From a7f7e547d6d011b895cb90ec7963fa05aa7fd21a Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sat, 28 Dec 2013 23:15:01 -0800
Subject: [PATCH] * configure.ac (LIBXML2_CFLAGS): Fix xcrun-related quoting
 problem.

Reported by YAMAMOTO Mitsuharu in:
http://lists.gnu.org/archive/html/emacs-devel/2013-12/msg00995.html
---
 ChangeLog    | 6 ++++++
 configure.ac | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index ba555fc716..aeebb19684 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2013-12-29  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* configure.ac (LIBXML2_CFLAGS): Fix xcrun-related quoting problem.
+	Reported by YAMAMOTO Mitsuharu in:
+	http://lists.gnu.org/archive/html/emacs-devel/2013-12/msg00995.html
+
 2013-12-28  Jan Djärv  <jan.h.d@swipnet.se>
 
 	* configure.ac: Fix CC detection for xcrun case.
diff --git a/configure.ac b/configure.ac
index cf4ca9814e..92741443fe 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3296,7 +3296,7 @@ if test "${with_xml2}" != "no"; then
   # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
   if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
     SAVE_CPPFLAGS="$CPPFLAGS"
-    CPPFLAGS="$CPPFLAGS -I'$xcsdkdir/usr/include/libxml2'"
+    CPPFLAGS=$CPPFLAGS' -I"$xcsdkdir"/usr/include/libxml2'
     AC_CHECK_HEADER(libxml/HTMLparser.h,
       [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
       		     [#include <libxml/HTMLparser.h>])])
-- 
2.20.1