2003-09-10 Michael Koch <konqueror@gmx.de>

	* acconfig.h (__NO_MATH_INLINES): Removed.
	* configure.in: Removed check for g++ math inlining bug from 2000.
	* configure.host: Removed -D__NO_MATH_INLINES in libgcj_cflags and
	libgcj_cxxflags.
	* configure: Regenerated.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@71276 138bc75d-0d04-0410-961f-82ee72b054a4

5 files changed, 81 insertions, 114 deletions

diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 11e054583b3..6bec6ed77d0 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,11 @@
+2003-09-10  Michael Koch  <konqueror@gmx.de>
+
+	* acconfig.h (__NO_MATH_INLINES): Removed.
+	* configure.in: Removed check for g++ math inlining bug from 2000.
+	* configure.host: Removed -D__NO_MATH_INLINES in libgcj_cflags and
+	libgcj_cxxflags.
+	* configure: Regenerated.
+
 2003-09-10  David Daney <ddaney@avtrex.com>
 
 	* java/util/Arrays.java (equals(all variants)): Quit using
diff --git a/libjava/acconfig.h b/libjava/acconfig.h
index 4a511d51f23..99b80a21a56 100644
--- a/libjava/acconfig.h
+++ b/libjava/acconfig.h
@@ -152,9 +152,6 @@
 /* Define if libltdl is in use.  */
 #undef USE_LTDL
 
-/* Define if g++ has a bug preventing us from inlining math routines.  */
-#undef __NO_MATH_INLINES
-
 /* Define if you have working iconv() function.  */
 #undef HAVE_ICONV
 
diff --git a/libjava/configure b/libjava/configure
index e4884e58b86..38e5ec1c565 100755
--- a/libjava/configure
+++ b/libjava/configure
@@ -7632,49 +7632,21 @@ cat >> confdefs.h <<EOF
 EOF
 
 
-echo $ac_n "checking for g++ -ffloat-store bug""... $ac_c" 1>&6
-echo "configure:7637: checking for g++ -ffloat-store bug" >&5
-save_CFLAGS="$CFLAGS"
-CFLAGS="-x c++ -O2 -ffloat-store"
-cat > conftest.$ac_ext <<EOF
-#line 7641 "configure"
-#include "confdefs.h"
-#include <math.h>
-int main() {
-
-; return 0; }
-EOF
-if { (eval echo configure:7648: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  echo "$ac_t""no" 1>&6
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  cat >> confdefs.h <<\EOF
-#define __NO_MATH_INLINES 1
-EOF
-
-   echo "$ac_t""yes" 1>&6
-fi
-rm -f conftest*
-CFLAGS="$save_CFLAGS"
-
 for ac_hdr in unistd.h bstring.h sys/time.h sys/types.h fcntl.h sys/ioctl.h sys/filio.h sys/stat.h sys/select.h sys/socket.h netinet/in.h arpa/inet.h netdb.h net/if.h pwd.h sys/config.h stdint.h langinfo.h locale.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:7668: checking for $ac_hdr" >&5
+echo "configure:7640: 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 7673 "configure"
+#line 7645 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7678: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7650: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7704,17 +7676,17 @@ for ac_hdr in dirent.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:7708: checking for $ac_hdr" >&5
+echo "configure:7680: 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 7713 "configure"
+#line 7685 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7718: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7690: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -7744,17 +7716,17 @@ for ac_hdr in inttypes.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:7748: checking for $ac_hdr" >&5
+echo "configure:7720: 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 7753 "configure"
+#line 7725 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7758: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7730: \"$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*
@@ -7790,12 +7762,12 @@ fi
 done
 
 echo $ac_n "checking for sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6
-echo "configure:7794: checking for sys/wait.h that is POSIX.1 compatible" >&5
+echo "configure:7766: checking for sys/wait.h that is POSIX.1 compatible" >&5
 if eval "test \"`echo '$''{'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7799 "configure"
+#line 7771 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -7811,7 +7783,7 @@ wait (&s);
 s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
 ; return 0; }
 EOF
-if { (eval echo configure:7815: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7787: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_sys_wait_h=yes
 else
@@ -7833,12 +7805,12 @@ fi
 
