>From d503c59dc903cfb5129d566698016c1bb0398c96 Mon Sep 17 00:00:00 2001
From: Alan Third <address@hidden>
Date: Thu, 17 Oct 2019 10:22:20 +0100
Subject: [PATCH] Allow configure to find libxml2 installed by homebrew

* configure.ac: Add Homebrew provided .pc file to PKG_CONFIG_PATH.
---
 configure.ac | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/configure.ac b/configure.ac
index 33d725c804..62ab35ab5a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4041,6 +4041,11 @@ AC_DEFUN
 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
 HAVE_LIBXML2=no
 if test "${with_xml2}" != "no"; then
+  if test -n "$BREW"; then
+    # Makesure pkg-config can find any version installed by homebrew.
+    export PKG_CONFIG_PATH="$PKG_CONFIG_PATH$PATH_SEPARATOR`$BREW --prefix libxml2 2>/dev/null`/lib/pkgconfig"
+  fi
+
   ### I'm not sure what the version number should be, so I just guessed.
   EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
   # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
-- 
2.21.0