openbsd-ports/infrastructure/bin/libtool
sthen 068886bea6 treat -all-static like -static; fixes sysutils/nut CGI scripts which
should be linked statically as reported by David Talkington. Tested with
all ports showing in bulk build logs as using -all-static.

"that looks ok for our needs" steven@
2011-05-16 20:09:54 +00:00

717 lines
20 KiB
Perl
Executable File

#!/usr/bin/perl
# $OpenBSD: libtool,v 1.32 2011/05/16 20:09:54 sthen Exp $
# Copyright (c) 2007-2010 Steven Mestdagh <steven@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;
use feature qw(say switch state);
use Cwd qw(getcwd abs_path);
use File::Basename;
use File::Glob ':glob';
use File::Path;
use Getopt::Long;
use Getopt::Std;
use FindBin;
my $ports1;
BEGIN {
$ports1 = $ENV{PORTSDIR} || '/usr/ports';
}
use lib ("$ports1/infrastructure/lib/LibTool", "$FindBin::Bin/../lib/LibTool");
use Trace;
use Exec;
use Parser;
use Util;
package main;
use subs qw(
create_symlinks
generate_objlist
get_search_dirs
guess_implicit_mode
help
notyet
parse_version_info
process_deplibs
is_wrapper
);
use Config;
use constant {
OBJECT => 0,
LIBRARY => 1,
PROGRAM => 2,
};
my @no_shared_archs = qw(m88k vax);
# XXX my $machine_arch = `machine -a`;
my $machine_arch = $Config{'ARCH'};
(my $gnu_arch = $machine_arch) =~ s/amd64/x86_64/;
my @valid_modes = qw(clean compile execute finish install link uninstall);
my @valid_src = qw(asm c cc cpp cxx f s);
my $cwd = getcwd();
my $instlibdir = '/usr/local/lib';
my @libsearchdirs;
$instlibdir = $ENV{'LIBDIR'} if defined $ENV{'LIBDIR'};
my $mode;
our $D = 0; # debug flag
my $verbose = 1;
my %opts; # options passed to libtool
my @tags; # list of --tag options passed to libtool
# just to be clear:
# when building a library:
# * -R libdir records libdir in dependency_libs
# * -rpath is the path where the (shared) library will be installed
# when building a program:
# * both -R libdir and -rpath libdir add libdir to the run-time path
# -Wl,-rpath,libdir will bypass libtool.
# build static/shared objects?
my $static = 1;
my $shared = 0;
my $convenience = 0;
my $noshared = 0;
if (grep { $_ eq $machine_arch } @no_shared_archs) {
$noshared = 1;
}
my $gp = new Getopt::Long::Parser;
# require_order so we stop parsing at the first non-option or argument,
# instead of parsing the whole ARGV.
$gp->configure( 'no_ignore_case',
'pass_through',
'no_auto_abbrev',
'require_order'
);
$gp->getoptions('config' => \&config,
'debug' => \$D,
'dry-run|n' => sub { Exec->dry_run },
'features' => \&notyet,
'finish' => sub { $mode = 'finish'; },
'help' => \&help, # does not return
'mode=s{1}' => \$mode,
'quiet' => sub { $verbose = 0; },
'silent' => sub { $verbose = 0; },
'tag=s{1}' => \@tags,
'version' => sub { say $version ; exit(0); },
);
if ($verbose || $D) {
Exec->verbose_run;
}
# what are we going to run (cc, c++, ...)
my $ltprog = ();
# deal with multi-arg ltprog
Trace::debug {"ARGV = @ARGV\n"};
