[Lksctp-developers] [PATCH] do not returns an error if AM_SILENT_RULES does not exist

[Nicolas D. <nic...@6w...>]

On my host:
./bootstrap
+ libtoolize --force --copy
libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, `bin'.
libtoolize: copying file `bin/ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIR, `m4'.
libtoolize: copying file `m4/libtool.m4'
libtoolize: copying file `m4/ltoptions.m4'
libtoolize: copying file `m4/ltsugar.m4'
libtoolize: copying file `m4/ltversion.m4'
libtoolize: copying file `m4/lt~obsolete.m4'
+ aclocal
configure.ac:23: warning: macro `AM_SILENT_RULES' not found in library
+ autoheader
+ automake --foreign --add-missing --copy
+ autoconf
configure.ac:23: error: possibly undefined macro: AM_SILENT_RULES
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.

Signed-off-by: Nicolas Dichtel <nic...@6w...>
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 937c0c2..bcfd1fd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,6 +20,7 @@ AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR([m4])
 AC_REVISION($Revision: 1.1.1.2 $)
 AM_INIT_AUTOMAKE
+m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
 AM_SILENT_RULES([yes])
 
 dnl Set defaults
-- 
1.8.2.1