Provide the --enable-silent-rules ./configure option with automake 1.11 and 1.12

diff --git a/configure.in b/configure.in
index 9a00b62..c287d5d 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -21,6 +21,7 @@
 
 AC_INIT([strongSwan],[5.0.4])
 AM_INIT_AUTOMAKE(tar-ustar)
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
 AC_CONFIG_MACRO_DIR([m4/config])
 AC_CONFIG_HEADERS([config.h])
 AC_DEFINE([CONFIG_H_INCLUDED], [], [defined if config.h included])