Patrick Welche <[EMAIL PROTECTED]> writes:
> The attached patch is necessary as if you set the environment variable M4
> to "m4 --nesting-limit=2048", the regexp won't match as there is a '='
> rather than a ' ' after nesting-limit.
>
> BTW if even 2048 is too small what could be wrong with my configure
> script? (In fact this is apr, at the autoheader stage)
Hard to say, other than the obvious "you've got a recursive loop".
Thanks for reporting the problem. I installed the following
slightly-different patch into CVS. Does it work for you?
2005-07-04 Paul Eggert <[EMAIL PROTECTED]>
* bin/autom4te.in ($m4): Catch usages like --nesting-limit=2048.
Problem reported by Patrick Welche.
Index: bin/autom4te.in
===================================================================
RCS file: /cvsroot/autoconf/autoconf/bin/autom4te.in,v
retrieving revision 1.95
diff -p -u -r1.95 autom4te.in
--- bin/autom4te.in 14 May 2005 07:00:39 -0000 1.95
+++ bin/autom4te.in 5 Jul 2005 06:45:24 -0000
@@ -95,7 +95,7 @@ fatal "need GNU m4 1.4 or later: $m4"
# Set some high recursion limit as the default limit, 250, has already
# been hit with AC_OUTPUT. Don't override the user's choice.
$m4 .= ' --nesting-limit=1024'
- if " $m4 " !~ / (--nesting-limit|-L) /;
+ if " $m4 " !~ / (--nesting-limit(=[0-9]+)?|-L[0-9]*) /;
# @M4_BUILTIN -- M4 builtins and a useful comment.
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