[libvirt] [PATCH 1/n] modernizing configure

[Daniel P. Berrange]

On Mon, Jan 25, 2010 at 02:29:35PM +0100, Daniel Veillard wrote:
> On Mon, Jan 25, 2010 at 05:30:23AM -0700, Eric Blake wrote:
> > According to Daniel P. Berrange on 1/25/2010 4:15 AM:
> > >> So, what is the oldest version of autoconf and automake that libvirt
> > >> will insist on supporting?
> > > 
> > > RHEL5 is the minimum required platform, including full bootstrap from 
> > > GIT source. This implies automake-1.9.6-2.1 and autoconf-2.59-12
> > 
> > Fair enough.  That said, my patch to rename to configure.ac and use the
> > more modern AC_CONFIG_HEADERS is still relevant, as both of those were
> > supported in autoconf 2.59.  I noticed the patch got attached with binary
> > mime type last time; (I'm still fighting with email configuration of the
> > machine where I first built the patch), so here it is again in plain text.
> [..]
> > diff --git a/configure.in b/configure.ac
> 
>  Sorry for being ignorant but what's the interest of renaming ? what
> does that change in practice ?

IIUC, it is simply that "configure.ac" is the recommended naming convention
from autoconf developers. Functionally I don't believe there's any
difference.

> 
> > similarity index 99%
> > rename from configure.in
> > rename to configure.ac
> 
> > index 8cbbfe5..32f376e 100644
> > --- a/configure.in
> > +++ b/configure.ac
> > @@ -3,7 +3,7 @@ dnl Process this file with autoconf to produce a configure script.
> >  AC_INIT([libvirt], [0.7.5])
> >  AC_CONFIG_SRCDIR([src/libvirt.c])
> >  AC_CONFIG_AUX_DIR([build-aux])
> > -AM_CONFIG_HEADER([config.h])
> > +AC_CONFIG_HEADERS([config.h])
> >  dnl Make automake keep quiet about wildcards & other GNUmake-isms
> >  AM_INIT_AUTOMAKE([-Wno-portability])
> 
>  Independantly of renaming, that looks fine to me,

ACK to the whole patch from me, including the rename - we might as well
follow the best practice here.

Daniel
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