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remove the </dev/null in the heart of autom4te

From: Stepan Kasal
Subject: remove the </dev/null in the heart of autom4te
Date: Tue, 24 Oct 2006 21:09:48 +0200
User-agent: Mutt/


some time ago I noticed that autom4te calls m4 with stdin redirected
to /dev/null.  The redirection was a hack to work around a problem
with CVS m4.

The bug was discussed here
and resolved by Eric here

This allowed me to remove the hack from autom4te, see the attached
patch, which I committed.


This patch was one of the two pre-requisities for teaching autom4te
to handle `-' as a command line parameter.

The other one is to tell Automake/ about `-' about it;
I'm not volunteering for that because of Perl.  ;-)

The third step would be to tell the caching in autom4te that such
runs cannot be cached.

(And then we could implement `autoconf -'.)

Have a nice day,
        Stepan Kasal

Attachment: autoconf-20061024-autom4te-int.patch
Description: Text document

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