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--- glib-2.16.3/configure.in.orig 2008-05-21 17:11:07.349378569 +0100
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+++ glib-2.16.3/configure.in 2008-05-21 17:14:23.829557880 +0100
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@@ -815,6 +815,28 @@
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return 0;
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}
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],g_have_gnuc_visibility=yes,g_have_gnuc_visibility=no)
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+# Check if the compiler supports __attribute((alias(...)) for variables
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+# Sun Studio 12 has gcc style visibility but does not support aliases
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+# for variables and breaks the build (Bug 528506)
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+if test "$g_have_gnuc_visibility" = yes ; then
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+AC_MSG_CHECKING(if the compiler supports aliases for variables)
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+GLIB_CHECK_COMPILE_WARNINGS([
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+extern const int * const foo;
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+
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+static int real_foo;
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+
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+extern __typeof (foo) foo_alias __attribute((visibility("hidden")));
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+
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+const int * const foo_alias = &real_foo;
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+
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+extern __typeof (foo) foo __attribute((alias("foo_alias"),
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+visibility("default")));
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+
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+int main () {
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+ int i = *foo;
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+}
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+],g_have_gnuc_visibility=yes,g_have_gnuc_visibility=no)
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+fi
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AC_MSG_RESULT($g_have_gnuc_visibility)
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AM_CONDITIONAL(HAVE_GNUC_VISIBILITY, [test x$g_have_gnuc_visibility = xyes])
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