AM_INIT_AUTOMAKE
AM_CONFIG_HEADER([config.h])
+dnl Check for __attribute__((visibility()))
+AC_CACHE_CHECK([whether __attribute__((visibility())) is supported],
+ vaapi_cv_visibility_attribute,
+ [cat > conftest.c <<EOF
+int foo __attribute__ ((visibility ("hidden"))) = 1;
+int bar __attribute__ ((visibility ("protected"))) = 1;
+EOF
+ vaapi_cv_visibility_attribute=no
+ if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
+ if grep '\.hidden.*foo' conftest.s >/dev/null; then
+ if grep '\.protected.*bar' conftest.s >/dev/null; then
+ vaapi_cv_visibility_attribute=yes
+ fi
+ fi
+ fi
+ rm -f conftest.[cs]
+])
+if test $vaapi_cv_visibility_attribute = yes; then
+ vaapi_cv_visibility_attribute_hidden="__attribute__((visibility(\"hidden\")))"
+else
+ vaapi_cv_visibility_attribute_hidden=""
+fi
+AC_DEFINE_UNQUOTED([attribute_hidden],
+ [$vaapi_cv_visibility_attribute_hidden],
+ [Define the "hidden" visibility attribute])
+
dnl Versions for GStreamer and plugins-base
GST_MAJORMINOR=gst_major_minor_version
GST_VERSION_REQUIRED=gst_version