From: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
Date: Thu, 31 Dec 2015 01:37:15 +0000 (+0900)
Subject: * configure.ac: Find libxml2 headers in Xcode SDK dir on Darwin.
X-Git-Tag: emacs-25.0.90~313
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=89e7483d9f30153329335b6b8cd97d96a06a8897;p=emacs.git

* configure.ac: Find libxml2 headers in Xcode SDK dir on Darwin.
---

diff --git a/configure.ac b/configure.ac
index 4233efa3590..9c783e66fcd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3615,6 +3615,14 @@ if test "${with_xml2}" != "no"; then
   # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
   if test "${HAVE_LIBXML2}" != "yes" && test "$opsys" = "darwin"; then
     SAVE_CPPFLAGS="$CPPFLAGS"
+    if test -z "$xcsdkdir" -a -n "$XCRUN" -a ! -d /usr/include; then
+      dnl /usr/include is not found.  Try Xcode SDK dir if it is sane.
+      xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
+      case $xcsdkdir in
+	*[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
+	xcsdkdir="" ;;
+      esac
+    fi
     CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
     AC_CHECK_HEADER(libxml/HTMLparser.h,
       [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,