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# A debhelper build system class for handling Perl MakeMaker based projects.
#
# Copyright: © 2008-2009 Joey Hess
# © 2008-2009 Modestas Vainius
# License: GPL-2+
package Debian::Debhelper::Buildsystem::perl_makemaker;
=head1 NAME
B<perl_makemaker> - Perl ExtUtils::MakeMaker (Makefile.PL)
=head1 SYNOPSIS
B<dh_auto_*> [B<--buildsystem>=I<perl_makemaker>] ...
=head1 DESCRIPTION
Perl ExtUtils::MakeMaker utility is designed to write a Makefile for an
extension module from a Makefile.PL (at configure step). The rest of build
process is handled by C<make>. Typically, ExtUtils::MakeMaker build system can
be identified by presence of the F<Makefile.PL> script in the source directory.
=head1 DH_AUTO NOTES
Out of source tree building is not supported.
=head1 BUILD PROCESS
=cut
use strict;
use base 'Debian::Debhelper::Buildsystem::makefile';
sub DESCRIPTION {
"Perl ExtUtils::MakeMaker (Makefile.PL)"
}
sub check_auto_buildable {
my $this=shift;
my ($step)=@_;
# Handles everything if Makefile.PL exists. Otherwise - next class.
if (-e $this->get_sourcepath("Makefile.PL")) {
if ($step eq "install" || $step eq "configure") {
return 1;
}
else {
# This is backwards compatible (with << 7.3) until build, test and
# clean steps are not reimplemented in the backwards compatibility
# breaking way. However, this is absolutely necessary for
# enforce_in_source_building() to work in corner cases in build,
# test and clean steps as the next class (makefile) does not
# enforce it.
return $this->SUPER::check_auto_buildable(@_);
}
}
return 0;
}
sub new {
my $class=shift;
my $this=$class->SUPER::new(@_);
$this->enforce_in_source_building();
return $this;
}
=head2 Configure step
=over
=item I<Behaviour>
Execute C<Makefile.PL> script passing C<INSTALLDIRS=vendor> and
C<create_packlist=0> parameters. Environment variables C<PERL_MM_USE_DEFAULT=1>
and C<PERL_AUTOINSTALL=--skipdeps> are exported before running the script.
=item I<Auto-selection>
If F<Makefile.PL> file exists but F<configure> does not exist in the source
directory.
=back
=cut
sub configure {
my $this=shift;
# If set to a true value then MakeMaker's prompt function will
# # always return the default without waiting for user input.
$ENV{PERL_MM_USE_DEFAULT}=1;
# This prevents Module::Install from interactive behavior.
$ENV{PERL_AUTOINSTALL}="--skipdeps";
$this->doit_in_sourcedir("perl", "Makefile.PL", "INSTALLDIRS=vendor",
"create_packlist=0",
@_);
}
=head2 Build step
=over 4
=item I<Behaviour>
Execute C<make> in the build directory. See I<makefile> build system
documentation for more information.
=item I<Auto-selection>
Both F<Makefile.PL> and F<Makefile> exist in the source directory.
=back
=head2 Test step
=over 4
=item I<Behaviour>
Execute C<make test> in the source directory. See I<makefile> build system
documentation for more information.
=item I<Auto-selection>
Both F<Makefile.PL> and F<Makefile> exist in the source directory.
=back
=cut
=head2 Install step
=over 4
=item I<Behaviour>
Execute C<make install DESTDIR=$destdir PREFIX=/usr> in the source directory
with $destdir set to the appropriate temporary installation directory. See
I<makefile> build system documentation for more information.
=item I<Auto-selection>
Both F<Makefile.PL> and F<Makefile> exist in the source directory.
=back
=cut
sub install {
my $this=shift;
my $destdir=shift;
$this->SUPER::install($destdir, "PREFIX=/usr", @_);
}
=head2 Clean step
=over 4
=item I<Behaviour>
Execute C<make distclean> in the source directory. See I<makefile> build system
documentation for more information.
=item I<Auto-selection>
Both F<Makefile.PL> and F<Makefile> exist in the source directory.
=back
=head1 SEE ALSO
L<dh_auto_makefile(7)>
L<dh_auto(7)>
=head1 AUTHORS
Joey Hess <joeyh@debian.org>
Modestas Vainius <modestas@vainius.eu>
=cut
1;
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