From 94ea9adcef0f4e565bcc75e7a460c80e41a9de16 Mon Sep 17 00:00:00 2001
From: Amos Jeffries <squid3@treenet.co.nz>
Date: Mon, 6 Dec 2010 06:04:00 -0700
Subject: [PATCH] FreeBSD: search /usr/local/include/libxml2 for libxml2
 headers

---
 configure.ac | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index a3f94cbebf..564b80c8cd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -826,16 +826,26 @@ AC_ARG_WITH(libxml2, AS_HELP_STRING([--without-libxml2],[Do not use libxml2 for
 if test "x$squid_opt_use_esi" = "xyes" -a "x$with_libxml2" != "xno" ; then
   AC_CHECK_LIB([xml2], [main], [XMLLIB="-lxml2"; HAVE_LIBXML2=1])
   dnl Find the main header and include path...
+  ac_cv_libxml2_include='no'
   AC_CHECK_HEADERS([libxml/parser.h], [], [
+      AC_MSG_NOTICE([Testing in /usr/include/libxml2])
       SAVED_CPPFLAGS="$CPPFLAGS"
       CPPFLAGS="-I/usr/include/libxml2 $CPPFLAGS"
       unset ac_cv_header_libxml_parser_h
-      AC_CHECK_HEADERS([libxml/parser.h], [ac_cv_libxml2_include=yes], [])
+      AC_CHECK_HEADERS([libxml/parser.h], [ac_cv_libxml2_include="/usr/include/libxml2"], [])
       CPPFLAGS="$SAVED_CPPFLAGS"
+      if test "x$ac_cv_libxml2_include" = "xno"; then
+          AC_MSG_NOTICE([Testing in /usr/local/include/libxml2])
+          SAVED_CPPFLAGS="$CPPFLAGS"
+          CPPFLAGS="-I/usr/local/include/libxml2 $CPPFLAGS"
+          unset ac_cv_header_libxml_parser_h
+          AC_CHECK_HEADERS([libxml/parser.h], [ac_cv_libxml2_include="/usr/local/include/libxml2"], [])
+          CPPFLAGS="$SAVED_CPPFLAGS"
+      fi
       ])
-  if test "x$ac_cv_libxml2_include" = "xyes"; then
-      SQUID_CXXFLAGS="-I/usr/include/libxml2 $SQUID_CXXFLAGS"
-      CPPFLAGS="-I/usr/include/libxml2 $CPPFLAGS"
+  if test "x$ac_cv_libxml2_include" != "xno"; then
+      SQUID_CXXFLAGS="-I$ac_cv_libxml2_include $SQUID_CXXFLAGS"
+      CPPFLAGS="-I$ac_cv_libxml2_include $CPPFLAGS"
   fi
   dnl Now that we know where to look find the other headers...
   AC_CHECK_HEADERS(libxml/HTMLparser.h libxml/HTMLtree.h)
-- 
2.47.2