Changes to m4/m4/macro.c,v

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Changes by:     Eric Blake <ericb>      06/09/29 12:26:07

Index: m4/macro.c
===================================================================
RCS file: /sources/m4/m4/m4/macro.c,v
retrieving revision 1.56
retrieving revision 1.57
diff -u -b -r1.56 -r1.57
--- m4/macro.c  28 Sep 2006 04:22:33 -0000      1.56
+++ m4/macro.c  29 Sep 2006 12:26:07 -0000      1.57
@@ -238,7 +238,8 @@
   value = m4_get_symbol_value (symbol);
   VALUE_PENDING (value)++;
   expansion_level++;
-  if (expansion_level > m4_get_nesting_limit_opt (context))
+  if (m4_get_nesting_limit_opt (context) > 0
+      && expansion_level > m4_get_nesting_limit_opt (context))
     m4_error (context, EXIT_FAILURE, 0, _("\
 recursion limit of %d exceeded, use -L<N> to change it"),
              m4_get_nesting_limit_opt (context));