commit b730b64bbecfb325e28f7df1fba46942ac19968d
from: Alexander Barton <alex@barton.de>
date: Mon Sep 24 18:56:24 2012 UTC

configure: only use AM_PROG_AR when available

This fixes commit 78d189fb on systems with older automake ...

commit - 3e22fc32f3941ef839b570043283c53eea37470a
commit + b730b64bbecfb325e28f7df1fba46942ac19968d
blob - 3ac56c44bf6a044a3d5053d935914a12e8cbdfe4
blob + 8b47ad15dfdded9638be714f46df4b150c099522
--- configure.ng
+++ configure.ng
@@ -60,7 +60,8 @@ AC_PROG_CC_STDC
 
 # -- Helper programs --
 
-AM_PROG_AR
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
+
 AC_PROG_AWK
 AC_PROG_INSTALL
 AC_PROG_LN_S