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#!/usr/bin/perl
#
#
# Author: Guillaume Cottenceau (gc@mandrakesoft.com)
# Modified by: Martin Schlemmer (azarah@gentoo.org)
#
# Copyright 2001 MandrakeSoft
#
# This software may be freely redistributed under the terms of the GNU
# public license.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
#
# Executes the correct autoconf version.
#
# - defaults to automake-1.4
# - runs automake-1.7 if it exists and...
# - envvar WANT_AUTOMAKE is set to `1.7'
# -or-
# - `Makefile.in' was generated by automake-1.7 or superior, which
# specifically needs automake-1.7
# -or_
# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.7
# - runs automake-1.6 if it exists and...
# - envvar WANT_AUTOMAKE is set to `1.6'
# -or-
# - `Makefile.in' was generated by automake-1.6 or superior, which
# specifically needs automake-1.6
# -or-
# - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifyint the use of 1.6
# -or-
# - `configure.in' contains AC_PREREQ and the value's 3 first letters
# are stringwise greater than '2.53c'
# -or-
# - `configure' is already present and was generated by autoconf greater than
# '2.53c'
# - runs automake-1.5 if it exists and...
# - envvar WANT_AUTOMAKE is set to `1.5'
# -or-
# - configure.ac is present
# -or-
# - `configure.in' contains AC_PREREQ and the value's 3 first letters
# are stringwise greater than '2.1'
# -or-
# - `configure' is already present and was generated by autoconf greater than
# '2.1'
# -or-
# - `Makefile.in' was generated by automake-1.5 or superior, which
# specifically needs automake-1.5
#
#use MDK::Common;
sub cat_ { local *F; open F, $_[0] or return; my @l = <F>; wantarray ? @l : join '', @l }
my $binary = "$0-1.4";
my $binary_1_5 = "$0-1.5x";
my $binary_1_6 = "$0-1.6x";
my $binary_1_7 = "$0-1.7x";
# Automake is really getting out of hand, so rather start supporting
# WANT_AUTOMAKE = "1.7" the like. Unfortunately it override the old
# variables, so if not set, just convert the old variables ....
if ($ENV{WANT_AUTOMAKE} eq "") {
if ($ENV{WANT_AUTOMAKE_1_4}) {
$ENV{WANT_AUTOMAKE} = '1.4';
} elsif ($ENV{WANT_AUTOMAKE_1_6}) {
$ENV{WANT_AUTOMAKE} = '1.6';
} elsif ($ENV{WANT_AUTOMAKE_1_5}) {
$ENV{WANT_AUTOMAKE} = '1.5';
}
}
# question here is do we really want 1.5 or 1.6? Out of a KDE outlook, it
# should rather be 1.5, and since most people would rather have migrated to
# 1.5, and then stay with it for a bit (those 1.4 die hards ..), only have
# the 'configure.ac' test for 1.5 ...
if ($ENV{WANT_AUTOMAKE} ne '1.4') {
if (-x $binary_1_7 # user may not have _1_7 ...
&& (($ENV{WANT_AUTOMAKE} eq '1.7')
|| (cat_('Makefile.in') =~ /^# Makefile\.in generated by automake (\S+)/ ? $1 : '') ge '1.7'
|| (cat_('aclocal.m4') =~ /^# aclocal.m4 generated automatically by aclocal (\S+)/ ? $1 : '') ge '1.7'
|| (cat_('aclocal.m4') =~ /^\s*\[?AM_AUTOMAKE_VERSION\(\[?([^\)]{3})[^\)]*\]?\)/m ? $1 : '') ge '1.7')) {
$ENV{WANT_AUTOMAKE} = '1.7'; # to prevent further "cats" and to enhance consistency (possible cwd etc)
$binary = $binary_1_7;
} elsif (-x $binary_1_6 # user may not have 1.6 ...
&& (($ENV{WANT_AUTOMAKE} eq '1.6')
|| (cat_('Makefile.in') =~ /^# Makefile\.in generated by automake (\S+)/ ? $1 : '') ge '1.6'
|| (cat_('aclocal.m4') =~ /^# aclocal.m4 generated automatically by aclocal (\S+)/ ? $1 : '') ge '1.6'
|| (cat_('aclocal.m4') =~ /^\s*\[?AM_AUTOMAKE_VERSION\(\[?([^\)]{3})[^\)]*\]?\)/m ? $1 : '') ge '1.6'
# Autoconf 2.53d and later need automake-1.6c, so enable 1.6 for 2.53
# and up .....
|| (cat_('configure.in') =~ /^\s*AC_PREREQ\(\[?([^\)]{4})[^\)]*\]?\)/m ? $1 : '') gt '2.52'
|| (cat_('configure') =~ /^# Generated by Autoconf (\S+)/m ? $1 : '') gt '2.52'
|| (cat_('aclocal.m4') =~ /^\s*AC_PREREQ\(\[?([^\)]{4})[^\)]*\]?\)/m ? $1 : '') gt '2.52')) {
$ENV{WANT_AUTOMAKE} = '1.6'; # to prevent further "cats" and to enhance consistency (possible cwd etc)
$binary = $binary_1_6;
} elsif (-x $binary_1_5 # user may have only 1.4 ...
&& (($ENV{WANT_AUTOMAKE} eq '1.5')
|| -r 'configure.ac'
|| (cat_('Makefile.in') =~ /^# Makefile\.in generated by automake (\S+)/ ? $1 : '') ge '1.5'
|| (cat_('aclocal.m4') =~ /^# aclocal.m4 generated automatically by aclocal (\S+)/ ? $1 : '') ge '1.5'
|| (cat_('configure.in') =~ /^\s*AC_PREREQ\(\[?([^\)]{3})[^\)]*\]?\)/m ? $1 : '') gt '2.1'
|| (cat_('configure') =~ /^# Generated by Autoconf (\S+)/m ? $1 : '') gt '2.1'
|| (cat_('aclocal.m4') =~ /^\s*AC_PREREQ\(\[?([^\)]{3})[^\)]*\]?\)/m ? $1 : '') gt '2.1')) {
$ENV{WANT_AUTOMAKE} = '1.5'; # to prevent further "cats" and to enhance consistency (possible cwd etc)
$binary = $binary_1_5;
} else {
$ENV{WANT_AUTOMAKE} = '1.4'; # for further consistency
}
}
$ENV{WANT_AMWRAPPER_DEBUG} and print STDERR "am-wrapper: will execute <$binary>\n";
exec $binary, @ARGV;
die "am-wrapper: ouch, couldn't call binary ($binary).\n";
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