1 # A debhelper build system class for handling simple Makefile based projects.
3 # Copyright: © 2008 Joey Hess
4 # © 2008-2009 Modestas Vainius
7 package Debian::Debhelper::Buildsystem::makefile;
10 use Debian::Debhelper::Dh_Lib qw(escape_shell get_make_jobserver_status);
11 use base 'Debian::Debhelper::Buildsystem';
15 my $buildpath = $this->get_buildpath();
16 if ($buildpath ne '.') {
17 return $this->{makecmd} . " -C " . escape_shell($buildpath);
19 return $this->{makecmd};
22 sub exists_make_target {
23 my ($this, $target) = @_;
24 my $makecmd=$this->get_makecmd_C();
26 # Use make -n to check to see if the target would do
27 # anything. There's no good way to test if a target exists.
28 my $ret=`$makecmd -s -n --no-print-directory $target 2>/dev/null`;
36 # Always clean MAKEFLAGS from unavailable jobserver options. If parallel
37 # is enabled, do more extensive clean up from all job control specific
38 # options and start our own jobserver if parallel building (> 1) was
40 my ($status, $makeflags) = get_make_jobserver_status();
41 if ($status eq "jobserver-unavailable" || defined $this->get_parallel()) {
42 if (defined $makeflags) {
43 $ENV{MAKEFLAGS} = $makeflags;
46 delete $ENV{MAKEFLAGS} if exists $ENV{MAKEFLAGS};
50 # Start a new jobserver if parallel building was requested
51 if (defined $this->get_parallel()) {
52 unshift @_, "-j" . ($this->get_parallel() > 1 ? $this->get_parallel() : 1);
55 $this->doit_in_builddir($this->{makecmd}, @_);
58 sub make_first_existing_target {
62 foreach my $target (@$targets) {
63 if ($this->exists_make_target($target)) {
64 $this->do_make($target, @_);
77 my $this=$class->SUPER::new(@_);
78 $this->{makecmd} = (exists $ENV{MAKE}) ? $ENV{MAKE} : "make";
82 sub check_auto_buildable {
86 # Handles build, test, install, clean; configure - next class
87 if (grep /^\Q$step\E$/, qw{build test install clean}) {
88 # This is always called in the source directory, but generally
89 # Makefiles are created (or live) in the the build directory.
90 return -e $this->get_buildpath("Makefile") ||
91 -e $this->get_buildpath("makefile") ||
92 -e $this->get_buildpath("GNUmakefile");
104 $this->make_first_existing_target(['test', 'check'], @_);
110 $this->make_first_existing_target(['install'], "DESTDIR=$destdir", @_);
115 if (!$this->rmdir_builddir()) {
116 $this->make_first_existing_target(['distclean', 'realclean', 'clean'], @_);