From e33024ef319f71aa173eca716bb1ffa6bfb47ea8 Mon Sep 17 00:00:00 2001
From: Darren Salt <linux@youmustbejoking.demon.co.uk>
Date: Sun, 6 Dec 2009 14:41:26 +0000
Subject: Fix XShm detection in the absence of pkgconfig or x11.pc.

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 5317a4be1..c3270fec4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -538,7 +538,7 @@ if test "x$with_x" != "xno"; then
         ac_save_CPPFLAGS="$CPPFLAGS"
         CPPFLAGS="$CPPFLAGS $X_CFLAGS"
         AC_CHECK_HEADERS([X11/extensions/XShm.h], [true],
-  		   [AC_MSG_ERROR([XShm extension is required])])
+  		   [AC_MSG_ERROR([XShm extension is required])], [[#include <X11/Xlib.h>]])
 	AC_CHECK_LIB([Xext], [main], [true],
 	           [AC_MSG_ERROR([libXext is required])], [$X_LIBS])
         CPPFLAGS="$ac_save_CPPFLAGS"
-- 
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