +12702,7 @@ done
   
   
   echo $ac_n "checking for fmodl declaration""... $ac_c" 1>&6
-echo "configure:12154: checking for fmodl declaration" >&5
+echo "configure:12706: checking for fmodl declaration" >&5
   if test x${glibcpp_cv_func_fmodl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_fmodl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -12165,14 +12717,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12169 "configure"
+#line 12721 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  fmodl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12176: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12728: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_fmodl_use=yes
 else
@@ -12199,12 +12751,12 @@ fi
     for ac_func in fmodl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12203: checking for $ac_func" >&5
+echo "configure:12755: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12208 "configure"
+#line 12760 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12227,7 +12779,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12231: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12783: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12254,7 +12806,7 @@ done
   else
     
   echo $ac_n "checking for _fmodl declaration""... $ac_c" 1>&6
-echo "configure:12258: checking for _fmodl declaration" >&5
+echo "configure:12810: checking for _fmodl declaration" >&5
   if test x${glibcpp_cv_func__fmodl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__fmodl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -12269,14 +12821,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12273 "configure"
+#line 12825 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _fmodl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12280: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12832: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__fmodl_use=yes
 else
@@ -12303,12 +12855,12 @@ fi
       for ac_func in _fmodl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12307: checking for $ac_func" >&5
+echo "configure:12859: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12312 "configure"
+#line 12864 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12331,7 +12883,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12335: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12887: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12361,7 +12913,7 @@ done
   
   
   echo $ac_n "checking for frexpl declaration""... $ac_c" 1>&6
-echo "configure:12365: checking for frexpl declaration" >&5
+echo "configure:12917: checking for frexpl declaration" >&5
   if test x${glibcpp_cv_func_frexpl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_frexpl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -12376,14 +12928,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12380 "configure"
+#line 12932 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  frexpl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12387: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12939: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_frexpl_use=yes
 else
@@ -12410,12 +12962,12 @@ fi
     for ac_func in frexpl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12414: checking for $ac_func" >&5
+echo "configure:12966: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12419 "configure"
+#line 12971 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12438,7 +12990,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12442: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12994: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12465,7 +13017,7 @@ done
   else
     
   echo $ac_n "checking for _frexpl declaration""... $ac_c" 1>&6
-echo "configure:12469: checking for _frexpl declaration" >&5
+echo "configure:13021: checking for _frexpl declaration" >&5
   if test x${glibcpp_cv_func__frexpl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__frexpl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -12480,14 +13032,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12484 "configure"
+#line 13036 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _frexpl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12491: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13043: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__frexpl_use=yes
 else
@@ -12514,12 +13066,12 @@ fi
       for ac_func in _frexpl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12518: checking for $ac_func" >&5
+echo "configure:13070: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12523 "configure"
+#line 13075 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12542,7 +13094,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12546: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13098: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12572,7 +13124,7 @@ done
   
   
   echo $ac_n "checking for ldexpl declaration""... $ac_c" 1>&6
-echo "configure:12576: checking for ldexpl declaration" >&5
+echo "configure:13128: checking for ldexpl declaration" >&5
   if test x${glibcpp_cv_func_ldexpl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_ldexpl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -12587,14 +13139,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12591 "configure"
+#line 13143 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  ldexpl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12598: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13150: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_ldexpl_use=yes
 else
@@ -12621,12 +13173,12 @@ fi
     for ac_func in ldexpl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12625: checking for $ac_func" >&5
+echo "configure:13177: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12630 "configure"
+#line 13182 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12649,7 +13201,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12653: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13205: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12676,7 +13228,7 @@ done
   else
     
   echo $ac_n "checking for _ldexpl declaration""... $ac_c" 1>&6
-echo "configure:12680: checking for _ldexpl declaration" >&5
+echo "configure:13232: checking for _ldexpl declaration" >&5
   if test x${glibcpp_cv_func__ldexpl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__ldexpl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -12691,14 +13243,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12695 "configure"
+#line 13247 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _ldexpl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12702: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13254: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__ldexpl_use=yes
 else
@@ -12725,12 +13277,12 @@ fi
       for ac_func in _ldexpl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12729: checking for $ac_func" >&5
+echo "configure:13281: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12734 "configure"
+#line 13286 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12753,7 +13305,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12757: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13309: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12783,7 +13335,7 @@ done
   
   
   echo $ac_n "checking for logl declaration""... $ac_c" 1>&6
-echo "configure:12787: checking for logl declaration" >&5
+echo "configure:13339: checking for logl declaration" >&5
   if test x${glibcpp_cv_func_logl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_logl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -12798,7 +13350,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12802 "configure"
+#line 13354 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -12809,7 +13361,7 @@ int main() {
  logl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12813: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13365: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_logl_use=yes
 else
@@ -12836,12 +13388,12 @@ fi
     for ac_func in logl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12840: checking for $ac_func" >&5
+echo "configure:13392: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12845 "configure"
+#line 13397 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12864,7 +13416,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12868: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13420: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12891,7 +13443,7 @@ done
   else
     
   echo $ac_n "checking for _logl declaration""... $ac_c" 1>&6
-echo "configure:12895: checking for _logl declaration" >&5
+echo "configure:13447: checking for _logl declaration" >&5
   if test x${glibcpp_cv_func__logl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__logl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -12906,7 +13458,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12910 "configure"
+#line 13462 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -12917,7 +13469,7 @@ int main() {
  _logl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12921: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13473: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__logl_use=yes
 else
@@ -12944,12 +13496,12 @@ fi
       for ac_func in _logl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12948: checking for $ac_func" >&5
+echo "configure:13500: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12953 "configure"
+#line 13505 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12972,7 +13524,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12976: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13528: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13002,7 +13554,7 @@ done
   
   
   echo $ac_n "checking for log10l declaration""... $ac_c" 1>&6
-echo "configure:13006: checking for log10l declaration" >&5
+echo "configure:13558: checking for log10l declaration" >&5
   if test x${glibcpp_cv_func_log10l_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_log10l_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -13017,7 +13569,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13021 "configure"
+#line 13573 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -13028,7 +13580,7 @@ int main() {
  log10l(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13032: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13584: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_log10l_use=yes
 else
@@ -13055,12 +13607,12 @@ fi
     for ac_func in log10l
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13059: checking for $ac_func" >&5
+echo "configure:13611: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13064 "configure"
+#line 13616 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13083,7 +13635,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13087: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13639: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13110,7 +13662,7 @@ done
   else
     
