Re: [PATCH] Use expr where possible

[Ralf Wildenhues]

Hi Paul, others,

* Paul Eggert wrote on Thu, Jun 16, 2005 at 10:10:57AM CEST:
> "Peter O'Gorman" <address@hidden> writes:
> 
> I've worked around this by avoiding expr entirely here (as well as
> echo | sed).  Here's what I installed into Autoconf CVS:

This patch is broken.  One of its symptoms are that libtool won't create
shared libraries any more.  Proposed fix below.

> 2005-06-16  Paul Eggert  <address@hidden>
> 
>       * doc/autoconf.texi (Limitations of Usual Tools): Mention expr bug
>       on Mac OS X 10.4 reported by Peter O'Gorman in:
>       http://lists.gnu.org/archive/html/autoconf-patches/2005-06/msg00041.html
>       * lib/autoconf/general.m4 (_AC_CANONICAL_SPLIT):
>       Use shell builtins rather than 'expr', to work around expr bug.

Regards,
Ralf

        * lib/autoconf/general.m4 (_AC_CANONICAL_SPLIT): Fix typo.

Index: lib/autoconf/general.m4
===================================================================
RCS file: /cvsroot/autoconf/autoconf/lib/autoconf/general.m4,v
retrieving revision 1.865
diff -u -r1.865 general.m4
--- lib/autoconf/general.m4     16 Jun 2005 07:24:43 -0000      1.865
+++ lib/autoconf/general.m4     19 Jun 2005 08:08:19 -0000
@@ -1684,7 +1684,7 @@
 *)
   shift; shift; shift
   for ac_arg
-  do $1_os=$1_os-$ac_arg
+  do $1_os=[$]$1_os-$ac_arg
   done;;
 esac