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Diffstat (limited to 'm4/visibility_hidden.m4')
| -rw-r--r-- | m4/visibility_hidden.m4 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/m4/visibility_hidden.m4 b/m4/visibility_hidden.m4 index 808a8e3..dbd57d4 100644 --- a/m4/visibility_hidden.m4 +++ b/m4/visibility_hidden.m4 @@ -32,5 +32,9 @@ EOF ]) if test $libc_cv_visibility_attribute = yes; then AC_DEFINE(HAVE_VISIBILITY_ATTRIBUTE, [], [GCC supports visibility attributes]) + AC_DEFINE(EXPORT, [__attribute__ ((visibility ("default"))) extern], [Visibility attribute for API symbols]) + CFLAGS="${CFLAGS} -fvisibility=hidden" + else + AC_DEFINE(EXPORT, [extern], [Visibility attribute for API symbols]) fi ]) |