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[SCM] GNU Autoconf source repository branch, master, updated. v2.62-50-g
From: |
Eric Blake |
Subject: |
[SCM] GNU Autoconf source repository branch, master, updated. v2.62-50-g4b8a55e |
Date: |
Mon, 21 Jul 2008 22:52:14 +0000 |
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http://git.sv.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=4b8a55e1e015fc5ba0ceee63ce3739ea1e41b686
The branch, master has been updated
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from 46a7a4306842f7f23942f36fd595cc7505957cc0 (commit)
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- Log -----------------------------------------------------------------
commit 4b8a55e1e015fc5ba0ceee63ce3739ea1e41b686
Author: Eric Blake <address@hidden>
Date: Mon Jul 21 16:41:10 2008 -0600
Ignore undefined macros, necessary with m4 1.6.
* bin/autoupdate.in (_au___undefine): New macro,...
(_au__undefine): ...wrapped by ifdef to silence m4 warnings.
Reported by Ralf Wildenhues.
Signed-off-by: Eric Blake <address@hidden>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
bin/autoupdate.in | 4 +++-
2 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index a45513f..eda6995 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
2008-07-21 Eric Blake <address@hidden>
+ Ignore undefined macros, necessary with m4 1.6.
+ * bin/autoupdate.in (_au___undefine): New macro,...
+ (_au__undefine): ...wrapped by ifdef to silence m4 warnings.
+ Reported by Ralf Wildenhues.
+
Resync with gnulib.
* GNUmakefile: Grab from upstream, to fix issue where 'make
install' would allow installation of stale version string.
diff --git a/bin/autoupdate.in b/bin/autoupdate.in
index 3a01af7..644de19 100644
--- a/bin/autoupdate.in
+++ b/bin/autoupdate.in
@@ -267,8 +267,10 @@ foreach my $file (@ARGV)
# Define our special macros:
define([_au__defn], defn([defn]))
define([_au__divert], defn([divert]))
+ define([_au__ifdef], defn([ifdef]))
define([_au__include], defn([include]))
- define([_au__undefine], defn([undefine]))
+ define([_au___undefine], defn([undefine]))
+ define([_au__undefine], [_au__ifdef([$1], [_au___undefine([$1])])])
define([_au__save], [m4_ifdef([$1], [m4_copy([$1], [_au_$1])])])
define([_au__restore],
[_au_m4_ifdef([_au_$1],
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