From 57ec362325a9b58d719c834d06653cfa7e2aa894 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 7 Aug 2015 18:09:17 -0700
Subject: [PATCH] Add /opt/X11/include to X search path

* lib/autoconf/libs.m4 (_AC_PATH_X_DIRECT):
Add /opt/X11/include for OS X.
Problem reported by Daniel Macks at:
http://lists.gnu.org/archive/html/bug-autoconf/2015-08/msg00002.html
---
 lib/autoconf/libs.m4 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/autoconf/libs.m4 b/lib/autoconf/libs.m4
index eab753c5..d2040d73 100644
--- a/lib/autoconf/libs.m4
+++ b/lib/autoconf/libs.m4
@@ -238,6 +238,8 @@ ac_x_header_dirs='
 /usr/local/include/X11R5
 /usr/local/include/X11R4
 
+/opt/X11/include
+
 /usr/X386/include
 /usr/x386/include
 /usr/XFree86/include/X11