config.h.in: Rebuilt.

	* include/config.h.in: Rebuilt.
	* acconfig.h: Add undef for __NO_MATH_INLINES.
	* configure: Rebuilt.
	* configure.in: Add test for `g++ -O2 -ffloat-store' bug.

From-SVN: r31566

libjava/acconfig.h

@@ -131,3 +131,6 @@
 
 /* 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

libjava/configure.in

@@ -624,6 +624,16 @@ AC_MSG_RESULT($use_fuse)
 
 AC_SUBST(AM_RUNTESTFLAGS)
 
+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.

libjava/include/config.h.in

@@ -149,6 +149,9 @@
 /* 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 the access function.  */
 #undef HAVE_ACCESS