From 9e741d3e8f1def567acb24cefc18bca6919166be Mon Sep 17 00:00:00 2001
From: graham.gower <graham.gower@e8e0d7a0-c8d9-11dd-a880-a1081c7ac358>
Date: Thu, 05 Nov 2009 19:41:31 -0500
Subject: I hate autotools.

If the first call to PKG_CHECK_MODULES() may not occur, then the macro does
something really really stupid: it sets PKG_CONFIG="". Thus subsequent calls
will fail and tell you that pkg-config cannot be found or is too old.

git-svn-id: http://opkg.googlecode.com/svn/trunk@264 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358
---
diff --git a/configure.ac b/configure.ac
index df58817..16e49cb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,6 +26,7 @@ AC_PROG_INSTALL
 AC_PROG_LN_S
 AM_PROG_INSTALL_STRIP
 AC_PROG_LIBTOOL
+PKG_PROG_PKG_CONFIG([0.20])
 
 # Checks for libraries
 
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