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 clean_jobserver_makeflags);
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 $target 2>/dev/null`;
36 # Avoid possible warnings about unavailable jobserver,
37 # and force make to start a new jobserver.
38 clean_jobserver_makeflags();
40 # Note that this will override any -j settings in MAKEFLAGS.
41 unshift @_, "-j" . ($this->get_parallel() > 0 ? $this->get_parallel() : "");
43 $this->doit_in_builddir($this->{makecmd}, @_);
46 sub make_first_existing_target {
50 foreach my $target (@$targets) {
51 if ($this->exists_make_target($target)) {
52 $this->do_make($target, @_);
65 my $this=$class->SUPER::new(@_);
66 $this->{makecmd} = (exists $ENV{MAKE}) ? $ENV{MAKE} : "make";
70 sub check_auto_buildable {
74 # Handles build, test, install, clean; configure - next class
75 if (grep /^\Q$step\E$/, qw{build test install clean}) {
76 # This is always called in the source directory, but generally
77 # Makefiles are created (or live) in the the build directory.
78 return -e $this->get_buildpath("Makefile") ||
79 -e $this->get_buildpath("makefile") ||
80 -e $this->get_buildpath("GNUmakefile");
92 $this->make_first_existing_target(['test', 'check'], @_);
98 $this->make_first_existing_target(['install'], "DESTDIR=$destdir", @_);
103 if (!$this->rmdir_builddir()) {
104 $this->make_first_existing_target(['distclean', 'realclean', 'clean'], @_);