use strict;
use warnings;
use Debian::Debhelper::Dh_Lib;
+use File::Spec;
use base 'Exporter';
-our @EXPORT=qw(&buildsystems_init &buildsystems_do &load_buildsystem);
-
-# XXX JEH as noted, this has to match historical order for back-compat
-# XXX MDX Current dh_auto_* look like:
-# configure: autotools, perl_makemaker, perl_build
-# build: makefile, python_distutils, perl_build
-# test: makefile, perl_build
-# install: makefile (with perl_makermaker) hack, python_distutils, perl_build
-# clean: makefile, python_distutils, perl_build
-# So historical @BUILDSYSTEMS order (as per autodetection, see
-# is_auto_buildable() of the respective classes):
-# autotools (+configure; the rest - next class)
-# python_distutils (+build +install +clean; the rest - next class)
-# perl_makemaker (+configure +install (special hack); the rest - next class)
-# makefile (+build +test +install +clean; configure - next class)
-# perl_build (handles everything)
-# XXX JEH I think that makes sense..
+our @EXPORT=qw(&buildsystems_init &buildsystems_do &load_buildsystem &load_all_buildsystems);
# Historical order must be kept for backwards compatibility. New
# buildsystems MUST be added to the END of the list.
our @BUILDSYSTEMS = (
- "autotools",
- "python_distutils",
+ "autoconf",
"perl_makemaker",
"makefile",
+ "python_distutils",
"perl_build",
"cmake",
);
+my $opt_buildsys;
+my $opt_sourcedir;
+my $opt_builddir;
+my $opt_list;
+
sub create_buildsystem_instance {
my $system=shift;
my %bsopts=@_;
error("unable to load buildsystem class '$system': $@");
}
- if (!exists $bsopts{builddir} && exists $dh{BUILDDIR}) {
- $bsopts{builddir} = $dh{BUILDDIR};
+ if (!exists $bsopts{builddir} && defined $opt_builddir) {
+ $bsopts{builddir} = ($opt_builddir eq "") ? undef : $opt_builddir;
+ }
+ if (!exists $bsopts{sourcedir} && defined $opt_sourcedir) {
+ $bsopts{sourcedir} = ($opt_sourcedir eq "") ? undef : $opt_sourcedir;
}
return $module->new(%bsopts);
}
+# Similar to create_buildsystem_instance(), but it attempts to autoselect
+# a buildsystem if none was specified. In case autoselection fails, undef
+# is returned.
sub load_buildsystem {
- my ($action, $system)=@_;
+ my $system=shift;
+ my $step=shift;
if (defined $system) {
- my $inst = create_buildsystem_instance($system);
- verbose_print("Selected buildsystem (specified): ".$inst->NAME());
+ my $inst = create_buildsystem_instance($system, @_);
return $inst;
}
else {
# Try to determine build system automatically
for $system (@BUILDSYSTEMS) {
- my $inst = create_buildsystem_instance($system, is_auto=>1);
- if ($inst->is_auto_buildable($action)) {
- verbose_print("Selected buildsystem (auto): ". $inst->NAME());
+ my $inst = create_buildsystem_instance($system, @_);
+ if ($inst->check_auto_buildable($step)) {
return $inst;
}
}
return;
}
-sub list_buildsystems {
- for my $system (@BUILDSYSTEMS) {
- my $inst = create_buildsystem_instance($system);
- printf("%s - %s.\n", $inst->NAME(), $inst->DESCRIPTION());
+sub load_all_buildsystems {
+ my $incs=shift || \@INC;
+ my (%buildsystems, @buildsystems);
+
+ for my $inc (@$incs) {
+ my $path = File::Spec->catdir($inc, "Debian/Debhelper/Buildsystem");
+ if (-d $path) {
+ for my $module_path (glob "$path/*.pm") {
+ my $name = basename($module_path);
+ $name =~ s/\.pm$//;
+ next if exists $buildsystems{$name};
+ $buildsystems{$name} = create_buildsystem_instance($name, @_);
+ }
+ }
+ }
+
+ # Push debhelper built-in buildsystems first
+ for my $name (@BUILDSYSTEMS) {
+ error("Debhelper built-in buildsystem '$name' could not be found/loaded")
+ if not exists $buildsystems{$name};
+ push @buildsystems, $buildsystems{$name};
+ delete $buildsystems{$name};
}
+
+ # The rest are 3rd party buildsystems
+ for my $name (keys %buildsystems) {
+ my $inst = $buildsystems{$name};
+ $inst->{thirdparty} = 1;
+ push @buildsystems, $inst;
+ }
+
+ return @buildsystems;
}
sub buildsystems_init {
my %args=@_;
- # TODO: Not documented in the manual pages yet.
