From b46a806cb91a758fc5b135c8ec56fa138d44a98e Mon Sep 17 00:00:00 2001
From: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: Sat, 6 Apr 2013 11:38:17 +0200
Subject: [PATCH] acinclude: workaround for packages with empty FOO_CFLAGS

should probably be fixed differently but works for now ;-)
---
 acinclude.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/acinclude.m4 b/acinclude.m4
index 2c6d9e519..b5e2bae2f 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -278,7 +278,7 @@ AC_SUBST($1_LIBS)
 
 AC_DEFUN([TUXBOX_APPS_LIB_PKGCONFIG],[
 _TUXBOX_APPS_LIB_PKGCONFIG($1,$2)
-if test -z "$$1_CFLAGS" ; then
+if test -z "$$1_CFLAGS" && test -z "$$1_LIBS"; then
 	AC_MSG_ERROR([could not find package $2]);
 fi
 ])