commit 2ab67a7591d7693bb726dd82795017c8c3f52d99
author Pawel Wieczorkiewicz <pwieczorkiewicz@suse.de> Fri Apr 01 12:54:38 2016 +0200
committer Paul Jakma <paul.jakma@hpe.com> Tue Sep 13 10:36:37 2016 +0100
tree 06b055b1e565c2e61f80f57d7a56dcb0af48b355
parent 811577eaede8b6a7ea6ba3731c82eed1c4d07500

build: detect and create AM_SILENT_RULES macro if needed

Older libs have problem with that:
configure.ac:17: warning: macro `AM_SILENT_RULES'
  not found in library
...
configure.ac:24: error: possibly undefined macro:
   AM_SILENT_RULES
Tested-by: NetDEF CI System <cisystem@netdef.org>

configure.ac

diff --git a/configure.ac b/configure.ac
index 35e4023..ec0351d 100755
--- a/configure.ac
+++ b/configure.ac
@@ -21,6 +21,8 @@
 AC_CANONICAL_TARGET()
 
 AM_INIT_AUTOMAKE(1.6)
+
+m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
 AM_SILENT_RULES([yes])
 AC_CONFIG_HEADERS(config.h)