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# ex:ts=8 sw=4:
# $OpenBSD: Compile.pm,v 1.13 2014/04/16 14:39:06 zhuk Exp $
#
# Copyright (c) 2007-2010 Steven Mestdagh <steven@openbsd.org>
# Copyright (c) 2012 Marc Espie <espie@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use strict;
use warnings;
package LT::Mode::Compile;
our @ISA = qw(LT::Mode);
use File::Basename;
use LT::LoFile;
use LT::Util;
use LT::Trace;
sub help
{
print <<"EOH";
Usage: $0 --mode=compile COMPILE-COMMAND [opts] SOURCE
Compile source file into library object
-o OUTPUT-FILE
EOH
}
my @valid_src = qw(asm c cc cpp cxx f s);
sub run
{
my ($class, $ltprog, $gp, $ltconfig) = @_;
my $lofile = LT::LoFile->new;
my $pic = !$ltconfig->noshared;
my $nonpic = 1;
if ($gp->has_tag('disable-shared')) {
$pic = 0;
}
if ($gp->has_tag('disable-static') && $pic) {
$nonpic = 0;
}
my $pic_mode = 0;
my @pie_flags = ();
$gp->handle_permuted_options('o:!@',
qr{\-Wc\,(.*)},
sub {
$gp->keep_for_later(split(/\,/, shift));
},
'Xcompiler:',
sub {
$gp->keep_for_later($_[2]);
},
'pie|fpie|fPIE',
sub {
push(@pie_flags, $_[3]);
},
'no-suppress', # we just ignore that one
'prefer-pic', sub { $pic_mode = 1; },
'prefer-non-pic', sub { $pic_mode = 0; },
'static',
sub {
$pic = 0;
$nonpic = 1;
},
'shared',
sub {
if (!$pic) {
shortdie "bad configuration: can't build shared library";
}
$nonpic = 0;
});
my ($outfile, $odir, $ofile, $srcfile, $srcext);
# XXX check whether -c flag is present and if not, die?
if ($gp->o) {
if ($gp->o > 1) {
shortdie "Can't specify -o more than once\n";
}
# fix extension if needed
($outfile = ($gp->o)[0]) =~ s/\.o$/.lo/;
$odir = dirname($outfile);
$ofile = basename($outfile);
} else {
# XXX sometimes no -o flag is present and we need another way
my $srcre = join '|', @valid_src;
my $found = 0;
foreach my $a (@main::ARGV) {
if ($a =~ m/\.($srcre)$/i) {
$srcfile = $a;
$srcext = $1;
$found = 1;
last;
}
}
$found or die "Cannot find source file in command\n";
# the output file ends up in the current directory
$odir = '.';
($ofile = basename($srcfile)) =~ s/\.($srcext)$/.lo/i;
$outfile = "$odir/$ofile";
}
tsay {"srcfile = $srcfile"} if $srcfile;
tsay {"outfile = $outfile"};
(my $nonpicobj = $ofile) =~ s/\.lo$/.o/;
my $picobj = "$ltdir/$nonpicobj";
$lofile->{picobj} = $picobj if $pic;
$lofile->{nonpicobj} = $nonpicobj if $nonpic;
$lofile->{picflags} = $ltconfig->picflags;
if ($pic_mode) {
$lofile->{nonpicflags} = $ltconfig->picflags;
} else {
$lofile->{nonpicflags} = \@pie_flags;
}
$lofile->compile($ltprog, $odir, \@ARGV);
$lofile->write($outfile);
}
1;
|
