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| author | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-10-03 14:16:57 +0000 |
|---|---|---|
| committer | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-10-03 14:16:57 +0000 |
| commit | 757228f319bd4f9f90d17e224b36ffa632c1bed3 (patch) | |
| tree | 5cd207e557ef35d5ff0fb9416fe61097d15d6d8d /config/no-executables.m4 | |
| parent | 07cc3a26eae15a67863804d2113f8184f475a823 (diff) | |
| download | gcc-757228f319bd4f9f90d17e224b36ffa632c1bed3.tar.gz | |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128982 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'config/no-executables.m4')
| -rw-r--r-- | config/no-executables.m4 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/config/no-executables.m4 b/config/no-executables.m4 index 54e5a024288..c4d0b70c375 100644 --- a/config/no-executables.m4 +++ b/config/no-executables.m4 @@ -59,3 +59,11 @@ fi) m4_divert_pop()dnl ])# GCC_NO_EXECUTABLES + +# Use the strongest available test out of AC_TRY_COMPILE and AC_TRY_LINK. +AC_DEFUN([GCC_TRY_COMPILE_OR_LINK], +[if test x$gcc_no_link = xyes; then + AC_TRY_COMPILE([$1], [$2], [$3], [$4]) +else + AC_TRY_LINK([$1], [$2], [$3], [$4]) +fi]) |