From 3f44bd504a055e863629e930c72028899f818a3d Mon Sep 17 00:00:00 2001
From: Victor Julien <victor@inliniac.net>
Date: Thu, 19 Feb 2015 10:29:14 +0100
Subject: [PATCH] CentOS 5.11 pkg-config fix

Check for the minimal pkg-config 0.21 version. Without it, CentOS'
pkg-config will fail with the warning:

configure: error: The pkg-config script could not be found or is too old.
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 0cbba44771..ec2941ce87 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,6 +11,7 @@
     AC_LANG_C
     AC_PROG_CC_C99
     AC_PROG_LIBTOOL
+    PKG_PROG_PKG_CONFIG(0.21) # 0.21 is the CentOS 5.11 version
 
     AC_DEFUN([FAIL_MESSAGE],[
             echo