From 2d054e0e6901a1cfbe396f30d9899da46ff533d9 Mon Sep 17 00:00:00 2001
From: Christophe Fergeau <cfergeau@redhat.com>
Date: Tue, 30 Jun 2015 11:38:20 +0200
Subject: m4: Add compat AS_VAR_APPEND for older autoconf

This causes failures on EL6 otherwise as autoconf is too old there.
---
 m4/spice-deps.m4 | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'm4')

diff --git a/m4/spice-deps.m4 b/m4/spice-deps.m4
index df35a92..68dec42 100644
--- a/m4/spice-deps.m4
+++ b/m4/spice-deps.m4
@@ -1,3 +1,8 @@
+# For autoconf < 2.63
+m4_ifndef([AS_VAR_APPEND],
+          AC_DEFUN([AS_VAR_APPEND], $1=$$1$2))
+
+
 # SPICE_CHECK_SYSDEPS()
 # ---------------------
 # Checks for header files and library functions needed by spice-common.
-- 
cgit v1.2.3