   echo $ac_n "checking for _log10l declaration""... $ac_c" 1>&6
-echo "configure:13114: checking for _log10l declaration" >&5
+echo "configure:13666: checking for _log10l declaration" >&5
   if test x${glibcpp_cv_func__log10l_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__log10l_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -13125,7 +13677,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13129 "configure"
+#line 13681 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -13136,7 +13688,7 @@ int main() {
  _log10l(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13140: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13692: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__log10l_use=yes
 else
@@ -13163,12 +13715,12 @@ fi
       for ac_func in _log10l
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13167: checking for $ac_func" >&5
+echo "configure:13719: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13172 "configure"
+#line 13724 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13191,7 +13743,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13195: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13747: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13221,7 +13773,7 @@ done
   
   
   echo $ac_n "checking for modfl declaration""... $ac_c" 1>&6
-echo "configure:13225: checking for modfl declaration" >&5
+echo "configure:13777: checking for modfl declaration" >&5
   if test x${glibcpp_cv_func_modfl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_modfl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -13236,14 +13788,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13240 "configure"
+#line 13792 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  modfl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13247: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13799: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_modfl_use=yes
 else
@@ -13270,12 +13822,12 @@ fi
     for ac_func in modfl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13274: checking for $ac_func" >&5
+echo "configure:13826: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13279 "configure"
+#line 13831 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13298,7 +13850,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13302: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13854: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13325,7 +13877,7 @@ done
   else
     
   echo $ac_n "checking for _modfl declaration""... $ac_c" 1>&6
-echo "configure:13329: checking for _modfl declaration" >&5
+echo "configure:13881: checking for _modfl declaration" >&5
   if test x${glibcpp_cv_func__modfl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__modfl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -13340,14 +13892,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13344 "configure"
+#line 13896 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _modfl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13351: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13903: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__modfl_use=yes
 else
@@ -13374,12 +13926,12 @@ fi
       for ac_func in _modfl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13378: checking for $ac_func" >&5
+echo "configure:13930: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13383 "configure"
+#line 13935 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13402,7 +13954,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13406: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13958: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13432,7 +13984,7 @@ done
   
   
   echo $ac_n "checking for powl declaration""... $ac_c" 1>&6
-echo "configure:13436: checking for powl declaration" >&5
+echo "configure:13988: checking for powl declaration" >&5
   if test x${glibcpp_cv_func_powl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_powl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -13447,14 +13999,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13451 "configure"
+#line 14003 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  powl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13458: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14010: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_powl_use=yes
 else
@@ -13481,12 +14033,12 @@ fi
     for ac_func in powl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13485: checking for $ac_func" >&5
+echo "configure:14037: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13490 "configure"
+#line 14042 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13509,7 +14061,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13513: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14065: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13536,7 +14088,7 @@ done
   else
     
   echo $ac_n "checking for _powl declaration""... $ac_c" 1>&6
-echo "configure:13540: checking for _powl declaration" >&5
+echo "configure:14092: checking for _powl declaration" >&5
   if test x${glibcpp_cv_func__powl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__powl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -13551,14 +14103,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13555 "configure"
+#line 14107 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _powl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13562: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14114: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__powl_use=yes
 else
@@ -13585,12 +14137,12 @@ fi
       for ac_func in _powl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13589: checking for $ac_func" >&5
+echo "configure:14141: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13594 "configure"
+#line 14146 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13613,7 +14165,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13617: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14169: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13643,7 +14195,7 @@ done
   
   
   echo $ac_n "checking for sqrtl declaration""... $ac_c" 1>&6
-echo "configure:13647: checking for sqrtl declaration" >&5
+echo "configure:14199: checking for sqrtl declaration" >&5
   if test x${glibcpp_cv_func_sqrtl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_sqrtl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -13658,7 +14210,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13662 "configure"
+#line 14214 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -13669,7 +14221,7 @@ int main() {
  sqrtl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13673: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14225: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sqrtl_use=yes
 else
@@ -13696,12 +14248,12 @@ fi
     for ac_func in sqrtl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13700: checking for $ac_func" >&5
+echo "configure:14252: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13705 "configure"
+#line 14257 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13724,7 +14276,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13728: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14280: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13751,7 +14303,7 @@ done
   else
     
   echo $ac_n "checking for _sqrtl declaration""... $ac_c" 1>&6
-echo "configure:13755: checking for _sqrtl declaration" >&5
+echo "configure:14307: checking for _sqrtl declaration" >&5
   if test x${glibcpp_cv_func__sqrtl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__sqrtl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -13766,7 +14318,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13770 "configure"
+#line 14322 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -13777,7 +14329,7 @@ int main() {
  _sqrtl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13781: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14333: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sqrtl_use=yes
 else
@@ -13804,12 +14356,12 @@ fi
       for ac_func in _sqrtl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13808: checking for $ac_func" >&5
+echo "configure:14360: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13813 "configure"
+#line 14365 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13832,7 +14384,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13836: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14388: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13862,7 +14414,7 @@ done
   
   
   echo $ac_n "checking for sincosl declaration""... $ac_c" 1>&6
-echo "configure:13866: checking for sincosl declaration" >&5
+echo "configure:14418: checking for sincosl declaration" >&5
   if test x${glibcpp_cv_func_sincosl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_sincosl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -13877,14 +14429,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13881 "configure"
+#line 14433 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  sincosl(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13888: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14440: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sincosl_use=yes
 else
@@ -13911,12 +14463,12 @@ fi
     for ac_func in sincosl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13915: checking for $ac_func" >&5
+echo "configure:14467: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13920 "configure"
+#line 14472 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13939,7 +14491,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13943: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14495: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13966,7 +14518,7 @@ done
   else
     
   echo $ac_n "checking for _sincosl declaration""... $ac_c" 1>&6
-echo "configure:13970: checking for _sincosl declaration" >&5
+echo "configure:14522: checking for _sincosl declaration" >&5
   if test x${glibcpp_cv_func__sincosl_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__sincosl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -13981,14 +14533,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13985 "configure"
+#line 14537 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _sincosl(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13992: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14544: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sincosl_use=yes
 else
@@ -14015,12 +14567,12 @@ fi
       for ac_func in _sincosl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14019: checking for $ac_func" >&5
+echo "configure:14571: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14024 "configure"
+#line 14576 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14043,7 +14595,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14047: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14599: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14073,7 +14625,7 @@ done
   
