From: Alexandre Duret-Lutz <adl@gnu.org>
Date: Wed, 2 Jul 2003 21:57:51 +0000 (+0000)
Subject: * lib/Automake/Variable.pm (_traverse_variable_recursively_worker):
X-Git-Tag: Release-1-7b~141
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=21af290f859650897307e6cc74cac16bd5d019ad;p=thirdparty%2Fautomake.git

* lib/Automake/Variable.pm (_traverse_variable_recursively_worker):
Do not return undef when a variable is recursively defined, this
causes warnings all over the place.  Return the empty string instead.
---

diff --git a/ChangeLog b/ChangeLog
index 73ae84cbc..e63d4badb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2003-07-02  Alexandre Duret-Lutz  <adl@gnu.org>
 
+	* lib/Automake/Variable.pm (_traverse_variable_recursively_worker):
+	Do not return undef when a variable is recursively defined, this
+	causes warnings all over the place.  Return the empty string instead.
+
 	* lib/am/distdir.am (distcheck): Protect loop of DIST_ARCHIVES
 	from empty DIST_ARCHIVES.
 
diff --git a/lib/Automake/Variable.pm b/lib/Automake/Variable.pm
index 1fee8be4d..fd02f5c77 100644
--- a/lib/Automake/Variable.pm
+++ b/lib/Automake/Variable.pm
@@ -1476,7 +1476,7 @@ sub _traverse_variable_recursively_worker ($$&&$$)
   if (defined $_vars_scanned{$var})
     {
       err_var $var, "variable `" . $var->name() . "' recursively defined";
-      return undef;
+      return "";
     }
   $_vars_scanned{$var} = 1;