[vlc-devel] [PATCH 2/6] configure: add check for attributes

[Filip Roséen]

---
 configure.ac | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/configure.ac b/configure.ac
index 5387d71301..c2af1bd93e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1099,6 +1099,14 @@ AC_CACHE_CHECK([if linker supports -z,defs], [ac_cv_ld_z_defs], [
 ])
 AS_IF([test "${ac_cv_ld_z_defs}" = "no"], [VLC_RESTORE_FLAGS])
 
+dnl
+dnl Conditionally create define if attribute is available
+dnl
+AM_ATTRIBUTE_FN_COND_DEFINE([unused], [HAVE_ATTRIBUTE_UNUSED])
+AM_ATTRIBUTE_FN_COND_DEFINE([error("")], [HAVE_ATTRIBUTE_ERROR])
+AM_ATTRIBUTE_FN_COND_DEFINE([warning("")], [HAVE_ATTRIBUTE_WARNING])
+AM_ATTRIBUTE_FN_COND_DEFINE([noinline], [HAVE_ATTRIBUTE_NOINLINE])
+
 dnl Checks for __attribute__(aligned()) directive
 VLC_SAVE_FLAGS
 CFLAGS="${CFLAGS} -Werror"
-- 
2.11.1