/usr/share/perl5/FCM/System/Make/Build/FileType/C.pm is in fcm 2016.12.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# (C) British Crown Copyright 2006-16 Met Office.
#
# This file is part of FCM, tools for managing and building source code.
#
# FCM is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# FCM is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with FCM. If not, see <http://www.gnu.org/licenses/>.
# ------------------------------------------------------------------------------
use strict;
use warnings;
# ------------------------------------------------------------------------------
package FCM::System::Make::Build::FileType::C;
use base qw{FCM::System::Make::Build::FileType};
use FCM::Context::Make::Build; # for FCM::Context::Make::Build::Target
use FCM::System::Make::Build::Task::Compile::C;
use FCM::System::Make::Build::Task::Install;
use FCM::System::Make::Build::Task::Link::C;
use File::Basename qw{basename};
# RE: file (base) name
my $RE_FILE = qr{[\w\-+.]+}imsx;
# RE: main program
my $RE_MAIN = qr{\A\s*(?:int|void)?\s*main\b\s*\(?}msx;
my %SOURCE_ANALYSE_DEP_OF = (
include => sub { $_[0] =~ qr{\A\#\s*include\s+"($RE_FILE)"}msx },
o => sub { lc($_[0]) =~ qr{\A\s*/\*\s*depends\s*on\s*:\s*($RE_FILE)}imsx },
);
my $TARGET = 'FCM::Context::Make::Build::Target';
my %TASK_CLASS_OF = (
'compile' => 'FCM::System::Make::Build::Task::Compile::C',
'install' => 'FCM::System::Make::Build::Task::Install',
'link' => 'FCM::System::Make::Build::Task::Link::C',
);
sub new {
my ($class, $attrib_ref) = @_;
bless(
FCM::System::Make::Build::FileType->new({
id => 'c',
file_ext => '.c .i .m .mi',
source_analyse_always => 1,
source_analyse_dep_of => {%SOURCE_ANALYSE_DEP_OF},
source_analyse_more => \&_source_analyse_more,
source_analyse_more_init => \&_source_analyse_more_init,
source_to_targets => \&_source_to_targets,
target_file_ext_of => {bin => '.exe', o => '.o'},
task_class_of => {%TASK_CLASS_OF},
%{$attrib_ref},
}),
$class,
);
}
sub _source_analyse_more {
my ($line, $info_hash_ref) = @_;
if (!$info_hash_ref->{main} && $line =~ $RE_MAIN) {
return $info_hash_ref->{main} = 1;
}
return;
}
sub _source_analyse_more_init {
my ($info_hash_ref) = @_;
$info_hash_ref->{main} = 0;
}
# Returns a list of targets for a given build source.
sub _source_to_targets {
my ($attrib_ref, $source, $prop_hash_ref) = @_;
my $key = basename($source->get_path());
my ($ext, $root) = $attrib_ref->{util}->file_ext($key);
my %dot = %{$prop_hash_ref};
my @deps = @{$source->get_deps()};
my $key_o = lc($root) . $dot{o}; # lc for legacy
my @targets = (
$TARGET->new(
{ category => $TARGET->CT_INCLUDE,
deps => [@deps],
dep_policy_of => {'include' => $TARGET->POLICY_CAPTURE},
key => $key,
status_of => {'include' => $TARGET->ST_UNKNOWN},
task => 'install',
}
),
$TARGET->new(
{ category => $TARGET->CT_O,
deps => [@deps],
dep_policy_of => {'include' => $TARGET->POLICY_CAPTURE},
info_of => {paths => []},
key => $key_o,
task => 'compile',
}
),
);
if ($source->get_info_of()->{'main'}) {
my @link_deps = grep {$_->[1] eq 'o'} @deps;
push(
@targets,
$TARGET->new(
{ category => $TARGET->CT_BIN,
deps => [[$key_o, 'o'], @link_deps],
dep_policy_of => {
map {($_ => $TARGET->POLICY_CAPTURE)} qw{o o.special},
},
info_of => {
paths => [], deps => {o => [], 'o.special' => []},
},
key => $root . $dot{bin},
task => 'link',
}
)
);
}
return @targets;
}
# ------------------------------------------------------------------------------
1;
__END__
=head1 NAME
FCM::System::Make::Build::FileType::C
=head1 SYNOPSIS
use FCM::System::Make::Build::FileType::C;
my $helper = FCM::System::Make::Build::FileType::C->new();
$helper->source_analyse($handle);
=head1 DESCRIPTION
A wrapper of
L<FCM::System::Make::Build::FileType|FCM::System::Make::Build::FileType> with
configurations to work with C source files.
=head1 COPYRIGHT
(C) Crown copyright Met Office. All rights reserved.
=cut
|