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# A debhelper build system class for handling simple bmake-based projects.
#
# Copyright: © 2008 Joey Hess
# © 2008-2009 Modestas Vainius
# License: GPL-2+
package Debian::Debhelper::Buildsystem::bmake;
use strict;
use Debian::Debhelper::Dh_Lib qw(compat escape_shell clean_jobserver_makeflags warning);
use parent 'Debian::Debhelper::Buildsystem::makefile';
sub DESCRIPTION {
"bmake"
}
sub exists_make_target {
my ($this, $target) = @_;
# Use -V .ALLTARGETS to get the list of targets; -n is
# needed to avoid executing anything
my @opts=("-n", "-V", ".ALLTARGETS");
my $buildpath = $this->get_buildpath();
unshift @opts, "-C", $buildpath if $buildpath ne ".";
my $pid = open(MAKE, "-|");
defined($pid) || error("fork failed: $!");
if (! $pid) {
open(STDERR, ">&STDOUT");
$ENV{LC_ALL}='C';
delete $ENV{MAKEFLAGS};
exec($this->{makecmd}, @opts, @_);
exit(1);
}
local $/=undef;
my $output=<MAKE>;
chomp $output;
close MAKE;
return defined $output && grep(/^$target$/, split(" ",$output));
}
# Currently, we don't want parallel build with bmake.
sub do_make {
my $this=shift;
# Avoid possible warnings about unavailable jobserver,
# and force make to start a new jobserver.
clean_jobserver_makeflags();
# GNU make accepts MAKEFLAGS not starting with a das
# bmake requires options to be passed as if they were
# on the command line
if (exists $ENV{MAKEFLAGS}) {
if ($ENV{MAKEFLAGS} =~ /^[^-]/) {
$ENV{MAKEFLAGS} = "-$ENV{MAKEFLAGS}";
}
}
my @root_cmd;
if (exists($this->{_run_make_as_root}) and $this->{_run_make_as_root}) {
@root_cmd = gain_root_cmd();
}
$this->doit_in_builddir(@root_cmd, $this->{makecmd}, @_);
}
sub check_auto_buildable {
my $this=shift;
my ($step)=@_;
if (-e $this->get_buildpath("makefile") ||
-e $this->get_buildpath("Makefile"))
{
my $ret = ($this->SUPER::check_auto_buildable(@_));
open (MAKEFILE, "makefile") || open (MAKEFILE, "Makefile") ||
return 0;
while (<MAKEFILE>) {
chomp;
if (/^\.?\s*include\s+</) {
close MAKEFILE;
$ret++;
return $ret;
}
}
close MAKEFILE;
return $ret;
}
return 0;
}
sub configure {
my $this=shift;
if (-x $this->get_sourcepath("configure"))
{
my $ret = ($this->SUPER::configure(@_));
}
}
sub clean {
my $this=shift;
if (!$this->rmdir_builddir()) {
$this->make_first_existing_target(['cleandir', 'distclean', 'realclean', 'clean'], @_);
}
}
sub new {
my $class=shift;
my $this=$class->SUPER::new(@_);
$this->{makecmd} = "bmake";
return $this;
}
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