- # Initialize options from environment variables
- # XXX JEH I think these should be my variables, they are only used
- # inside this one file so putting them in the global %dh hash seems
- # unnecessary.
- if (exists $ENV{DH_AUTO_BUILDDIRECTORY}) {
- $dh{BUILDDIR} = $ENV{DH_AUTO_BUILDDIRECTORY};
- }
- if (exists $ENV{DH_AUTO_BUILDSYSTEM}) {
- $dh{BUILDSYS} = $ENV{DH_AUTO_BUILDSYSTEM};
- }
-
# Available command line options
- my $list_bs = sub { list_buildsystems(); exit 0 };
- my $set_builddir = sub { $dh{BUILDDIR} = $_[1] };
my %options = (
- "b:s" => $set_builddir,
- "build-directory:s" => $set_builddir,
- "builddirectory:s" => $set_builddir,
+ "D=s" => \$opt_sourcedir,
+ "sourcedirectory=s" => \$opt_sourcedir,
+
+ "B:s" => \$opt_builddir,
+ "builddirectory:s" => \$opt_builddir,
- "m=s" => \$dh{BUILDSYS},
- # XXX JEH Let's only keep one spelling of this.
- "build-system=s" => \$dh{BUILDSYS},
- "buildsystem=s" => \$dh{BUILDSYS},
+ "S=s" => \$opt_buildsys,
+ "buildsystem=s" => \$opt_buildsys,
- "l" => $list_bs,
- "--list" => $list_bs,
+ "l" => \$opt_list,
+ "--list" => \$opt_list,
);
- map { $args{options}{$_} = $options{$_} } keys(%options);
+ $args{options}{$_} = $options{$_} foreach keys(%options);
Debian::Debhelper::Dh_Lib::init(%args);
}
+sub buildsystems_list {
+ my $step=shift;
+
+ # List buildsystems (including auto and specified status)
+ my ($auto, $specified);
+ my @buildsystems = load_all_buildsystems();
+ for my $inst (@buildsystems) {
+ my $is_specified = defined $opt_buildsys && $opt_buildsys eq $inst->NAME();
+ if (! defined $specified && defined $opt_buildsys && $opt_buildsys eq $inst->NAME()) {
+ $specified = $inst->NAME();
+ }
+ elsif (! defined $auto && ! $inst->{thirdparty} && $inst->check_auto_buildable($step)) {
+ $auto = $inst->NAME();
+ }
+ printf("%s - %s", $inst->NAME(), $inst->DESCRIPTION());
+ print " [3rd party]" if $inst->{thirdparty};
+ print "\n";
+ }
+ print "\n";
+ print "Auto-selected: $auto\n" if defined $auto;
+ print "Specified: $specified\n" if defined $specified;
+ print "No system auto-selected or specified\n"
+ if ! defined $auto && ! defined $specified;
+}
+
sub buildsystems_do {
- my $action=shift;
+ my $step=shift;
+
+ if (!defined $step) {
+ $step = basename($0);
+ $step =~ s/^dh_auto_//;
+ }
- if (!defined $action) {
- $action = basename($0);
- $action =~ s/^dh_auto_//;
+ if (grep(/^\Q$step\E$/, qw{configure build test install clean}) == 0) {
+ error("unrecognized build step: " . $step);
}
- if (grep(/^\Q$action\E$/, qw{configure build test install clean}) == 0) {
- error("unrecognized auto action: ".basename($0));
+ if ($opt_list) {
+ buildsystems_list($step);
+ exit 0;
}
- my $buildsystem = load_buildsystem($action, $dh{BUILDSYS});
+ my $buildsystem = load_buildsystem($opt_buildsys, $step);
if (defined $buildsystem) {
- $buildsystem->pre_action($action);
- $buildsystem->$action(@_, @{$dh{U_PARAMS}});
- $buildsystem->post_action($action);
+ $buildsystem->pre_building_step($step);
+ $buildsystem->$step(@_, @{$dh{U_PARAMS}});
+ $buildsystem->post_building_step($step);
}
return 0;
}