GNU bug report logs - #13378
Make the 'subdir-objects' setup the default, and only available one

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Message #118 received at 13378 <at> debbugs.gnu.org (full text, mbox):

From: Nick Bowler <nbowler <at> draconx.ca>
To: Stefano Lattarini <stefano.lattarini <at> gmail.com>
Cc: Eric Blake <eblake <at> redhat.com>, 13378 <at> debbugs.gnu.org,
	automake-patches <at> gnu.org
Subject: Re: bug#13378: [PATCH] compile: use 'compile' script when "-c -o" is
	used with losing compilers
Date: Sun, 13 Jan 2013 15:01:35 -0500

On 2013-01-12 11:05 +0100, Stefano Lattarini wrote:
> On 01/11/2013 08:16 PM, Stefano Lattarini wrote:
> > On 01/11/2013 07:19 PM, Eric Blake wrote:
> >> On 01/10/2013 06:33 AM, Stefano Lattarini wrote:
> >>> Reference:
> >>> <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13378#50>
> >>>
> >>
> >>>  @acindex AC_PROG_CC_C_O
> >>> -This is like @code{AC_PROG_CC_C_O}, but it generates its results in
> >>> -the manner required by Automake.  You must use this instead of
> >>> -@code{AC_PROG_CC_C_O} when you need this functionality, that is, when
> >>> -using per-target flags or subdir-objects with C sources.
> >>> +This is an @emph{obsolete wrapper} around @code{AC_PROG_CC_C_O}.  New
> >>> +code needs not to use this macro.  It might be deprecated and
> >>
> >> s/needs not to/needs not/
> >>
> > Fixed, thanks.  I will soon merge the patch into maint.
> >
> Done.  Also merged maint into master, and pushed.

Hm, so much for waiting a week to push...

This all seems like needless complexity.  It's unclear to me why
my earlier suggestion (using AC_CONFIG_COMMANDS_PRE to expand
AM_PROG_CC_C_O) was inadequate.  This would also require no changes
to autoconf, and we would not need to deprecate AM_PROG_CC_C_O, so
no backwards compatibility hacks are required.

These patches no longer apply to master, but here they are anyway.

Nick Bowler (2):
  Use AC_DEFUN_ONCE to define AM_PROG_CC_C_O.
  Automatically call AM_PROG_CC_C_O as required.

 m4/init.m4   | 5 +++++
 m4/minuso.m4 | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

-- 
1.8.1

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