20216N/A--- glib-2.16.3/configure.ac.orig 2008-05-21 17:11:07.349378569 +0100

20216N/A+++ glib-2.16.3/configure.ac 2008-05-21 17:14:23.829557880 +0100

20778N/A@@ -878,6 +878,28 @@ int main (int argc, char **argv)

13088N/A return 0;

13088N/A }

20778N/A ]])],g_have_gnuc_visibility=yes,g_have_gnuc_visibility=no)

13088N/A+# Check if the compiler supports __attribute((alias(...)) for variables

13088N/A+# Sun Studio 12 has gcc style visibility but does not support aliases

13088N/A+# for variables and breaks the build (Bug 528506)

13088N/A+if test "$g_have_gnuc_visibility" = yes ; then

13088N/A+AC_MSG_CHECKING(if the compiler supports aliases for variables)

13088N/A+GLIB_CHECK_COMPILE_WARNINGS([

13088N/A+extern const int * const foo;

13088N/A+

13088N/A+static int real_foo;

13088N/A+

13088N/A+extern __typeof (foo) foo_alias __attribute((visibility("hidden")));

13088N/A+

13088N/A+const int * const foo_alias = &real_foo;

13088N/A+

13088N/A+extern __typeof (foo) foo __attribute((alias("foo_alias"),

13088N/A+visibility("default")));

13088N/A+

13088N/A+int main () {

13088N/A+ int i = *foo;

13088N/A+}

13088N/A+],g_have_gnuc_visibility=yes,g_have_gnuc_visibility=no)

13088N/A+fi

13088N/A AC_MSG_RESULT($g_have_gnuc_visibility)

13088N/A AM_CONDITIONAL(HAVE_GNUC_VISIBILITY, [test x$g_have_gnuc_visibility = xyes])

13088N/A