From e752227a4ce16dda44de1ca30797af2ec15982a7 Mon Sep 17 00:00:00 2001
From: Brian Aker <brian@tangent.org>
Date: Tue, 11 Oct 2011 17:04:45 -0700
Subject: [PATCH] Fix issue with m4 portability

---
 m4/ax_check_library.m4 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/m4/ax_check_library.m4 b/m4/ax_check_library.m4
index 13dcfd69..9b9d9db3 100644
--- a/m4/ax_check_library.m4
+++ b/m4/ax_check_library.m4
@@ -90,6 +90,6 @@ AC_DEFUN([AX_CHECK_LIBRARY], [
 
   AS_IF([test "$]AS_TR_SH([ax_cv_have_]$1)[" = "yes"],
     AC_DEFINE([HAVE_]$1, [1], [Define to 1 if ]$1[ is found])
-      m4_ifnblank([$4], [$4]),
-    m4_ifnblank([$5], [$5]))
+      m4_ifval(m4_normalize([$4]), [$4]),
+    m4_ifval(m4_normalize([$5]), [$5]))
 ])
-- 
2.30.2