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- # Copyright (C) 2003 Free Software Foundation, Inc.
-
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation; either version 2, or (at your option)
- # any later version.
-
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
-
- # 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., 59 Temple Place - Suite 330, Boston, MA
- # 02111-1307, USA.
-
- package Autom4te::Configure_ac;
-
- use strict;
- use Exporter;
- use Autom4te::Channels;
- use Autom4te::ChannelDefs;
-
- use vars qw (@ISA @EXPORT);
-
- @ISA = qw (Exporter);
- @EXPORT = qw (&find_configure_ac &require_configure_ac);
-
- =head1 NAME
-
- Autom4te::Configure_ac - Locate configure.ac or configure.in.
-
- =head1 SYNOPSIS
-
- use Autom4te::Configure_ac;
-
- # Try to locate configure.in or configure.ac in the current
- # directory. It may be absent. Complain if both files exist.
- my $filename = find_configure_ac;
-
- # Likewise, but bomb out if the file does not exist.
- my $filename = require_configure_ac;
-
- # Likewise, but in $dir.
- my $filename = find_configure_ac ($dir);
- my $filename = require_configure_ac ($dir);
-
- =cut
-
- sub find_configure_ac (;@)
- {
- my ($directory) = @_;
- $directory ||= '.';
- my $configure_ac =
- File::Spec->canonpath (File::Spec->catfile ($directory, 'configure.ac'));
- my $configure_in =
- File::Spec->canonpath (File::Spec->catfile ($directory, 'configure.in'));
-
- if (-f $configure_ac)
- {
- if (-f $configure_in)
- {
- msg ('unsupported',
- "`$configure_ac' and `$configure_in' both present.\n"
- . "proceeding with `$configure_ac'.");
- }
- return $configure_ac
- }
- elsif (-f 'configure.in')
- {
- return $configure_in;
- }
- return $configure_ac;
- }
-
-
- sub require_configure_ac (;$)
- {
- my $res = find_configure_ac (@_);
- fatal "`configure.ac' or `configure.in' is required"
- unless -f $res;
- return $res
- }
-
- 1;
-
- ### Setup "GNU" style for perl-mode and cperl-mode.
- ## Local Variables:
- ## perl-indent-level: 2
- ## perl-continued-statement-offset: 2
- ## perl-continued-brace-offset: 0
- ## perl-brace-offset: 0
- ## perl-brace-imaginary-offset: 0
- ## perl-label-offset: -2
- ## cperl-indent-level: 2
- ## cperl-brace-offset: 0
- ## cperl-continued-brace-offset: 0
- ## cperl-label-offset: -2
- ## cperl-extra-newline-before-brace: t
- ## cperl-merge-trailing-else: nil
- ## cperl-continued-statement-offset: 2
- ## End:
-