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:7837: checking for ANSI C header files" >&5
+echo "configure:7809: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7842 "configure"
+#line 7814 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -7846,7 +7818,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7850: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7822: \"$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*
@@ -7863,7 +7835,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 7867 "configure"
+#line 7839 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -7881,7 +7853,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 7885 "configure"
+#line 7857 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -7902,7 +7874,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 7906 "configure"
+#line 7878 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -7913,7 +7885,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:7917: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7889: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -7937,12 +7909,12 @@ EOF
 fi
 
 echo $ac_n "checking for ssize_t""... $ac_c" 1>&6
-echo "configure:7941: checking for ssize_t" >&5
+echo "configure:7913: checking for ssize_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_ssize_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7946 "configure"
+#line 7918 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -7971,9 +7943,9 @@ fi
 
 
 echo $ac_n "checking for in_addr_t""... $ac_c" 1>&6
-echo "configure:7975: checking for in_addr_t" >&5
+echo "configure:7947: checking for in_addr_t" >&5
 cat > conftest.$ac_ext <<EOF
-#line 7977 "configure"
+#line 7949 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -7987,7 +7959,7 @@ int main() {
 in_addr_t foo;
 ; return 0; }
 EOF
-if { (eval echo configure:7991: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7963: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_IN_ADDR_T 1
@@ -8003,16 +7975,16 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking whether struct ip_mreq is in netinet/in.h""... $ac_c" 1>&6
-echo "configure:8007: checking whether struct ip_mreq is in netinet/in.h" >&5
+echo "configure:7979: checking whether struct ip_mreq is in netinet/in.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 8009 "configure"
+#line 7981 "configure"
 #include "confdefs.h"
 #include <netinet/in.h>
 int main() {
 struct ip_mreq mreq;
 ; return 0; }
 EOF
-if { (eval echo configure:8016: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7988: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_STRUCT_IP_MREQ 1
@@ -8028,16 +8000,16 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking whether struct ipv6_mreq is in netinet/in.h""... $ac_c" 1>&6
-echo "configure:8032: checking whether struct ipv6_mreq is in netinet/in.h" >&5
+echo "configure:8004: checking whether struct ipv6_mreq is in netinet/in.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 8034 "configure"
+#line 8006 "configure"
 #include "confdefs.h"
 #include <netinet/in.h>
 int main() {
 struct ipv6_mreq mreq6;
 ; return 0; }
 EOF
-if { (eval echo configure:8041: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8013: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_STRUCT_IPV6_MREQ 1
@@ -8053,16 +8025,16 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking whether struct sockaddr_in6 is in netinet/in.h""... $ac_c" 1>&6
-echo "configure:8057: checking whether struct sockaddr_in6 is in netinet/in.h" >&5