while (@ARGV) {
# just read arguments until the next option...
if ($ARGV[0] =~ m/^\-/) { last; }
# XXX improve checks
if ($ARGV[0] =~ m/^\S+\.la/) { last; }
my $arg = shift @ARGV;
push @$ltprog, $arg;
Trace::debug {"arg = \"$arg\"\n"};
# if the current argument is an install program, stop immediately
if ($arg =~ /cp$/) { last; }
if ($arg =~ /install([-.]sh)?$/) { last; }
}
Trace::debug {"ltprog = \"@$ltprog\"\n"};
if (@$ltprog == 0) { die "No libtool command given.\n" };
# make ltprog a list of elements without whitespace (prevent exec errors)
my @tmp_ltprog = @$ltprog;
@$ltprog = ();
for my $el (@tmp_ltprog) {
my @parts = split /\s+/, $el;
push @$ltprog, @parts;
}
# check mode and guess it if needed
if (!($mode && grep { $_ eq $mode } @valid_modes)) {
$mode = guess_implicit_mode($ltprog);
if ($mode) {
Trace::debug {"implicit mode: $mode\n"};
} else {
die "MODE must be one of:\n@valid_modes\n";
}
}
# from here, options may be intermixed with arguments
$gp->configure('permute');
if ($mode eq 'compile') {
require LoFile;
my $lofile = LoFile->new;
$gp->getoptions('o=s' => \$opts{'o'},
'prefer-pic' => \$opts{'prefer-pic'},
'prefer-non-pic'=> \$opts{'prefer-non-pic'},
'static' => \$opts{'static'},
);
# XXX options ignored: -prefer-pic and -prefer-non-pic
my $pic = 0;
my $nonpic = 1;
# assume we need to build pic objects
$pic = 1 if (!$noshared);
$nonpic = 0 if ($pic && grep { $_ eq 'disable-static' } @tags);
$pic = 0 if ($nonpic && grep { $_ eq 'disable-shared' } @tags);
$nonpic = 1 if ($opts{'static'});
my ($outfile, $odir, $ofile, $srcfile, $srcext);
# XXX check whether -c flag is present and if not, die?
if ($opts{'o'}) {
# fix extension if needed
($outfile = $opts{'o'}) =~ s/\.o$/.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 $a (@ARGV) {
if ($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";
}
Trace::debug {"srcfile = $srcfile\n"} if $srcfile;
Trace::debug {"outfile = $outfile\n"};
(my $nonpicobj = $ofile) =~ s/\.lo$/.o/;
my $picobj = "$ltdir/$nonpicobj";
$lofile->{picobj} = $picobj if $pic;
$lofile->{nonpicobj} = $nonpicobj if $nonpic;
$lofile->compile($ltprog, $odir, \@ARGV);
$lofile->write($outfile);
} elsif ($mode eq 'install') {
# we just parse the options in order to find the actual arguments
my @argvcopy = @ARGV;
my %install_opts;
Trace::debug {"ltprog[-1] = $$ltprog[-1]\n"};
if ($$ltprog[-1] =~ m/install([.-]sh)?$/) {
getopts('BbCcdf:g:m:o:pSs', \%install_opts);
if (@ARGV < 2 && (!defined $install_opts{'d'} && @ARGV == 1)) {
die "Wrong number of arguments for install\n";
}
} elsif ($$ltprog[-1] =~ m/cp$/) {
getopts('HLPRfipr', \%install_opts);
if (@ARGV < 2) {
die "Wrong number of arguments for install\n";
}
} else {
die "Unsupported install program $$ltprog[-1]\n";
}
my @instopts = @argvcopy[0 .. (@argvcopy - @ARGV - 1)];
my $dst = pop @ARGV;
my @src = @ARGV;
my $dstdir;
if (-d $dst) {
$dstdir = $dst;
} else {
# dst is not a directory, i.e. a file
if (@src > 1) {
# XXX not really libtool's task to check this
die "Multiple source files combined with file destination.\n";
} else {
$dstdir = dirname $dst;
}
}
foreach my $s (@src) {
my $dstfile = basename $s;