   
   echo $ac_n "checking for finitel declaration""... $ac_c" 1>&6
-echo "configure:14077: checking for finitel declaration" >&5
+echo "configure:14629: checking for finitel declaration" >&5
   if test x${glibcpp_cv_func_finitel_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_finitel_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -14088,7 +14640,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 14092 "configure"
+#line 14644 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -14099,7 +14651,7 @@ int main() {
  finitel(0);
 ; return 0; }
 EOF
-if { (eval echo configure:14103: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14655: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_finitel_use=yes
 else
@@ -14126,12 +14678,12 @@ fi
     for ac_func in finitel
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14130: checking for $ac_func" >&5
+echo "configure:14682: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14135 "configure"
+#line 14687 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14154,7 +14706,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14158: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14710: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14181,7 +14733,7 @@ done
   else
     
   echo $ac_n "checking for _finitel declaration""... $ac_c" 1>&6
-echo "configure:14185: checking for _finitel declaration" >&5
+echo "configure:14737: checking for _finitel declaration" >&5
   if test x${glibcpp_cv_func__finitel_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func__finitel_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -14196,7 +14748,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 14200 "configure"
+#line 14752 "configure"
 #include "confdefs.h"
 #include <math.h>
 		      #ifdef HAVE_IEEEFP_H
@@ -14207,7 +14759,7 @@ int main() {
  _finitel(0);
 ; return 0; }
 EOF
-if { (eval echo configure:14211: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14763: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__finitel_use=yes
 else
@@ -14234,12 +14786,12 @@ fi
       for ac_func in _finitel
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14238: checking for $ac_func" >&5
+echo "configure:14790: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14243 "configure"
+#line 14795 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14262,7 +14814,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14266: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14818: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14293,7 +14845,7 @@ done
         
     
   echo $ac_n "checking for _float trig functions""... $ac_c" 1>&6
-echo "configure:14297: checking for _float trig functions" >&5
+echo "configure:14849: checking for _float trig functions" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__float_trig_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14307,7 +14859,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14311 "configure"
+#line 14863 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
@@ -14316,7 +14868,7 @@ int main() {
                                           _coshf _sinhf _tanhf; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:14320: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14872: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__float_trig_use=yes
 else
@@ -14342,12 +14894,12 @@ fi
                                           _coshf _sinhf _tanhf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14346: checking for $ac_func" >&5
+echo "configure:14898: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14351 "configure"
+#line 14903 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14370,7 +14922,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14374: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14926: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14398,7 +14950,7 @@ done
 
   
   echo $ac_n "checking for _float round functions""... $ac_c" 1>&6
-echo "configure:14402: checking for _float round functions" >&5
+echo "configure:14954: checking for _float round functions" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__float_round_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14412,14 +14964,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14416 "configure"
+#line 14968 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  `for x in _ceilf _floorf; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:14423: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14975: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__float_round_use=yes
 else
@@ -14443,12 +14995,12 @@ fi
     for ac_func in _ceilf _floorf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14447: checking for $ac_func" >&5
+echo "configure:14999: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14452 "configure"
+#line 15004 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14471,7 +15023,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14475: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15027: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14500,7 +15052,7 @@ done
 
     
   echo $ac_n "checking for _long double trig functions""... $ac_c" 1>&6
-echo "configure:14504: checking for _long double trig functions" >&5
+echo "configure:15056: checking for _long double trig functions" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__long_double_trig_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14514,7 +15066,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14518 "configure"
+#line 15070 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
@@ -14523,7 +15075,7 @@ int main() {
                                           _coshl _sinhl _tanhl; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:14527: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15079: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__long_double_trig_use=yes
 else
@@ -14549,12 +15101,12 @@ fi
                                           _coshl _sinhl _tanhl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14553: checking for $ac_func" >&5
+echo "configure:15105: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14558 "configure"
+#line 15110 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14577,7 +15129,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14581: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15133: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14605,7 +15157,7 @@ done
 
   
   echo $ac_n "checking for _long double round functions""... $ac_c" 1>&6
-echo "configure:14609: checking for _long double round functions" >&5
+echo "configure:15161: checking for _long double round functions" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__long_double_round_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14619,14 +15171,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14623 "configure"
+#line 15175 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  `for x in _ceill _floorl; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:14630: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15182: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__long_double_round_use=yes
 else
@@ -14650,12 +15202,12 @@ fi
     for ac_func in _ceill _floorl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14654: checking for $ac_func" >&5
+echo "configure:15206: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14659 "configure"
+#line 15211 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14678,7 +15230,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14682: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15234: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14710,7 +15262,7 @@ done
 
   
     echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:14714: checking for main in -lm" >&5
+echo "configure:15266: checking for main in -lm" >&5
 ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -14718,14 +15270,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 14722 "configure"
+#line 15274 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:14729: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15281: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -14755,12 +15307,12 @@ fi
   for ac_func in nan hypot hypotf atan2f expf copysignf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14759: checking for $ac_func" >&5
+echo "configure:15311: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14764 "configure"
+#line 15316 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14783,7 +15335,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14787: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15339: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14817,12 +15369,12 @@ done
     for ac_func in hypotl signbitl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14821: checking for $ac_func" >&5
+echo "configure:15373: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14826 "configure"
+#line 15378 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14845,7 +15397,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14849: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15401: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14879,7 +15431,7 @@ done
   
 
   echo $ac_n "checking for GNU C++ __complex__ support""... $ac_c" 1>&6
-echo "configure:14883: checking for GNU C++ __complex__ support" >&5
+echo "configure:15435: checking for GNU C++ __complex__ support" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_complex'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14893,7 +15445,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14897 "configure"
+#line 15449 "configure"
 #include "confdefs.h"
 struct dcomplex { __complex__ double x; }; \
                     dcomplex f(const dcomplex& x) { return dcomplex(x); }
@@ -14902,7 +15454,7 @@ int main() {
                      dcomplex x; f(x); 
 ; return 0; }
 EOF
-if { (eval echo configure:14906: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15458: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_complex=ok
 else
@@ -14932,7 +15484,7 @@ EOF
   fi
 
   echo $ac_n "checking for GNU C++ __complex__ float support""... $ac_c" 1>&6
-echo "configure:14936: checking for GNU C++ __complex__ float support" >&5
+echo "configure:15488: checking for GNU C++ __complex__ float support" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_float_complex'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14965,14 +15517,14 @@ cross_compiling=$ac_cv_prog_cxx_cross
       };
 EOB
     cat > conftest.$ac_ext <<EOF
-#line 14969 "configure"
+#line 15521 "configure"
 #include "confdefs.h"
 #include "conftest.h"
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:14976: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15528: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_float_complex=ok
 else
@@ -15004,16 +15556,16 @@ EOF
   
