1 # A debhelper build system class for handling CMake based projects.
2 # It prefers out of source tree building.
4 # Copyright: © 2008-2009 Modestas Vainius
7 package Debian::Debhelper::Buildsystem::cmake;
10 use Debian::Debhelper::Dh_Lib qw(compat);
11 use base 'Debian::Debhelper::Buildsystem::makefile';
14 "CMake (CMakeLists.txt)"
17 sub check_auto_buildable {
20 if (-e $this->get_sourcepath("CMakeLists.txt")) {
21 my $ret = ($step eq "configure" && 1) ||
22 $this->SUPER::check_auto_buildable(@_);
23 # Existence of CMakeCache.txt indicates cmake has already
24 # been used by a prior build step, so should be used
25 # instead of the parent makefile class.
26 $ret++ if ($ret && -e $this->get_buildpath("CMakeCache.txt"));
34 my $this=$class->SUPER::new(@_);
35 $this->prefer_out_of_source_building(@_);
43 # Standard set of cmake flags
44 push @flags, "-DCMAKE_INSTALL_PREFIX=/usr";
45 push @flags, "-DCMAKE_VERBOSE_MAKEFILE=ON";
47 # CMake doesn't respect CPPFLAGS, see #653916.
48 if ($ENV{CPPFLAGS} && ! compat(8)) {
49 $ENV{CFLAGS} .= ' ' . $ENV{CPPFLAGS};
50 $ENV{CXXFLAGS} .= ' ' . $ENV{CPPFLAGS};
53 $this->mkdir_builddir();
55 $this->doit_in_builddir("cmake", $this->get_source_rel2builddir(), @flags, @_);
58 if (-e $this->get_buildpath("CMakeCache.txt")) {
59 $this->doit_in_builddir("tail -v -n +0 CMakeCache.txt");
68 # Unlike make, CTest does not have "unlimited parallel" setting (-j implies
69 # -j1). So in order to simulate unlimited parallel, allow to fork a huge
70 # number of threads instead.
71 my $parallel = ($this->get_parallel() > 0) ? $this->get_parallel() : 999;
72 $ENV{CTEST_OUTPUT_ON_FAILURE} = 1;
73 return $this->SUPER::test(@_, "ARGS+=-j$parallel");