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Diffstat (limited to 'lib/Debian/Debhelper/Buildsystem/meson.pm')
| -rw-r--r-- | lib/Debian/Debhelper/Buildsystem/meson.pm | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/lib/Debian/Debhelper/Buildsystem/meson.pm b/lib/Debian/Debhelper/Buildsystem/meson.pm new file mode 100644 index 0000000..3cd447d --- /dev/null +++ b/lib/Debian/Debhelper/Buildsystem/meson.pm @@ -0,0 +1,158 @@ +# A debhelper build system class for handling Meson based projects. +# +# Copyright: © 2017 Michael Biebl +# License: GPL-2+ + +package Debian::Debhelper::Buildsystem::meson; + +use strict; +use warnings; +use Debian::Debhelper::Dh_Lib qw(compat dpkg_architecture_value is_cross_compiling doit warning error generated_file); +use parent qw(Debian::Debhelper::Buildsystem); + +sub DESCRIPTION { + "Meson (meson.build)" +} + +sub IS_GENERATOR_BUILD_SYSTEM { + return 1; +} + +sub SUPPORTED_TARGET_BUILD_SYSTEMS { + return qw(ninja); +} + + +sub check_auto_buildable { + my $this=shift; + my ($step)=@_; + + return 0 unless -e $this->get_sourcepath("meson.build"); + + # Handle configure explicitly; inherit the rest + return 1 if $step eq "configure"; + my $ret = $this->get_targetbuildsystem->check_auto_buildable(@_); + if ($ret == 0 and $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++; + } + return $ret; +} + +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 options for meson. + my @opts = ( + '--wrap-mode=nodownload', + ); + push @opts, "--buildtype=plain"; + push @opts, "--prefix=/usr"; + push @opts, "--sysconfdir=/etc"; + push @opts, "--localstatedir=/var"; + my $multiarch=dpkg_architecture_value("DEB_HOST_MULTIARCH"); + push @opts, "--libdir=lib/$multiarch"; + push(@opts, "--libexecdir=lib/$multiarch") if compat(11); + + if (is_cross_compiling()) { + # http://mesonbuild.com/Cross-compilation.html + my $cross_file = $ENV{'DH_MESON_CROSS_FILE'}; + if (not $cross_file) { + my $debcrossgen = '/usr/share/meson/debcrossgen'; + if (not -x $debcrossgen) { + warning("Missing debcrossgen (${debcrossgen}) cannot generate a meson cross file and non was provided"); + error("Cannot cross-compile: Please use meson (>= 0.42.1) or provide a cross file via DH_MESON_CROSS_FILE"); + } + my $filename = generated_file('_source', 'meson-cross-file.conf'); + my %options = ( + stdout => '/dev/null', + update_env => { LC_ALL => 'C.UTF-8'}, + ); + doit(\%options, $debcrossgen, "-o${filename}"); + $cross_file = $filename; + } + if ($cross_file !~ m{^/}) { + # Make the file name absolute as meson will be called from the build dir. + require Cwd; + $cross_file =~ s{^\./}{}; + $cross_file = Cwd::getcwd() . "/${cross_file}"; + } + push(@opts, '--cross-file', $cross_file); + } + + $this->mkdir_builddir(); + eval { + my %options = ( + update_env => { LC_ALL => 'C.UTF-8'}, + ); + $this->doit_in_builddir(\%options, "meson", "setup", $this->get_source_rel2builddir(), @opts, @_); + }; + if ($@) { + if (-e $this->get_buildpath("meson-logs/meson-log.txt")) { + $this->doit_in_builddir('tail', '-v', '-n', '+0', 'meson-logs/meson-log.txt'); + } + die $@; + } +} + +sub test { + my $this = shift; + my $target = $this->get_targetbuildsystem; + + eval { + if (compat(12) or $target->NAME ne 'ninja') { + $target->test(@_); + } else { + # In compat 13 with meson+ninja, we prefer using "meson test" + # over "ninja test" + my %options = ( + update_env => { + 'LC_ALL' => 'C.UTF-8', + } + ); + if ($this->get_parallel() > 0) { + $options{update_env}{MESON_TESTTHREADS} = $this->get_parallel(); + } + $this->doit_in_builddir(\%options, 'meson', 'test', @_); + } + }; + if (my $err = $@) { + if (-e $this->get_buildpath("meson-logs/testlog.txt")) { + $this->doit_in_builddir('tail', '-v', '-n', '+0', 'meson-logs/testlog.txt'); + } + die $err; + } + return 1; +} + +sub install { + my ($this, $destdir, @args) = @_; + my $target = $this->get_targetbuildsystem; + + if (compat(13) or $target->NAME ne 'ninja') { + $target->install($destdir, @args); + } else { + # In compat 14 with meson+ninja, we prefer using "meson install" + # over "ninja install" + my %options = ( + update_env => { + 'LC_ALL' => 'C.UTF-8', + } + ); + $this->doit_in_builddir(\%options, 'meson', 'install', '--destdir', $destdir, @args); + } + return 1; +} + + + +1 |