On Wed, Jul 10, 2013 at 10:59:10AM +0200, Lukas Slebodnik wrote:
> On (10/07/13 10:48), Jakub Hrozek wrote:
> >On Wed, Jul 10, 2013 at 10:29:35AM +0200, Lukas Slebodnik wrote:
> >> On (04/07/13 15:23), Petr Spacek wrote:
> >> >Hello,
> >> >
> >> >several warnings from autotools popped up after upgrade to Fedora 19.
> >> >Attached patches should make autotools configuration more modern.
> >> >
> >> >-- 
> >> >Petr^2 Spacek
> >> 
> >> >From 07caec808e394bfcbd898905e917731cb3778e68 Mon Sep 17 00:00:00 2001
> >> >From: Petr Spacek <pspa...@redhat.com>
> >> >Date: Thu, 4 Jul 2013 14:04:57 +0200
> >> >Subject: [PATCH] Add missing ar check to configure.ac.
> >> >
> >> >Signed-off-by: Petr Spacek <pspa...@redhat.com>
> >> >---
> >> > configure.ac | 1 +
> >> > 1 file changed, 1 insertion(+)
> >> >
> >> >diff --git a/configure.ac b/configure.ac
> >> >index 
> >> >222e520e0aa61bca58cff81bea672fcab04355b3..b6d66de1b862a6860226a5f9ae4a3f33842e6100
> >> > 100644
> >> >--- a/configure.ac
> >> >+++ b/configure.ac
> >> >@@ -10,6 +10,7 @@ AC_CONFIG_HEADERS([config.h])
> >> > AC_DISABLE_STATIC
> >> > 
> >> > # Checks for programs.
> >> >+AM_PROG_AR
> >> > AC_PROG_CC
> >> > AC_PROG_LIBTOOL
> >> > 
> >> >-- 
> >> >1.8.3.1
> >> >
> >> 
> >> This solution is not very portable. Automake <= 1.11 does not contain this
> >> macro.
> >> 
> >> configure.ac:14: warning: macro `AM_PROG_AR' not found in library
> >> configure.ac:14: error: possibly undefined macro: AM_PROG_AR
> >>       If this token and others are legitimate, please use m4_pattern_allow.
> >>       See the Autoconf documentation.
> >> autoreconf: /usr/bin/autoconf failed with exit status: 1
> >> 
> >> Better solution will be:
> >> m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
> >> 
> >> You can find more information about this in mail thread
> >> http://lists.gnu.org/archive/html/automake/2012-05/msg00014.html
> You probably did not read this page ^^^^^

No I didn't :)

But what the guy says there isn't true, m4_pattern_allow works just fine
even with the old autoconf version in RHEL5.

> 
> >>Even better is:
> >m4_pattern_allow([AM_PROG_AR])
> >AM_PROG_AR
> 
> m4_pattern_allow should be used for another things.
> http://www.gnu.org/software/autoconf/manual/autoconf.html#Forbidden-Patterns

Dunno, I think it'quite pretty established pattern. Is there something wrong
with it?

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