r128982 - in /trunk: config/ChangeLog config/no...

Wed Oct 3 14:16:00 GMT 2007

Author: kazu
Date: Wed Oct  3 14:16:57 2007
New Revision: 128982

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128982
Log:
config/
	* no-executables.m4 (GCC_TRY_COMPILE_OR_LINK): New function.
	libstdc++-v3/

libstdc++/
	* acinclude.m4 (GLIBCXX_ENABLE_C99): Temporarily add
	-fno-exceptions to CXXFLAGS.  Use GCC_TRY_COMPILE_OR_LINK.
	Make the tests assign results to volatile variables.  Use -lm
	for link tests in GCC_TRY_COMPILE_OR_LINK.  Fall back to
	compile-only tests if -lm is not available.
	* configure: Regenerate.

Modified:
    trunk/config/ChangeLog
    trunk/config/no-executables.m4
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/acinclude.m4
    trunk/libstdc++-v3/configure