 
       echo $ac_n "checking for mbstate_t""... $ac_c" 1>&6
-echo "configure:15008: checking for mbstate_t" >&5
+echo "configure:15560: checking for mbstate_t" >&5
   cat > conftest.$ac_ext <<EOF
-#line 15010 "configure"
+#line 15562 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 int main() {
 mbstate_t teststate;
 ; return 0; }
 EOF
-if { (eval echo configure:15017: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15569: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   have_mbstate_t=yes
 else
@@ -15035,17 +15587,17 @@ EOF
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:15039: checking for $ac_hdr" >&5
+echo "configure:15591: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15044 "configure"
+#line 15596 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:15049: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:15601: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -15074,17 +15626,17 @@ done
 
   ac_safe=`echo "wctype.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for wctype.h""... $ac_c" 1>&6
-echo "configure:15078: checking for wctype.h" >&5
+echo "configure:15630: checking for wctype.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15083 "configure"
+#line 15635 "configure"
 #include "confdefs.h"
 #include <wctype.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:15088: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:15640: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -15111,16 +15663,16 @@ fi
      && test x"$enable_c_mbchar" != xno; then
       
             echo $ac_n "checking for WCHAR_MIN and WCHAR_MAX""... $ac_c" 1>&6
-echo "configure:15115: checking for WCHAR_MIN and WCHAR_MAX" >&5
+echo "configure:15667: checking for WCHAR_MIN and WCHAR_MAX" >&5
     cat > conftest.$ac_ext <<EOF
-#line 15117 "configure"
+#line 15669 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 int main() {
 int i = WCHAR_MIN; int j = WCHAR_MAX;
 ; return 0; }
 EOF
-if { (eval echo configure:15124: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15676: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   has_wchar_minmax=yes
 else
@@ -15133,9 +15685,9 @@ rm -f conftest*
     echo "$ac_t""$has_wchar_minmax" 1>&6
     
             echo $ac_n "checking for WEOF""... $ac_c" 1>&6
-echo "configure:15137: checking for WEOF" >&5
+echo "configure:15689: checking for WEOF" >&5
     cat > conftest.$ac_ext <<EOF
-#line 15139 "configure"
+#line 15691 "configure"
 #include "confdefs.h"
 
       #include <wchar.h>
@@ -15144,7 +15696,7 @@ int main() {
 wint_t i = WEOF;
 ; return 0; }
 EOF
-if { (eval echo configure:15148: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15700: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   has_weof=yes
 else
@@ -15160,12 +15712,12 @@ rm -f conftest*
     wcsrtombs mbsrtowcs
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15164: checking for $ac_func" >&5
+echo "configure:15716: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15169 "configure"
+#line 15721 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15188,7 +15740,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15192: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15744: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15215,7 +15767,7 @@ done
 
   
     echo $ac_n "checking for ISO C99 wchar_t support""... $ac_c" 1>&6
-echo "configure:15219: checking for ISO C99 wchar_t support" >&5
+echo "configure:15771: checking for ISO C99 wchar_t support" >&5
     if test x"$has_weof" = xyes && test x"$has_wchar_minmax" = xyes \
        && test x"$ac_wfuncs" = xyes; then
       ac_isoC99_wchar_t=yes
@@ -15226,17 +15778,17 @@ echo "configure:15219: checking for ISO C99 wchar_t support" >&5
   
             ac_safe=`echo "iconv.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for iconv.h""... $ac_c" 1>&6
-echo "configure:15230: checking for iconv.h" >&5
+echo "configure:15782: checking for iconv.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15235 "configure"
+#line 15787 "configure"
 #include "confdefs.h"
 #include <iconv.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:15240: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:15792: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -15260,17 +15812,17 @@ fi
 
     ac_safe=`echo "langinfo.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for langinfo.h""... $ac_c" 1>&6
-echo "configure:15264: checking for langinfo.h" >&5
+echo "configure:15816: checking for langinfo.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15269 "configure"
+#line 15821 "configure"
 #include "confdefs.h"
 #include <langinfo.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:15274: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:15826: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -15294,7 +15846,7 @@ fi
 
 
         echo $ac_n "checking for iconv in -liconv""... $ac_c" 1>&6
-echo "configure:15298: checking for iconv in -liconv" >&5
+echo "configure:15850: checking for iconv in -liconv" >&5
 ac_lib_var=`echo iconv'_'iconv | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -15302,7 +15854,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-liconv  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 15306 "configure"
+#line 15858 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -15313,7 +15865,7 @@ int main() {
 iconv()
 ; return 0; }
 EOF
-if { (eval echo configure:15317: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15869: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -15339,12 +15891,12 @@ fi
     for ac_func in iconv_open iconv_close iconv nl_langinfo
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15343: checking for $ac_func" >&5
+echo "configure:15895: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15348 "configure"
+#line 15900 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15367,7 +15919,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15371: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15923: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15397,7 +15949,7 @@ done
     LIBS="$ac_save_LIBS"
 
     echo $ac_n "checking for XPG2 wchar_t support""... $ac_c" 1>&6
-echo "configure:15401: checking for XPG2 wchar_t support" >&5
+echo "configure:15953: checking for XPG2 wchar_t support" >&5
     if test x"$ac_has_iconv_h" = xyes && test x"$ac_has_langinfo_h" = xyes \
        && test x"$ac_XPG2funcs" = xyes; then
       ac_XPG2_wchar_t=yes
@@ -15407,7 +15959,7 @@ echo "configure:15401: checking for XPG2 wchar_t support" >&5
     echo "$ac_t""$ac_XPG2_wchar_t" 1>&6
   
             echo $ac_n "checking for enabled wchar_t specializations""... $ac_c" 1>&6
-echo "configure:15411: checking for enabled wchar_t specializations" >&5
+echo "configure:15963: checking for enabled wchar_t specializations" >&5
     if test x"$ac_isoC99_wchar_t" = xyes \
        && test x"$ac_XPG2_wchar_t" = xyes; then
       cat >> confdefs.h <<\EOF
@@ -15430,12 +15982,12 @@ EOF
   for ac_func in strtof
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15434: checking for $ac_func" >&5
+echo "configure:15986: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15439 "configure"
+#line 15991 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15458,7 +16010,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15462: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16014: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15484,7 +16036,7 @@ done
 
   
   echo $ac_n "checking for strtold declaration""... $ac_c" 1>&6
-echo "configure:15488: checking for strtold declaration" >&5
+echo "configure:16040: checking for strtold declaration" >&5
   if test x${glibcpp_cv_func_strtold_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_strtold_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -15499,14 +16051,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 15503 "configure"
+#line 16055 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 int main() {
  strtold(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:15510: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16062: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_strtold_use=yes
 else
@@ -15532,12 +16084,12 @@ fi
     for ac_func in strtold
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15536: checking for $ac_func" >&5
+echo "configure:16088: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15541 "configure"
+#line 16093 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15560,7 +16112,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15564: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16116: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15586,12 +16138,67 @@ done
     
   fi
 
+  for ac_func in drand48
+do
+echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
+echo "configure:16145: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 16150 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char $ac_func();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+$ac_func();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:16173: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_func 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+fi
+done
+
 
