From 3d130ada32fe8c36fa77f0ca2a535dc89141419f Mon Sep 17 00:00:00 2001
From: Michael Jeanson <mjeanson@efficios.com>
Date: Mon, 21 Aug 2017 16:56:05 -0400
Subject: [PATCH] Fix: support older pkg-config autoconf macros
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Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---
 configure.ac | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/configure.ac b/configure.ac
index 4c1b3159..3102dc72 100644
--- a/configure.ac
+++ b/configure.ac
@@ -630,6 +630,11 @@ LIBS="$LIBS $GLIB_LIBS"
 # glib.h is not platform specific but it includes glibconfig.h which is and
 # is usually installed in a non-standard path.
 
+# Older versions of the pkg-config macros disallows PKG_* in the autoconf
+# output. Specifically allow pkg_config_libdir to be able to print the
+# error message.
+m4_pattern_allow([PKG_CONFIG_LIBDIR])
+
 save_CFLAGS=${CFLAGS}
 CFLAGS="${CFLAGS} ${AM_CFLAGS}"
 AC_COMPILE_IFELSE([
-- 
2.34.1