build: Require Automake 1.11.2 or later.

* configure.ac: Require Automake 1.11.2 or later.
  Reported by Sjoerd van Leent Privé <svanleent@gmail.com>
  in <http://bugs.gnu.org/13117>.

diff --git a/configure.ac b/configure.ac
index be20b8c..783af3e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -35,8 +35,8 @@ AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR(GUILE-VERSION)
 
-dnl `AM_SUBST_NOTMAKE' was introduced in Automake 1.11.
-AM_INIT_AUTOMAKE([1.11 gnu no-define -Wall -Wno-override color-tests dist-xz])
+dnl `AM_PROG_AR' was introduced in Automake 1.11.2.
+AM_INIT_AUTOMAKE([1.11.2 gnu no-define -Wall -Wno-override color-tests dist-xz])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])], [AC_SUBST([AM_DEFAULT_VERBOSITY],1)])
 
 AC_COPYRIGHT(GUILE_CONFIGURE_COPYRIGHT)