   CXXFLAGS="$ac_save_CXXFLAGS"
 
 
   cat > conftest.$ac_ext <<EOF
-#line 15595 "configure"
+#line 16202 "configure"
 #include "confdefs.h"
 
 #include <setjmp.h>
@@ -15600,7 +16207,7 @@ int main() {
 sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);
 ; return 0; }
 EOF
-if { (eval echo configure:15604: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16211: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_SIGSETJMP 1
@@ -15616,17 +16223,17 @@ rm -f conftest*
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:15620: checking for $ac_hdr" >&5
+echo "configure:16227: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15625 "configure"
+#line 16232 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:15630: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:16237: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -15655,12 +16262,12 @@ done
 for ac_func in getpagesize
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15659: checking for $ac_func" >&5
+echo "configure:16266: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15664 "configure"
+#line 16271 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15683,7 +16290,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15687: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16294: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15708,7 +16315,7 @@ fi
 done
 
 echo $ac_n "checking for working mmap""... $ac_c" 1>&6
-echo "configure:15712: checking for working mmap" >&5
+echo "configure:16319: checking for working mmap" >&5
 if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15716,7 +16323,7 @@ else
   ac_cv_func_mmap_fixed_mapped=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 15720 "configure"
+#line 16327 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Haertel and Jim Avera for this test.
@@ -15856,7 +16463,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:15860: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:16467: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_mmap_fixed_mapped=yes
 else
@@ -15964,17 +16571,17 @@ rm -f confcache
 
   ac_safe=`echo "locale.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for locale.h""... $ac_c" 1>&6
-echo "configure:15968: checking for locale.h" >&5
+echo "configure:16575: checking for locale.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15973 "configure"
+#line 16580 "configure"
 #include "confdefs.h"
 #include <locale.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:15978: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:16585: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -15992,19 +16599,19 @@ if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   
     echo $ac_n "checking for LC_MESSAGES""... $ac_c" 1>&6
-echo "configure:15996: checking for LC_MESSAGES" >&5
+echo "configure:16603: checking for LC_MESSAGES" >&5
 if eval "test \"`echo '$''{'ac_cv_val_LC_MESSAGES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 16001 "configure"
+#line 16608 "configure"
 #include "confdefs.h"
 #include <locale.h>
 int main() {
 return LC_MESSAGES
 ; return 0; }
 EOF
-if { (eval echo configure:16008: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16615: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_val_LC_MESSAGES=yes
 else
@@ -16049,13 +16656,13 @@ glibcpp_toolexecdir=no
 glibcpp_toolexeclibdir=no
 
 echo $ac_n "checking for interface version number""... $ac_c" 1>&6
-echo "configure:16053: checking for interface version number" >&5
+echo "configure:16660: checking for interface version number" >&5
 libstdcxx_interface=$INTERFACE
 echo "$ac_t""$libstdcxx_interface" 1>&6
 
 # Process the option --with-gxx-include-dir=<path to include-files directory>
 echo $ac_n "checking for --with-gxx-include-dir""... $ac_c" 1>&6
-echo "configure:16059: checking for --with-gxx-include-dir" >&5
+echo "configure:16666: checking for --with-gxx-include-dir" >&5
 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
 if test "${with_gxx_include_dir+set}" = set; then
   withval="$with_gxx_include_dir"
@@ -16079,7 +16686,7 @@ echo "$ac_t""$gxx_include_dir" 1>&6
 
 # Process the option "--enable-version-specific-runtime-libs"
 echo $ac_n "checking for --enable-version-specific-runtime-libs""... $ac_c" 1>&6
-echo "configure:16083: checking for --enable-version-specific-runtime-libs" >&5
+echo "configure:16690: checking for --enable-version-specific-runtime-libs" >&5
 # Check whether --enable-version-specific-runtime-libs or --disable-version-specific-runtime-libs was given.
 if test "${enable_version_specific_runtime_libs+set}" = set; then
   enableval="$enable_version_specific_runtime_libs"
@@ -16119,7 +16726,7 @@ if test x"$glibcpp_toolexecdir" = x"no"; then
 fi
 
 echo $ac_n "checking for install location""... $ac_c" 1>&6
-echo "configure:16123: checking for install location" >&5
+echo "configure:16730: checking for install location" >&5
 echo "$ac_t""$gxx_include_dir" 1>&6
 
 
diff --git a/libstdc++-v3/configure.in b/libstdc++-v3/configure.in
index ebb9dcba6e8..838ce93911d 100644
--- a/libstdc++-v3/configure.in
+++ b/libstdc++-v3/configure.in
@@ -64,7 +64,8 @@ GLIBCPP_ENABLE_DEBUG($USE_MAINTAINER_MODE)
 GLIBCPP_ENABLE_CSTDIO
 GLIBCPP_ENABLE_CLOCALE
 GLIBCPP_ENABLE_C_MBCHAR([yes])
-GLIBCPP_ENABLE_LONG_LONG([no])
+GLIBCPP_ENABLE_C99([yes])
+GLIBCPP_ENABLE_LONG_LONG([yes])
 GLIBCPP_ENABLE_CHEADERS([c_std])
 GLIBCPP_ENABLE_THREADS
 GLIBCPP_ENABLE_CXX_FLAGS([none])
diff --git a/libstdc++-v3/docs/html/configopts.html b/libstdc++-v3/docs/html/configopts.html
index 35e43e0993d..69e48bcb495 100644
--- a/libstdc++-v3/docs/html/configopts.html
+++ b/libstdc++-v3/docs/html/configopts.html
@@ -7,7 +7,7 @@
    <META NAME="GENERATOR" CONTENT="vi and eight fingers">
    <TITLE>libstdc++-v3 configure options</TITLE>
 <LINK REL=StyleSheet HREF="lib3styles.css">
-<!-- $Id: configopts.html,v 1.8 2001/04/02 19:00:13 bkoz Exp $ -->
+<!-- $Id: configopts.html,v 1.9 2001/04/06 01:47:11 bkoz Exp $ -->
 </HEAD>
 <BODY>
 
