From: Akim Demaille <akim@epita.fr>
Date: Fri, 23 May 2003 13:14:30 +0000 (+0000)
Subject: * lib/m4sugar/m4sugar.m4 (m4_version_prereq): Failure causes an
X-Git-Tag: AUTOCONF-2.57a~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=172bea77272907d7d7d0f2c507cd349d9eaced36;p=thirdparty%2Fautoconf.git

* lib/m4sugar/m4sugar.m4 (m4_version_prereq): Failure causes an
exit 63, so that we (or Automake's "missing") can tell the
difference with a plain failure.
* doc/autoconf.texi (Notices): Adjust.
---

diff --git a/ChangeLog b/ChangeLog
index d5ad75359..c4742bbfe 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2003-05-23  Akim Demaille  <akim@epita.fr>
+
+	* lib/m4sugar/m4sugar.m4 (m4_version_prereq): Failure causes an
+	exit 63, so that we (or Automake's "missing") can tell the
+	difference with a plain failure.
+	* doc/autoconf.texi (Notices): Adjust.
+
 2003-05-23  Akim Demaille  <akim@epita.fr>
 
 	* Makefile.am, bin/Makefile.am, config/Makefile.am,
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 7b4377b97..adec2017e 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -1639,9 +1639,9 @@ scripts.  Using them is optional.
 @acindex{PREREQ}
 @cindex Version
 Ensure that a recent enough version of Autoconf is being used.  If the
-version of Autoconf being used to create @command{configure} is earlier
-than @var{version}, print an error message to the standard error output
-and do not create @command{configure}.  For example:
+version of Autoconf being used to create @command{configure} is
+earlier than @var{version}, print an error message to the standard
+error output and exit with failure (exit status is 63).  For example:
 
 @example
 AC_PREREQ(@value{VERSION})
diff --git a/lib/m4sugar/m4sugar.m4 b/lib/m4sugar/m4sugar.m4
index 76aae7d7a..dbb7c388b 100644
--- a/lib/m4sugar/m4sugar.m4
+++ b/lib/m4sugar/m4sugar.m4
@@ -1762,7 +1762,8 @@ m4_include([m4sugar/version.m4])
 m4_define([m4_version_prereq],
 [m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]), [$1]), -1,
        [m4_default([$3],
-		   [m4_fatal([Autoconf version $1 or higher is required])])],
+		   [m4_fatal([Autoconf version $1 or higher is required],
+			     63)])],
        [$2])[]dnl
 ])