# resolve symbolic links, so we don't try to test later
# whether the symlink is a program wrapper etc.
if (-l $s) {
$s = readlink($s) or die "Cannot readlink $s: $!\n";
}
my $srcdir = dirname $s;
my $srcfile = basename $s;
Trace::debug {"srcdir = $srcdir\nsrcfile = $srcfile\n"};
Trace::debug {"dstdir = $dstdir\ndstfile = $dstfile\n"};
if ($srcfile =~ m/^\S+\.la$/) {
require LaFile;
LaFile->install($s, $dstdir, $ltprog, \@instopts, $install_opts{'s'});
} elsif (-f "$srcdir/$ltdir/$srcfile" && is_wrapper($s)) {
require Program;
Program->install($s, $dst, $ltprog, \@instopts);
} else {
Exec->command(@$ltprog, @instopts, $s, $dst);
}
}
if (defined $install_opts{'d'}) {
Exec->command(@$ltprog, @instopts, @ARGV);
}
} elsif ($mode eq 'link') {
my $cmd;
my @Ropts; # -R options on the command line
my @Rresolved; # -R options originating from .la resolution
my @RPopts; # -rpath options
my $deplibs = []; # list of dependent libraries (both -L and -l flags)
my $libdirs = []; # list of libdirs
my $libs = {}; # libraries
my $dirs = {}; # paths to find libraries
# put a priority in the dir hash
# always look here
$dirs->{'/usr/lib'} = 3;
$gp->getoptions('all-static' => \$opts{'all-static'},
'avoid-version' => \$opts{'avoid-version'},
'dlopen=s{1}' => \$opts{'dlopen'},
'dlpreopen=s{1}' => \$opts{'dlpreopen'},
'export-dynamic' => \$opts{'export-dynamic'},
'export-symbols=s' => \$opts{'export-symbols'},
'export-symbols-regex=s'=> \$opts{'export-symbols-regex'},
'module' => \$opts{'module'},
'no-fast-install' => \$opts{'no-fast-install'},
'no-install' => \$opts{'no-install'},
'no-undefined' => \$opts{'no-undefined'},
'o=s' => \$opts{'o'},
'objectlist=s' => \$opts{'objectlist'},
'precious-files-regex=s'=> \$opts{'precious-files-regex'},
'prefer-pic' => \$opts{'prefer-pic'},
'prefer-non-pic' => \$opts{'prefer-non-pic'},
'release=s' => \$opts{'release'},
'rpath=s' => \@RPopts,
'R=s' => \@Ropts,
'shrext=s' => \$opts{'shrext'},
'static' => \$opts{'static'},
'thread-safe' => \$opts{'thread-safe'},
'version-info=s{1}' => \$opts{'version-info'},
'version_info=s{1}' => \$opts{'version-info'},
'version-number=s{1}' => \$opts{'version-info'},
);
# XXX options ignored: dlopen, dlpreopen, no-fast-install,
# no-install, no-undefined, precious-files-regex,
# shrext, thread-safe, prefer-pic, prefer-non-pic
@libsearchdirs = get_search_dirs();
# add the .libs dir as well in case people try to link directly
# with the real library instead of the .la library
push @libsearchdirs, './.libs';
my $outfile = $opts{'o'};
if (!$outfile) {
die "No output file given.\n";
}
Trace::debug {"outfile = $outfile\n"};
my $odir = dirname $outfile;
my $ofile = basename $outfile;
# what are we linking?
my $linkmode = PROGRAM;
if ($ofile =~ m/\.l?a$/) {
$linkmode = LIBRARY;
}
Trace::debug {"linkmode: $linkmode\n"};
# eat multiple version-info arguments, we only accept the first.
map { $_ = '' if ($_ =~ m/\d+:\d+:\d+/); } @ARGV;
my @objs;
my @sobjs;
if ($opts{'objectlist'}) {
my $objectlist = $opts{'objectlist'};
open(my $ol, '<', $objectlist) or die "Cannot open $objectlist: $!\n";
my @objlist = <$ol>;
for (@objlist) { chomp; }
generate_objlist(\@objs, \@sobjs, \@objlist);
} else {
generate_objlist(\@objs, \@sobjs, \@ARGV);
}
Trace::debug {"objs = @objs\n"};
Trace::debug {"sobjs = @sobjs\n"};
my $parser = Parser->new(\@ARGV);
$parser->{result} = [];
if ($linkmode == PROGRAM) {
require Program;
my $program = Program->new;
$program->{outfilepath} = $outfile;
# XXX give higher priority to dirs of not installed libs
if ($opts{'export-dynamic'}) {
push(@{$parser->{args}}, "-Wl,-E");
}
$parser->parse_linkargs1($deplibs, \@Rresolved, \@libsearchdirs,
$dirs, $libs, $parser->{args}, 0);
$parser->{args} = $parser->{result};
Trace::debug {"end parse_linkargs1\n"};