@@ -91,16 +91,31 @@ options</A></H1>
  'generic'.
      </P>
 
+ <DT><TT>--enable-c99  </TT>
+ <DD><P>The &quot;long long&quot; type was introduced in C99, along
+ 	with bunches of other functions for wide characters, and math
+ 	classification macros, etc. If enabled, all C99 functions not
+ 	specified by the C++ standard will be put into namespace c99,
+ 	and then all names in the c99 namespace will be injected into
+ 	namespace std, so that C99 functions can be used "as if" they
+ 	were in the C++ standard (as they will eventually be in some
+ 	future revision of the standard, without a doubt.) By default,
+ 	C99 support is on, assuming the configure probes find all the
+ 	necessary functions and bits necessary.
+    </P>
+
  <DT><TT>--enable-long-long  </TT>
  <DD><P>The &quot;long long&quot; type was introduced in C99.  It is
         provided as a GNU extension to C++98 in g++.  This flag builds
         support for &quot;long long&quot; into the library
-        (specialized templates and the like). This option is off by
-        default:  if enabled, users will have to either use the
-        new-style &quot;C&quot; headers by default (ie cmath not math.h)
-        or add appropriate compile-time flags to all compile lines to
-        allow &quot;C&quot; visibility of this feature (on GNU/Linux,
-        the flag is -D_ISOC99_SOURCE).
+        (specialized templates and the like for iostreams). This
+        option is on by default: if enabled, users will have to either
+        use the new-style &quot;C&quot; headers by default (ie cmath
+        not math.h) or add appropriate compile-time flags to all
+        compile lines to allow &quot;C&quot; visibility of this
+        feature (on GNU/Linux, the flag is -D_ISOC99_SOURCE, which is
+        added automatically via CPLUSPLUS_CPP_SPEC's addition of
+        _GNU_SOURCE).
      </P>
 
  <DT><TT>--enable-cheaders=OPTION  </TT>
@@ -197,7 +212,7 @@ options</A></H1>
 
 <HR>
 <P CLASS="fineprint"><EM>
-$Id: configopts.html,v 1.8 2001/04/02 19:00:13 bkoz Exp $
+$Id: configopts.html,v 1.9 2001/04/06 01:47:11 bkoz Exp $
 </EM></P>
 
 
diff --git a/libstdc++-v3/include/bits/c++config b/libstdc++-v3/include/bits/c++config
index ad72c1fdc3c..e1571061e72 100644
--- a/libstdc++-v3/include/bits/c++config
+++ b/libstdc++-v3/include/bits/c++config
@@ -49,6 +49,10 @@
 // by the compiler, but instead instantiated into the library binary.
 #define _GLIBCPP_FULLY_COMPLIANT_HEADERS 1
 
+// Define this to permit user-level control of the expansion of string
+// buffers (via a fn pointer), see basic_string.* for more.
+//#define _GLIBCPP_ALLOC_CONTROL
+
 // To enable older, ARM-style iostreams and other anachronisms use this.
 //#define _GLIBCPP_DEPRECATED 1
 
@@ -59,86 +63,54 @@
 //#define _GLIBCPP_CONCEPT_CHECKS 1
 
 // From SGI's stl_config.h; generic settings and user hooks (_NOTHREADS).
+#ifdef _REENTRANT
+# define __STL_THREADS
+#endif
+
 #if defined(_PTHREADS) && !defined(_NOTHREADS)
-#    define __STL_PTHREADS
+# define __STL_PTHREADS
 #endif
+
 #if defined(_UITHREADS) && !defined(_PTHREADS) && !defined(_NOTHREADS)
-#    define __STL_UITHREADS
+# define __STL_UITHREADS
+#endif
+
+#if defined(__STL_WIN32THREADS) || defined(__STL_SGI_THREADS) \
+    || defined(__STL_PTHREADS)  || defined(__STL_UITHREADS)
+# define __STL_THREADS
+# define __STL_VOLATILE volatile
+#else
+# define __STL_VOLATILE
 #endif
 
 // This is also a user hook, but via -f[no-]exceptions, not direct #defines.
 #ifdef __EXCEPTIONS
-#  define __STL_USE_EXCEPTIONS
-#  define __STL_TRY try
-#  define __STL_CATCH_ALL catch(...)
-#  define __STL_THROW(x) throw x
-#  define __STL_RETHROW throw
-#  define __STL_NOTHROW throw()
-#  define __STL_UNWIND(action) catch(...) { action; throw; }
+# define __STL_USE_EXCEPTIONS
+# define __STL_TRY try
+# define __STL_CATCH_ALL catch(...)
+# define __STL_THROW(x) throw x
+# define __STL_RETHROW throw
+# define __STL_NOTHROW throw()
+# define __STL_UNWIND(action) catch(...) { action; throw; }
 #else
-#  define __STL_TRY 
-#  define __STL_CATCH_ALL if (false)
-#  define __STL_THROW(x) 
-#  define __STL_RETHROW 
-#  define __STL_NOTHROW 
-#  define __STL_UNWIND(action) 
+# define __STL_TRY 
+# define __STL_CATCH_ALL if (false)
+# define __STL_THROW(x) 
+# define __STL_RETHROW 
+# define __STL_NOTHROW 
+# define __STL_UNWIND(action) 
 #endif
 
 // This is the "underlying allocator" for STL.  The alternatives are
 // homegrown schemes involving a kind of mutex and free list; see stl_alloc.h.
 #define __USE_MALLOC
 
-// Define this to permit user-level control of the expansion of string
-// buffers (via a fn pointer), see basic_string.* for more.
-//#define _GLIBCPP_ALLOC_CONTROL
-
 // The remainder of the prewritten config is mostly automatic; all the
 // user hooks are listed above.
 
