Re: [PATCH] libgloss/newlib: rename configure.in to configure.ac

[Mike Frysinger <vapier@gentoo.org>]

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On 14 Sep 2021 10:38, Corinna Vinschen wrote:
> On Sep 13 23:03, Mike Frysinger wrote:
> > On 14 Sep 2021 00:54, Hans-Bernhard Bröker wrote:
> > > Am 13.09.2021 um 16:13 schrieb Mike Frysinger:
> > >  > On 13 Sep 2021 12:12, Corinna Vinschen wrote:
> > >  >> On Sep  9 17:06, Mike Frysinger wrote:
> > >  >>> The .in name has been deprecated for a long time in favor of .ac.
> > > 
> > >  >> ACK.  Are you going to regen afterwards?
> > > 
> > >  > that should be a nop as the filename input shouldn't affect the output.
> > >  > i confirmed on one or two dirs.
> > > 
> > > The name of configure.{in|ac} is supposed to show up in just about every 
> > > Makefile.in.  The maintainer rules to update configure rely on that. 
> > > Automake-generated Makefile.in pick up this change automatically.
> > 
> > thanks for pointing this out.  i sent a patch for it.
> > 
> > > libgloss doesn't use automake, so there you would have to do all this by 
> > > hand.  Or keep on not doing it at all: at the moment there are no such 
> > > maintainer-specific rules in the libgloss Makefile.in except in 
> > > libgloss/wince, which does use automake.
> > 
> > the wince dir is running ancient automake-1.4 still.  the rest of newlib
> > is at least up on automake-1.11, but even that should get moved to 1.15
> > like the rest of the projects.  but that's prob another yak shave i'm not
> > in the mood to tackle.
> > 
> > >  > i agree that we should add
> > >  > a macro to enforce a specific autoconf version and regen everything with
> > >  > that :).
> > > 
> > > No need to add one ;-).  That's precisely what config/override.m4 
> > > already does.
> > > 
> > > The entire newlib tree relies quite heavily on features that have been 
> > > dropped from autoconf a _long_ time ago. The version it requires is 2.64 
> > > from the year 2008.  Getting all that resolved takes quite a bit more 
> > > effort than just renaming files and dropping the explicit restriction. 
> > > Every single Makefile.am and configure.ac has to be modified to remove 
> > > things like the cygnus mode option to automake, or the outdated use of 
> > > INCLUDES instead of AM_CPPFLAGS.
> > 
> > there are large variety of autoconf versions in use in the tree :(.
> > $ find newlib/ libgloss/ -name configure -exec sed -n '/Generated by GNU Autoconf/p' {} + | sort | uniq -c
> >       1 # Generated by GNU Autoconf 2.59.
> >      26 # Generated by GNU Autoconf 2.61.
> >       6 # Generated by GNU Autoconf 2.63.
> >       2 # Generated by GNU Autoconf 2.64.
> >       2 # Generated by GNU Autoconf 2.66.
> >      11 # Generated by GNU Autoconf 2.68.
> >       1 # Generated by GNU Autoconf 2.68 for libepiphany 0.0.1.
> >       1 # Generated by GNU Autoconf 2.68 for libgloss LIBGLOSS_VERSION.
> >       1 # Generated by GNU Autoconf 2.68 for libor1k 0.0.1.
> >       2 # Generated by GNU Autoconf 2.68 for newlib 2.5.0.
> >     112 # Generated by GNU Autoconf 2.68 for newlib 4.1.0.
> >       3 # Generated by GNU Autoconf 2.69.
> > -mike
> 
> The versions Jeff and I use for newlib are
> 
>   aclocal-1.11.6 -I. -I.. -I ../.. -I ../../..
>   autoconf-2.68
>   automake-1.11.6 --cygnus --no-force
> 
> The problem is to revamp the newlib tree to do the right thing without
> the dreaded --cygnus option.  In the meantime we are using the latest
> automake/autoconf tools at least in the Cygwin part of the repo, thanks
> to Jon Turney.

looks like newlib/ is more of a mess than libgloss.  i can send patches to
get libgloss up to autoconf-2.69 & automake-1.15 easily enough.
-mike

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