/usr/share/perl5/Debian/Debhelper/Buildsystem/cmake.pm is in debhelper 9.20160115ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | # A debhelper build system class for handling CMake based projects.
# It prefers out of source tree building.
#
# Copyright: © 2008-2009 Modestas Vainius
# License: GPL-2+
package Debian::Debhelper::Buildsystem::cmake;
use strict;
use warnings;
use Debian::Debhelper::Dh_Lib qw(compat dpkg_architecture_value error is_cross_compiling);
use parent qw(Debian::Debhelper::Buildsystem::makefile);
my @STANDARD_CMAKE_FLAGS = qw(
-DCMAKE_INSTALL_PREFIX=/usr
-DCMAKE_VERBOSE_MAKEFILE=ON
-DCMAKE_BUILD_TYPE=None
-DCMAKE_INSTALL_SYSCONFDIR=/etc
-DCMAKE_INSTALL_LOCALSTATEDIR=/var
);
my %DEB_HOST2CMAKE_SYSTEM = (
'linux' => 'Linux',
'kfreebsd' => 'FreeBSD',
'hurd' => 'GNU',
);
sub DESCRIPTION {
"CMake (CMakeLists.txt)"
}
sub check_auto_buildable {
my $this=shift;
my ($step)=@_;
if (-e $this->get_sourcepath("CMakeLists.txt")) {
my $ret = ($step eq "configure" && 1) ||
$this->SUPER::check_auto_buildable(@_);
# Existence of CMakeCache.txt indicates cmake has already
# been used by a prior build step, so should be used
# instead of the parent makefile class.
$ret++ if ($ret && -e $this->get_buildpath("CMakeCache.txt"));
return $ret;
}
return 0;
}
sub new {
my $class=shift;
my $this=$class->SUPER::new(@_);
$this->prefer_out_of_source_building(@_);
return $this;
}
sub configure {
my $this=shift;
# Standard set of cmake flags
my @flags = @STANDARD_CMAKE_FLAGS;
if (is_cross_compiling()) {
my $deb_host = dpkg_architecture_value("DEB_HOST_ARCH_OS");
if (my $cmake_system = $DEB_HOST2CMAKE_SYSTEM{$deb_host}) {
push(@flags, "-DCMAKE_SYSTEM_NAME=${cmake_system}");
} else {
error("Cannot cross-compile - CMAKE_SYSTEM_NAME not known for ${deb_host}");
}
push @flags, "-DCMAKE_SYSTEM_PROCESSOR=" . dpkg_architecture_value("DEB_HOST_GNU_CPU");
if ($ENV{CC}) {
push @flags, "-DCMAKE_C_COMPILER=" . $ENV{CC};
} else {
push @flags, "-DCMAKE_C_COMPILER=" . dpkg_architecture_value("DEB_HOST_GNU_TYPE") . "-cc";
}
if ($ENV{CXX}) {
push @flags, "-DCMAKE_CXX_COMPILER=" . $ENV{CXX};
} else {
push @flags, "-DCMAKE_CXX_COMPILER=" . dpkg_architecture_value("DEB_HOST_GNU_TYPE") . "-c++";
}
}
# CMake doesn't respect CPPFLAGS, see #653916.
if ($ENV{CPPFLAGS} && ! compat(8)) {
$ENV{CFLAGS} .= ' ' . $ENV{CPPFLAGS};
$ENV{CXXFLAGS} .= ' ' . $ENV{CPPFLAGS};
}
$this->mkdir_builddir();
eval {
$this->doit_in_builddir("cmake", $this->get_source_rel2builddir(), @flags, @_);
};
if (my $err = $@) {
if (-e $this->get_buildpath("CMakeCache.txt")) {
$this->doit_in_builddir("tail -v -n +0 CMakeCache.txt");
}
die $err;
}
}
sub test {
my $this=shift;
# Unlike make, CTest does not have "unlimited parallel" setting (-j implies
# -j1). So in order to simulate unlimited parallel, allow to fork a huge
# number of threads instead.
my $parallel = ($this->get_parallel() > 0) ? $this->get_parallel() : 999;
$ENV{CTEST_OUTPUT_ON_FAILURE} = 1;
return $this->SUPER::test(@_, "ARGS+=-j$parallel");
}
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# Local Variables:
# indent-tabs-mode: t
# tab-width: 4
# cperl-indent-level: 4
# End:
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