-#ifdef _REENTRANT
-#  define __STL_THREADS
-#endif
-#ifdef _PTHREADS
-#  define __STL_PTHREADS
-#endif
-//#ifndef __STRICT_ANSI__
-//#  define __STL_LONG_LONG
-//#endif
-
-// Mingw32, GCC compiler using the Microsoft C runtime (settings taken from
-// SGI's stl_config.h)
-#if defined(__MINGW32__)
-#  define __STL_NO_DRAND48
-#  ifdef _MT
-#    define __STL_WIN32THREADS
-#  endif
-#endif
-
-// Cygwin32, GCC compiler on MS Windows (settings taken from SGI's
-// stl_config.h)
-#if defined(__CYGWIN__)
-#  define __STL_NO_DRAND48
-#endif
-
-// XXX Only used in the SGI rope extensions; this is from stl_config.h and
+// XXX 
+// Only used in the SGI rope extensions; this is from stl_config.h and
 // should be cleaned up.
-#ifdef __STL_ASSERTIONS
-# include <stdio.h>
-# define __stl_assert(expr) \
-    if (!(expr)) { fprintf(stderr, "%s:%d STL assertion failure: %s\n", \
-                          __FILE__, __LINE__, # expr); abort(); }
-#else
 # define __stl_assert(expr)
-#endif
-
-
-#if defined(__STL_WIN32THREADS) || defined(__STL_SGI_THREADS) \
-    || defined(__STL_PTHREADS)  || defined(__STL_UITHREADS)
-#   define __STL_THREADS
-#   define __STL_VOLATILE volatile
-#else
-#   define __STL_VOLATILE
-#endif
-
 
 // End of prewritten config; the discovered settings follow.
diff --git a/libstdc++-v3/include/bits/stl_algo.h b/libstdc++-v3/include/bits/stl_algo.h
index 43537248448..a1bd83cdc85 100644
--- a/libstdc++-v3/include/bits/stl_algo.h
+++ b/libstdc++-v3/include/bits/stl_algo.h
@@ -1088,13 +1088,12 @@ _OutputIter rotate_copy(_ForwardIter __first, _ForwardIter __middle,
 // Return a random number in the range [0, __n).  This function encapsulates
 // whether we're using rand (part of the standard C library) or lrand48
 // (not standard, but a much better choice whenever it's available).
-
 template <class _Distance>
 inline _Distance __random_number(_Distance __n) {
-#ifdef __STL_NO_DRAND48
-  return rand() % __n;
-#else
+#ifdef _GLIBCPP_HAVE_DRAND48
   return lrand48() % __n;
+#else
+  return rand() % __n;
 #endif
 }
 
diff --git a/libstdc++-v3/include/c_std/bits/std_cmath.h b/libstdc++-v3/include/c_std/bits/std_cmath.h
index db3e47f6f20..9ec828493e6 100644
--- a/libstdc++-v3/include/c_std/bits/std_cmath.h
+++ b/libstdc++-v3/include/c_std/bits/std_cmath.h
@@ -67,24 +67,6 @@
 #undef tan
 #undef tanh
 
-// These are possible macros imported from C99-land.  They tend to break
-// well-formed C++ programs.  Just pretend we don't know about them.
-// At some point, we should provide extensions in std:: -- Gaby
-
-#undef fpclassify
-#undef isfinite
-#undef isinf
-#undef isnan
-#undef isnormal
-#undef signbit
-
-#undef isgreater
-#undef isgreaterequal
-#undef isless
-#undef islessequal
-#undef islessgreater
-#undef isunordered
-
 namespace std 
 {
   // Forward declaration of a helper function.  This really should be
@@ -619,6 +601,136 @@ namespace std
 #endif
 } // std
 
+
+#if _GLIBCPP_USE_C99
+// These are possible macros imported from C99-land. For strict
+// conformance, remove possible C99-injected names from the
+// global namespace, and sequester them in the c99 namespace. 
+namespace c99
+{
+  template<typename _Tp>
+    int 
+    __capture_fpclassify(_Tp __f) { return fpclassify(__f); }
+
+  template<typename _Tp>
+    int 
+    __capture_isfinite(_Tp __f) { return isfinite(__f); }
+
+  template<typename _Tp>
+    int 
+    __capture_isinf(_Tp __f) { return isinf(__f); }
+
+  template<typename _Tp>
+    int 
+    __capture_isnan(_Tp __f) { return isnan(__f); }
+
+  template<typename _Tp>
+    int 
+    __capture_isnormal(_Tp __f) { return isnormal(__f); }
+
+  template<typename _Tp>
+    int 
+    __capture_signbit(_Tp __f) { return signbit(__f); }
+
+  template<typename _Tp>
+    int 
+    __capture_isgreater(_Tp __f1, _Tp __f2) { return isgreater(__f1, __f2); }
+
+ template<typename _Tp>
+    int 
+    __capture_isgreaterequal(_Tp __f1, _Tp __f2) 
+    { return isgreaterequal(__f1, __f2); }
+
+ template<typename _Tp>
+    int 
+    __capture_isless(_Tp __f1, _Tp __f2) { return isless(__f1, __f2); }
+
+ template<typename _Tp>
+    int 
+    __capture_islessequal(_Tp __f1, _Tp __f2) 
+    { return islessequal(__f1, __f2); }
+
+ template<typename _Tp>
+    int 
+    __capture_islessgreater(_Tp __f1, _Tp __f2) 
+    { return islessgreater(__f1, __f2); }
+
+ template<typename _Tp>
+    int 
+    __capture_isunordered(_Tp __f1, _Tp __f2) 
+    { return isunordered(__f1, __f2); }
+} // namespace c99
+#endif
+
+#undef fpclassify
+#undef isfinite
+#undef isinf
+#undef isnan
+#undef isnormal
+#undef signbit
+#undef isgreater
+#undef isgreaterequal
+#undef isless
+#undef islessequal
+#undef islessgreater
+#undef isunordered
+
+#if _GLIBCPP_USE_C99
+namespace c99
+{
+  template<typename _Tp>
+    int
+    fpclassify(_Tp __f) { return __capture_fpclassify(__f); }
+
+  template<typename _Tp>
+    int
+    isfinite(_Tp __f) { return __capture_isfinite(__f); }
+
+  template<typename _Tp>
+    int 
+    isinf(_Tp __f) { return __capture_isinf(__f); }
+
+  template<typename _Tp>
+    int 
+    isnan(_Tp __f) { return __capture_isnan(__f); }
+
+  template<typename _Tp>
+    int 
+    isnormal(_Tp __f) { return __capture_isnormal(__f); }
+
+  template<typename _Tp>
+    int 
+    signbit(_Tp __f) { return __capture_signbit(__f); }
+
+  template<typename _Tp>
+    int 
+    isgreater(_Tp __f1, _Tp __f2) { return __capture_isgreater(__f1, __f2); }
+
+  template<typename _Tp>
+    int 
+    isgreaterequal(_Tp __f1, _Tp __f2) 
+    { return __capture_isgreaterequal(__f1, __f2); }
+
+  template<typename _Tp>
+    int 
+    isless(_Tp __f1, _Tp __f2) { return __capture_isless(__f1, __f2); }
+
+  template<typename _Tp>
+    int 
+    islessequal(_Tp __f1, _Tp __f2) 
+    { return __capture_islessequal(__f1, __f2); }
+
+  template<typename _Tp>
+    int 
+    islessgreater(_Tp __f) { return __capture_islessgreater(__f); }
+
+  template<typename _Tp>
+    int 
+    isunordered(_Tp __f1, _Tp __f2) 
+    { return __capture_isunordered(__f1, __f2); }
+}
+#endif
+  
 #ifdef _GLIBCPP_NO_TEMPLATE_EXPORT
 #  define export
 #  include <bits/cmath.tcc>
diff --git a/libstdc++-v3/include/c_std/bits/std_cstdlib.h b/libstdc++-v3/include/c_std/bits/std_cstdlib.h
index 8b7776db3ba..b8365e024f2 100644
--- a/libstdc++-v3/include/c_std/bits/std_cstdlib.h
+++ b/libstdc++-v3/include/c_std/bits/std_cstdlib.h
@@ -85,18 +85,6 @@ namespace std
   using ::div_t;
   using ::ldiv_t;
 
