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| author | Stefan Metzmacher <metze@samba.org> | 2006-03-07 10:16:03 +0000 |
|---|---|---|
| committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 13:52:23 -0500 |
| commit | f266ee7c28aa6ddf1571108a1a8a9b447ec1034c (patch) | |
| tree | 35ef4298aee1fe0a0afdc37156c884023ceb4ec5 /source4/build/m4/check_cc.m4 | |
| parent | 107f7b9efa960145019e16e2a0a626572b5ec2d0 (diff) | |
| download | samba-f266ee7c28aa6ddf1571108a1a8a9b447ec1034c.tar.gz samba-f266ee7c28aa6ddf1571108a1a8a9b447ec1034c.tar.bz2 samba-f266ee7c28aa6ddf1571108a1a8a9b447ec1034c.zip | |
r13917: fix detection of the visibility support,
as we don't use #pragma for the build don't use it for the configure test
and use -fvisibility=hidden in CFLAGS in the configure test
metze
(This used to be commit a0c543c0d6440627da594611fbff3ef1ab0d4251)
Diffstat (limited to 'source4/build/m4/check_cc.m4')
| -rw-r--r-- | source4/build/m4/check_cc.m4 | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/source4/build/m4/check_cc.m4 b/source4/build/m4/check_cc.m4 index 72a882b7d8..0a215ef802 100644 --- a/source4/build/m4/check_cc.m4 +++ b/source4/build/m4/check_cc.m4 @@ -117,22 +117,29 @@ AC_TRY_RUN([#include "${srcdir-.}/build/tests/trivial.c"], # visibility_attribute=no +VISIBILITY_CFLAGS="" if test x"$GCC" = x"yes" ; then - AX_CFLAGS_GCC_OPTION([-fvisibility=hidden], VISIBILITY_CFLAGS) + AX_CFLAGS_GCC_OPTION([-fvisibility=hidden], VISIBILITY_CFLAGS) fi if test -n "$VISIBILITY_CFLAGS"; then AC_MSG_CHECKING([whether the C compiler supports the visibility attribute]) + OLD_CFLAGS="$CFLAGS" + + CFLAGS="$CFLAGS $VISIBILITY_CFLAGS" AC_TRY_RUN([ - #pragma GCC visibility push(hidden) - void vis_foo1(void) {} - __attribute__((visibility("default"))) void vis_foo2(void) {} - #include "${srcdir-.}/build/tests/trivial.c" - ], [ + void vis_foo1(void) {} + __attribute__((visibility("default"))) void vis_foo2(void) {} + #include "${srcdir-.}/build/tests/trivial.c" + ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_VISIBILITY_ATTR,1,[Whether the C compiler supports the visibility attribute]) visibility_attribute=yes - ], [AC_MSG_RESULT(no);]) + ],[ + AC_MSG_RESULT(no) + VISIBILITY_CFLAGS="" + ]) + CFLAGS="$OLD_CFLAGS" fi AC_SUBST(visibility_attribute) |