--- libX11-1.6.3.orig/src/util/Makefile.in	2015-03-09 23:29:02.000000000 +0100
+++ libX11-1.6.3/src/util/Makefile.in	2016-01-08 10:43:16.257572082 +0100
@@ -348,9 +348,7 @@ target_alias = @target_alias@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-AM_CFLAGS = \
-	$(X11_CFLAGS) \
-	$(CWARNFLAGS)
+AM_CFLAGS = 
 
 AM_CPPFLAGS = \
 	-I$(top_srcdir)/include