+echo "configure:8029: checking whether struct sockaddr_in6 is in netinet/in.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 8059 "configure"
+#line 8031 "configure"
 #include "confdefs.h"
 #include <netinet/in.h>
 int main() {
 struct sockaddr_in6 addr6;
 ; return 0; }
 EOF
-if { (eval echo configure:8066: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8038: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_INET6 1
@@ -8078,9 +8050,9 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking for socklen_t in sys/socket.h""... $ac_c" 1>&6
-echo "configure:8082: checking for socklen_t in sys/socket.h" >&5
+echo "configure:8054: checking for socklen_t in sys/socket.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 8084 "configure"
+#line 8056 "configure"
 #include "confdefs.h"
 #define _POSIX_PII_SOCKET
 #include <sys/types.h>
@@ -8089,7 +8061,7 @@ int main() {
 socklen_t x = 5;
 ; return 0; }
 EOF
-if { (eval echo configure:8093: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8065: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_SOCKLEN_T 1
@@ -8105,16 +8077,16 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking for tm_gmtoff in struct tm""... $ac_c" 1>&6
-echo "configure:8109: checking for tm_gmtoff in struct tm" >&5
+echo "configure:8081: checking for tm_gmtoff in struct tm" >&5
 cat > conftest.$ac_ext <<EOF
-#line 8111 "configure"
+#line 8083 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 struct tm tim; tim.tm_gmtoff = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:8118: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8090: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define STRUCT_TM_HAS_GMTOFF 1
@@ -8127,16 +8099,16 @@ else
   rm -rf conftest*
   echo "$ac_t""no" 1>&6
    echo $ac_n "checking for global timezone variable""... $ac_c" 1>&6
-echo "configure:8131: checking for global timezone variable" >&5
+echo "configure:8103: checking for global timezone variable" >&5
                cat > conftest.$ac_ext <<EOF
-#line 8133 "configure"
+#line 8105 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 void i(){long z2 = 2*timezone;}
 ; return 0; }
 EOF
-if { (eval echo configure:8140: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8112: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_TIMEZONE 1
@@ -8149,16 +8121,16 @@ else
   rm -rf conftest*
   echo "$ac_t""no" 1>&6
        echo $ac_n "checking for global _timezone variable""... $ac_c" 1>&6
-echo "configure:8153: checking for global _timezone variable" >&5
+echo "configure:8125: checking for global _timezone variable" >&5
               cat > conftest.$ac_ext <<EOF
-#line 8155 "configure"
+#line 8127 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 long z2 = _timezone;
 ; return 0; }
 EOF
-if { (eval echo configure:8162: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8134: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_UNDERSCORE_TIMEZONE 1
@@ -8180,19 +8152,19 @@ rm -f conftest*
 # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
 # for constant arguments.  Useless!
 echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6
-echo "configure:8184: checking for working alloca.h" >&5
+echo "configure:8156: checking for working alloca.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8189 "configure"
+#line 8161 "configure"
 #include "confdefs.h"
 #include <alloca.h>
 int main() {
 char *p = alloca(2 * sizeof(int));
 ; return 0; }
 EOF
-if { (eval echo configure:8196: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8168: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_header_alloca_h=yes
 else
@@ -8213,12 +8185,12 @@ EOF
 fi
 
 echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:8217: checking for alloca" >&5
+echo "configure:8189: checking for alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8222 "configure"
+#line 8194 "configure"
 #include "confdefs.h"
 
 #ifdef __GNUC__
@@ -8246,7 +8218,7 @@ int main() {
 char *p = (char *) alloca(1);
 ; return 0; }
 EOF
-if { (eval echo configure:8250: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8222: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_func_alloca_works=yes
 else
@@ -8278,12 +8250,12 @@ EOF
 
 
 echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:8282: checking whether alloca needs Cray hooks" >&5
+echo "configure:8254: checking whether alloca needs Cray hooks" >&5
 if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8287 "configure"
+#line 8259 "configure"
 #include "confdefs.h"
 #if defined(CRAY) && ! defined(CRAY2)
 webecray
@@ -8308,12 +8280,12 @@ echo "$ac_t""$ac_cv_os_cray" 1>&6
 if test $ac_cv_os_cray = yes; then
 for ac_func in _getb67 GETB67 getb67; do
   echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8312: checking for $ac_func" >&5
+echo "configure:8284: 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 8317 "configure"
+#line 8289 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8336,7 +8308,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8340: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8312: \"$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
@@ -8363,7 +8335,7 @@ done
 fi
 
 echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:8367: checking stack direction for C alloca" >&5
+echo "configure:8339: checking stack direction for C alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8371,7 +8343,7 @@ else
   ac_cv_c_stack_direction=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 8375 "configure"
+#line 8347 "configure"
 #include "confdefs.h"
 find_stack_direction ()
 {
@@ -8390,7 +8362,7 @@ main ()
   exit (find_stack_direction() < 0);
 }
 EOF
-if { (eval echo configure:8394: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:8366: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_stack_direction=1
 else
@@ -8415,17 +8387,17 @@ for ac_hdr in unistd.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:8419: checking for $ac_hdr" >&5
+echo "configure:8391: 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 8424 "configure"
+#line 8396 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8429: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:8401: \"$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*
@@ -8454,12 +8426,12 @@ done
 for ac_func in getpagesize
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8458: checking for $ac_func" >&5
+echo "configure:8430: 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 8463 "configure"
+#line 8435 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8482,7 +8454,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8486: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8458: \"$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
@@ -8507,7 +8479,7 @@ fi
 done
 
 echo $ac_n "checking for working mmap""... $ac_c" 1>&6
-echo "configure:8511: checking for working mmap" >&5
+echo "configure:8483: checking for working mmap" >&5
 if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8515,7 +8487,7 @@ else
   ac_cv_func_mmap_fixed_mapped=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 8519 "configure"
+#line 8491 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Haertel and Jim Avera for this test.
@@ -8655,7 +8627,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:8659: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:8631: \"$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
@@ -8683,7 +8655,7 @@ 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:8687: checking for $ac_word" >&5
+echo "configure:8659: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_PERL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
diff --git a/libjava/configure.host b/libjava/configure.host
index 6db9cd3216c..d6935c38e55 100644
--- a/libjava/configure.host
+++ b/libjava/configure.host
@@ -89,8 +89,8 @@ case "${host}" in
 	sysdeps_dir=i386
 	libgcj_flags="${libgcj_flags} -ffloat-store"
 	libgcj_interpreter=yes
-	libgcj_cxxflags="-D__NO_MATH_INLINES"
-	libgcj_cflags="-D__NO_MATH_INLINES"
+	libgcj_cxxflags=
+	libgcj_cflags=
 	DIVIDESPEC=-fno-use-divide-subroutine
 	enable_hash_synchronization_default=yes
 	slow_pthread_self=yes
@@ -99,8 +99,8 @@ case "${host}" in
 	CHECKREFSPEC="%{m32:-fcheck-references}"
 	sysdeps_dir=x86-64
 	libgcj_flags="${libgcj_flags} -ffloat-store -fno-omit-frame-pointer"
-	libgcj_cxxflags="-D__NO_MATH_INLINES"
-	libgcj_cflags="-D__NO_MATH_INLINES"
+	libgcj_cxxflags=
+	libgcj_cflags=
 	enable_hash_synchronization_default=yes
 	slow_pthread_self=yes
 	libgcj_interpreter=yes
diff --git a/libjava/configure.in b/libjava/configure.in
index d7871201547..1c9c397fbb8 100644
--- a/libjava/configure.in
+++ b/libjava/configure.in
@@ -955,16 +955,6 @@ GCJVERSION=$gcjversion
 AC_SUBST(GCJVERSION)
 AC_DEFINE_UNQUOTED(GCJVERSION, "$GCJVERSION", [Short GCJ version ID])
 
-dnl Work around a g++ bug.  Reported to gcc-bugs@gcc.gnu.org on Jan 22, 2000.
-AC_MSG_CHECKING([for g++ -ffloat-store bug])
-save_CFLAGS="$CFLAGS"
-CFLAGS="-x c++ -O2 -ffloat-store"
-AC_TRY_COMPILE([#include <math.h>], , 
-  [AC_MSG_RESULT(no)],
-  [AC_DEFINE(__NO_MATH_INLINES)
-   AC_MSG_RESULT(yes)])
-CFLAGS="$save_CFLAGS"
-
 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
 dnl BSD_COMP is defined; just including sys/filio.h is simpler.