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Diffstat (limited to '')
| -rw-r--r-- | lib/Debian/Debhelper/Buildsystem/cmake.pm | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/lib/Debian/Debhelper/Buildsystem/cmake.pm b/lib/Debian/Debhelper/Buildsystem/cmake.pm new file mode 100644 index 0000000..c4a2ad9 --- /dev/null +++ b/lib/Debian/Debhelper/Buildsystem/cmake.pm @@ -0,0 +1,202 @@ +# 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(%dh compat dpkg_architecture_value error is_cross_compiling get_buildoption print_and_doit); +use parent qw(Debian::Debhelper::Buildsystem); + +my @STANDARD_CMAKE_FLAGS = qw( + -DCMAKE_INSTALL_PREFIX=/usr + -DCMAKE_BUILD_TYPE=None + -DCMAKE_INSTALL_SYSCONFDIR=/etc + -DCMAKE_INSTALL_LOCALSTATEDIR=/var + -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY=ON + -DCMAKE_FIND_USE_PACKAGE_REGISTRY=OFF + -DCMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY=ON + -DFETCHCONTENT_FULLY_DISCONNECTED=ON +); + +my %DEB_HOST2CMAKE_SYSTEM = ( + 'linux' => 'Linux', + 'kfreebsd' => 'kFreeBSD', + 'hurd' => 'GNU', +); + +my %GNU_CPU2SYSTEM_PROCESSOR = ( + 'arm' => 'armv7l', + 'mips64el' => 'mips64', + 'powerpc64le' => 'ppc64le', +); + +my %TARGET_BUILD_SYSTEM2CMAKE_GENERATOR = ( + 'makefile' => 'Unix Makefiles', + 'ninja' => 'Ninja', +); + +sub DESCRIPTION { + "CMake (CMakeLists.txt)" +} + +sub IS_GENERATOR_BUILD_SYSTEM { + return 1; +} + +sub SUPPORTED_TARGET_BUILD_SYSTEMS { + return qw(makefile ninja); +} + +sub check_auto_buildable { + my $this=shift; + my ($step)=@_; + if (-e $this->get_sourcepath("CMakeLists.txt")) { + my $ret = ($step eq "configure" && 1) || + $this->get_targetbuildsystem->check_auto_buildable(@_); + if ($this->check_auto_buildable_clean_oos_buildir(@_)) { + # Assume that the package can be cleaned (i.e. the build directory can + # be removed) as long as it is built out-of-source tree and can be + # configured. + $ret++ if not $ret; + } + # 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; + my $backend = $this->get_targetbuildsystem->NAME; + + push(@flags, '-DCMAKE_INSTALL_RUNSTATEDIR=/run') if not compat(10); + # Speed up installation phase a bit. + push(@flags, "-DCMAKE_SKIP_INSTALL_ALL_DEPENDENCY=ON") if not compat(12); + # Reproducibility #962474 / #1004939 + push(@flags, '-DCMAKE_BUILD_RPATH_USE_ORIGIN=ON') if not compat(13); + if (exists($TARGET_BUILD_SYSTEM2CMAKE_GENERATOR{$backend})) { + my $generator = $TARGET_BUILD_SYSTEM2CMAKE_GENERATOR{$backend}; + push(@flags, "-G${generator}"); + } + if (not $dh{QUIET}) { + push(@flags, "-DCMAKE_VERBOSE_MAKEFILE=ON"); + } + + if ($ENV{CC}) { + push @flags, "-DCMAKE_C_COMPILER=" . $ENV{CC}; + } + if ($ENV{CXX}) { + push @flags, "-DCMAKE_CXX_COMPILER=" . $ENV{CXX}; + } + 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}"); + } + my $gnu_cpu = dpkg_architecture_value("DEB_HOST_GNU_CPU"); + if (exists($GNU_CPU2SYSTEM_PROCESSOR{$gnu_cpu})) { + push @flags, "-DCMAKE_SYSTEM_PROCESSOR=" . $GNU_CPU2SYSTEM_PROCESSOR{$gnu_cpu}; + } else { + push @flags, "-DCMAKE_SYSTEM_PROCESSOR=${gnu_cpu}"; + } + if (not $ENV{CC}) { + push @flags, "-DCMAKE_C_COMPILER=" . dpkg_architecture_value("DEB_HOST_GNU_TYPE") . "-gcc"; + } + if (not $ENV{CXX}) { + push @flags, "-DCMAKE_CXX_COMPILER=" . dpkg_architecture_value("DEB_HOST_GNU_TYPE") . "-g++"; + } + push(@flags, "-DPKG_CONFIG_EXECUTABLE=/usr/bin/" . dpkg_architecture_value("DEB_HOST_GNU_TYPE") . "-pkg-config"); + push(@flags, "-DPKGCONFIG_EXECUTABLE=/usr/bin/" . dpkg_architecture_value("DEB_HOST_GNU_TYPE") . "-pkg-config"); + push(@flags, "-DQMAKE_EXECUTABLE=/usr/bin/" . dpkg_architecture_value("DEB_HOST_GNU_TYPE") . "-qmake"); + } + push(@flags, "-DCMAKE_INSTALL_LIBDIR=lib/" . dpkg_architecture_value("DEB_HOST_MULTIARCH")); + + # CMake doesn't respect CPPFLAGS, see #653916. + if ($ENV{CPPFLAGS} && ! compat(8)) { + $ENV{CFLAGS} .= ' ' . $ENV{CPPFLAGS}; + $ENV{CXXFLAGS} .= ' ' . $ENV{CPPFLAGS}; + } + + $this->mkdir_builddir(); + eval { + $this->doit_in_builddir("cmake", @flags, @_, $this->get_source_rel2builddir()); + }; + if (my $err = $@) { + if (-e $this->get_buildpath("CMakeCache.txt")) { + $this->doit_in_builddir('tail', '-v', '-n', '+0', 'CMakeCache.txt'); + } + if (-e $this->get_buildpath('CMakeFiles/CMakeOutput.log')) { + $this->doit_in_builddir('tail', '-v', '-n', '+0', 'CMakeFiles/CMakeOutput.log'); + } + if (-e $this->get_buildpath('CMakeFiles/CMakeError.log')) { + $this->doit_in_builddir('tail', '-v', '-n', '+0', 'CMakeFiles/CMakeError.log'); + } + die $err; + } +} + +sub build { + my $this=shift; + my $target = $this->get_targetbuildsystem; + if ($target->NAME eq 'makefile') { + # Add VERBOSE=1 for #973029 when not asked to be quiet/terse. + push(@_, "VERBOSE=1") if not $dh{QUIET}; + } + return $this->SUPER::build(@_); +} + +sub test { + my $this=shift; + my $target = $this->get_targetbuildsystem; + $ENV{CTEST_OUTPUT_ON_FAILURE} = 1; + if ($target->NAME eq 'makefile') { + # 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) ? $this->get_parallel() : 999; + unshift(@_, "ARGS+=-j$parallel"); + unshift(@_, "ARGS+=--verbose") if not get_buildoption("terse"); + } + return $this->SUPER::test(@_); +} + +sub install { + my $this = shift; + my $target = $this->get_targetbuildsystem; + + if (compat(13)) { + $target->install(@_); + } else { + # In compat 14 `cmake --install` is preferred to `make install`, + # see https://bugs.debian.org/1020732 + my $destdir = shift; + my %options = ( + update_env => { + 'LC_ALL' => 'C.UTF-8', + 'DESTDIR' => $destdir, + } + ); + print_and_doit(\%options, 'cmake', '--install', $this->get_buildpath, @_); + } + return 1; +} + +1 |