From: Akim Demaille <akim@epita.fr>
Date: Thu, 23 Mar 2000 16:14:57 +0000 (+0000)
Subject: * libm4.m4 (m4_do): New macro.
X-Git-Tag: autoconf-2.50~1007
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb99e78fb6eb90d0d48c7a2282db17239394a986;p=thirdparty%2Fautoconf.git

* libm4.m4 (m4_do): New macro.
---

diff --git a/ChangeLog b/ChangeLog
index 5bc402482..fcafe727c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2000-03-23  Lars J. Aas  <larsa@sim.no>
+
+	* libm4.m4 (m4_do): New macro.
+
 2000-03-21  Akim Demaille  <akim@epita.fr>
 
 	Provide a language independent means to generate language specific
diff --git a/libm4.m4 b/libm4.m4
index 19d9881bf..7f4346ae8 100644
--- a/libm4.m4
+++ b/libm4.m4
@@ -389,6 +389,17 @@ define(m4_match,
         regexp([$1], [$2]), -1, [m4_match([$1], m4_shiftn(3, $@))],
         [$3])])
 
+# m4_do(STRING, ...)
+# ------------------
+# This macro invokes all its arguments (in sequence, of course).  It is
+# useful for making your macros more structured and readable by dropping
+# unecessary dnl's and have the macros indented properly.
+
+define([m4_do],
+  [ifelse($#, 0, [],
+          $#, 1, [$1],
+          [$1[]m4_do(m4_shift($@))])])
+
 ## --------------------- ##
 ## Implementing m4 loops ##
 ## --------------------- ##