-#ifdef _GLIBCPP_USE_LONG_LONG
-# ifdef _GLIBCPP_HAVE_LLDIV_T
-  using ::lldiv_t;
-# else
-  struct lldiv_t
-  {
-    long long quot;
-    long long rem;
-  };
-# endif
-#endif 
-
   extern "C" double atof(const char*); 
   extern "C" int atoi(const char*); 
   extern "C" long int atol(const char*); 
@@ -135,8 +123,13 @@ namespace std
 
   inline ldiv_t
   div(long __i, long __j) { return ::ldiv(__i, __j); }
+} // namespace std
+
+#if _GLIBCPP_USE_C99
+namespace c99
+{
+  using ::lldiv_t;
 
-#ifdef _GLIBCPP_USE_LONG_LONG
   inline long long 
   abs(long long __x) { return __x >= 0 ? __x : -__x; }
 
@@ -154,18 +147,11 @@ namespace std
   extern "C" long long int atoll(const char*); 
   extern "C" long long int strtoll(const char*, char**, int); 
   extern "C" unsigned long long int strtoull(const char*, char**, int); 
-#endif
 
 #ifdef _GLIBCPP_HAVE_STRTOLD
   extern "C" long double strtold(const char*, char**); 
 #endif
-}
+} // namespace c99
+#endif
 
 #endif 
-
-
-
-
-
-
-
diff --git a/libstdc++-v3/include/c_std/bits/std_cwchar.h b/libstdc++-v3/include/c_std/bits/std_cwchar.h
index e9e987adfd7..4bf8c8338f4 100644
--- a/libstdc++-v3/include/c_std/bits/std_cwchar.h
+++ b/libstdc++-v3/include/c_std/bits/std_cwchar.h
@@ -46,7 +46,6 @@
 #include <wchar.h>
 #endif
 
-
 // Need to do a bit of trickery here with mbstate_t as char_traits
 // assumes it is in wchar.h, regardless of wchar_t specializations.
 #ifndef _GLIBCPP_HAVE_MBSTATE_T
@@ -192,19 +191,21 @@ namespace std
     return const_cast<wchar_t*>(wmemchr(const_cast<const wchar_t*>(__p), __c, __n));
   }
   extern "C" int wmemcmp(const wchar_t*, const wchar_t*, size_t); 
-  //extern "C" int wmemcmp(wchar_t*, const wchar_t*, size_t); 
   extern "C" wchar_t* wmemcpy(wchar_t*, const wchar_t*, size_t); 
   extern "C" wchar_t* wmemmove(wchar_t*, const wchar_t*, size_t); 
   extern "C" wchar_t* wmemset(wchar_t*, wchar_t, size_t); 
   extern "C" size_t wcsftime(wchar_t*, size_t, const wchar_t*, const struct tm*); 
+}
 
-#if 0
-  // Full C99 listing
+#if _GLIBCPP_USE_C99
+namespace c99
+{
   extern "C" long double wcstold(const wchar_t*, wchar_t**); 
   extern "C" long long int wcstoll(const wchar_t*, wchar_t**, int); 
   extern "C" unsigned long long int wcstoull(const wchar_t*, wchar_t**, int); 
-#endif
 }
+#endif
+
 #endif //_GLIBCPP_USE_WCHAR_T
 
 #endif 
diff --git a/libstdc++-v3/testsuite/26_numerics/c99_macros.cc b/libstdc++-v3/testsuite/26_numerics/c99_macros.cc
index 6a8a3ea4b14..4fa586e004d 100644
--- a/libstdc++-v3/testsuite/26_numerics/c99_macros.cc
+++ b/libstdc++-v3/testsuite/26_numerics/c99_macros.cc
@@ -1,6 +1,6 @@
 // 2001-04-06 gdr
 
-// Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+// Copyright (C) 2001 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -29,7 +29,7 @@
 
 // { dg-do compile }
 
-#include <math.h>
+#include <cmath>
 
 void fpclassify() { }
 
@@ -55,7 +55,38 @@ void islessgreater() { }
 
 void isunordered() { }
 
+#if _GLIBCPP_USE_C99
+template <typename _Tp>
+  void test_c99_classify()
+  {
+    using namespace std;
+    test = bool;
+
+    typedef _Tp fp_type;
+    fp_type f1 = 1.0;
+    fp_type f2 = 3.0;
+    int res = 0;
+    
+    res = fpclassify(f1);
+    res = isfinite(f2);
+    res = isinf(f1);
+    res = isnan(f2);
+    res = isnormal(f1);
+    res = signbit(f2);
+    res = isgreater(f1, f2);
+    res = isgreaterequal(f1, f2);
+    res = isless(f1, f2);
+    res = islessequal(f1,f2);
+    res = islessgreater(f1, f2);
+    res = isunordered(f1, f2);
+  }
+#endif
+
 int main()
 {
+#if _GLIBCPP_USE_C99
+  test_c99_classify<float>();
+  test_c99_classify<double>();
+#endif
   return 0;
 }