gst-glib2.m4: export GLIB_EXTRA_CFLAGS to Makefile

So make GLIB_EXTRA_CFLAGS=... works

diff --git a/m4/gst-glib2.m4 b/m4/gst-glib2.m4
index bafba41..b01f02f 100644 (file)
--- a/m4/gst-glib2.m4
+++ b/m4/gst-glib2.m4
@@ -70,4 +70,6 @@ AC_DEFUN([AG_GST_GLIB_CHECK],
 
   dnl for the poor souls who for example have glib in /usr/local
   AS_SCRUB_INCLUDE(GLIB_CFLAGS)
+
+  AC_SUBST(GLIB_EXTRA_CFLAGS)
 ])