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commit 8d0004cbd40305114bbe8019122319b43d25a772
Author: Gwenole Beauchesne <gbeauchesne@splitted-desktop.com>
Date: Tue Sep 8 12:34:39 2009 +0000
Fix ATTRIBUTE_HIDDEN definition if __attribute__((visibility("hidden"))) is not supported.
commit 7a8bf489ffd436d853364dd0d3c9a6734b8cc7eb
Author: Gwenole Beauchesne <gbeauchesne@splitted-desktop.com>
Date: Thu Sep 3 15:46:37 2009 +0000
Check for __attribute__((visibility("hidden"))).
diff --git a/configure.ac b/configure.ac
index da96872..abef435 100644
--- a/configure.ac
+++ b/configure.ac
@@ -132,6 +132,30 @@ if test x$enable_i965_driver = xyes && ! $PKG_CONFIG --atleast-version=2.4 libdr
fi
AM_CONDITIONAL(BUILD_I965_DRIVER, test x$enable_i965_driver = xyes)
+dnl Check for __attribute__((visibility()))
+AC_CACHE_CHECK([whether __attribute__((visibility())) is supported],
+ libva_cv_visibility_attribute,
+ [cat > conftest.c <<EOF
+int foo __attribute__ ((visibility ("hidden"))) = 1;
+int bar __attribute__ ((visibility ("protected"))) = 1;
+EOF
+ libva_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
+ libva_cv_visibility_attribute=yes
+ fi
+ fi
+ fi
+ rm -f conftest.[cs]
+])
+ATTRIBUTE_HIDDEN=""
+if test $libva_cv_visibility_attribute = yes; then
+ ATTRIBUTE_HIDDEN="__attribute__((visibility(\"hidden\")))"
+fi
+AC_DEFINE_UNQUOTED([ATTRIBUTE_HIDDEN], [$ATTRIBUTE_HIDDEN],
+ [Defined to __attribute__((visibility("hidden"))) when available])
+
# We only need the headers, we don't link against the DRM libraries
LIBVA_CFLAGS="$DRM_CFLAGS"
AC_SUBST(LIBVA_CFLAGS)
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