* acinclude.m4 (GLIBCXX_CHECK_SYSTEM_ERROR): Add EOVERFLOW for Tru64.

	* configure: Regenerate.
	* config/os/generic/error_constants.h: Guard.
	* testsuite/19_diagnostics/headers/system_error/
	types_std_c++0x.cc: Same.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@129245 138bc75d-0d04-0410-961f-82ee72b054a4

5 files changed, 91 insertions, 1 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index f5e60e8529c..56414255cc7 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,11 @@
+2007-10-11  Roger Sayle  <roger@eyesopen.com>
+
+	* acinclude.m4 (GLIBCXX_CHECK_SYSTEM_ERROR): Add EOVERFLOW for Tru64.
+	* configure: Regenerate.
+	* config/os/generic/error_constants.h: Guard.
+	* testsuite/19_diagnostics/headers/system_error/
+	types_std_c++0x.cc: Same.
+
 2007-10-11  Benjamin Kosnik  <bkoz@redhat.com>
 
 	Convert ext/hash_map, set to tr1/functional, tr1/unordered_map, set.
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index 4fb4af3879d..2ca902fcd83 100644
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -1410,6 +1410,16 @@ AC_DEFUN([GLIBCXX_CHECK_SYSTEM_ERROR], [
   if test x"$ac_system_error_11" = x"yes"; then
     AC_DEFINE(HAVE_ECANCELED, 1, [Define if ECANCELED exists.])
   fi
+
+  AC_MSG_CHECKING([for EOVERFLOW])
+  AC_CACHE_VAL(ac_system_error_12, [
+  AC_TRY_COMPILE([#include <errno.h>], [ int i = EOVERFLOW; ],
+             [ac_system_error_12=yes], [ac_system_error_12=no])
+  ])
+  AC_MSG_RESULT($ac_system_error_12)
+  if test x"$ac_system_error_12" = x"yes"; then
+    AC_DEFINE(HAVE_EOVERFLOW, 1, [Define if EOVERFLOW exists.])
+  fi
 ])
 
 dnl
diff --git a/libstdc++-v3/config/os/generic/error_constants.h b/libstdc++-v3/config/os/generic/error_constants.h
index d13b7ff3e8b..d3a9688a856 100644
--- a/libstdc++-v3/config/os/generic/error_constants.h
+++ b/libstdc++-v3/config/os/generic/error_constants.h
@@ -151,7 +151,11 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
       too_many_files_open = 			EMFILE,
       too_many_links = 				EMLINK,
       too_many_synbolic_link_levels = 		ELOOP,
+
+#ifdef _GLIBCXX_HAVE_EOVERFLOW
       value_too_large = 			EOVERFLOW,
+#endif
+
       wrong_protocol_type = 			EPROTOTYPE,
       no_posix_equivalent = 1L << 16
     };
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index d224ffc784e..05337f9f354 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -17672,6 +17672,70 @@ _ACEOF
 
   fi
 
+  echo "$as_me:$LINENO: checking for EOVERFLOW" >&5
+echo $ECHO_N "checking for EOVERFLOW... $ECHO_C" >&6
+  if test "${ac_system_error_12+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <errno.h>
+int
+main ()
+{
+ int i = EOVERFLOW;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_system_error_12=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_system_error_12=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+
+  echo "$as_me:$LINENO: result: $ac_system_error_12" >&5
+echo "${ECHO_T}$ac_system_error_12" >&6
+  if test x"$ac_system_error_12" = x"yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_EOVERFLOW 1
+_ACEOF
+
+  fi
+
 
 # No surprises, no surprises...
 
@@ -17714,7 +17778,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
   # Fake what AC_TRY_COMPILE does.  XXX Look at redoing this new-style.
     cat > conftest.$ac_ext << EOF
-#line 17717 "configure"
+#line 17781 "configure"
 int main()
 {
   // NB: _Atomic_word not necessarily int.
diff --git a/libstdc++-v3/testsuite/19_diagnostics/headers/system_error/types_std_c++0x.cc b/libstdc++-v3/testsuite/19_diagnostics/headers/system_error/types_std_c++0x.cc
index 47e24d937b6..356b5074ff7 100644
--- a/libstdc++-v3/testsuite/19_diagnostics/headers/system_error/types_std_c++0x.cc
+++ b/libstdc++-v3/testsuite/19_diagnostics/headers/system_error/types_std_c++0x.cc
@@ -145,6 +145,10 @@ namespace gnu
   using std::too_many_files_open; 
   using std::too_many_links; 	
   using std::too_many_synbolic_link_levels; 
+
+#ifdef _GLIBCXX_HAVE_EOVERFLOW
   using std::value_too_large; 
+#endif
+
   using std::wrong_protocol_type;
 }