Trace::debug {"deplibs = @$deplibs\n"};
$program->{objlist} = \@objs;
if (@objs == 0) {
if (@sobjs > 0) {
Trace::debug {"no non-pic libtool objects found, trying pic objects...\n"};
$program->{objlist} = \@sobjs;
} elsif (@sobjs == 0) {
Trace::debug {"no libtool objects of any kind found\n"};
Trace::debug {"hoping for real objects in ARGV...\n"};
}
}
my $RPdirs = [];
@$RPdirs = (@Ropts, @RPopts, @Rresolved);
$program->{RPdirs} = $RPdirs;
$program->link($ltprog, $dirs, $libs, $deplibs, $libdirs, $parser, \%opts);
} elsif ($linkmode == LIBRARY) {
require LaFile;
my $lainfo = LaFile->new;
$shared = 1 if ($opts{'version-info'} ||
$opts{'avoid-version'} ||
$opts{'module'});
if (!@RPopts) {
$convenience = 1;
$noshared = 1;
$static = 1;
$shared = 0;
} else {
$shared = 1;
}
if ($ofile =~ m/\.a$/ && !$convenience) {
$ofile =~ s/\.a$/.la/;
$outfile =~ s/\.a$/.la/;
}
(my $libname = $ofile) =~ s/\.l?a$//; # remove extension
my $staticlib = $libname.'.a';
my $sharedlib = $libname.'.so';
my $sharedlib_symlink;
if ($opts{'static'} || $opts{'all-static'}) {
$shared = 0;
$static = 1;
}
$shared = 0 if $noshared;
$parser->parse_linkargs1($deplibs, \@Rresolved, \@libsearchdirs,
$dirs, $libs, $parser->{args}, 0);
$parser->{args} = $parser->{result};
Trace::debug {"end parse_linkargs1\n"};
Trace::debug {"deplibs = @$deplibs\n"};
my $sover = '0.0';
my $origver = 'unknown';
# environment overrides -version-info
(my $envlibname = $libname) =~ s/[.+-]/_/g;
my ($current, $revision, $age) = (0, 0, 0);
if ($opts{'version-info'}) {
($current, $revision, $age) = parse_version_info($opts{'version-info'});
$origver = "$current.$revision";
$sover = $origver;
}
if ($ENV{"${envlibname}_ltversion"}) {
# this takes priority over the previous
$sover = $ENV{"${envlibname}_ltversion"};
($current, $revision) = split /\./, $sover;
$age = 0;
}
if (defined $opts{'release'}) {
$sharedlib_symlink = $sharedlib;
$sharedlib = $libname.'-'.$opts{'release'}.'.so';
}
if ($opts{'avoid-version'} ||
(defined $opts{'release'} && !$opts{'version-info'})) {
# don't add a version in these cases
} else {
$sharedlib .= ".$sover";
if (defined $opts{'release'}) {
$sharedlib_symlink .= ".$sover";
}
}
# XXX add error condition somewhere...
$static = 0 if ($shared && grep { $_ eq 'disable-static' } @tags);
$shared = 0 if ($static && grep { $_ eq 'disable-shared' } @tags);
Trace::debug {"SHARED: $shared\nSTATIC: $static\n"};
$lainfo->{'libname'} = $libname;
if ($shared) {
$lainfo->{'dlname'} = $sharedlib;
$lainfo->{'library_names'} = $sharedlib;
$lainfo->{'library_names'} .= " $sharedlib_symlink"
if (defined $opts{'release'});
$lainfo->link($ltprog, $ofile, $sharedlib, $odir, 1, \@sobjs, $dirs, $libs, $deplibs, $libdirs, $parser, \%opts);
Trace::debug {"sharedlib: $sharedlib\n"};
$lainfo->{'current'} = $current;
$lainfo->{'revision'} = $revision;
$lainfo->{'age'} = $age;
}
if ($static) {
$lainfo->{'old_library'} = $staticlib;
$lainfo->link($ltprog, $ofile, $staticlib, $odir, 0, ($convenience && @sobjs > 0) ? \@sobjs : \@objs, $dirs, $libs, $deplibs, $libdirs, $parser, \%opts);
Trace::debug {($convenience ? "convenience" : "static")." lib: $staticlib\n"};
}
$lainfo->{'installed'} = 'no';
$lainfo->{'shouldnotlink'} = $opts{'module'} ? 'yes' : 'no';
map { $_ = "-R$_" } @Ropts;
unshift @$deplibs, @Ropts if (@Ropts);
Trace::debug {"deplibs = @$deplibs\n"};
my $finaldeplibs = reverse_zap_duplicates_ref($deplibs);
Trace::debug {"finaldeplibs = @$finaldeplibs\n"};
$lainfo->set('dependency_libs', "@$finaldeplibs");
if (@RPopts) {
if (@RPopts > 1) {
Trace::debug {"more than 1 -rpath option given, taking the first: ", $RPopts[0], "\n"};
}
$lainfo->{'libdir'} = $RPopts[0];
}
if (!($convenience && $ofile =~ m/\.a$/)) {
$lainfo->write($outfile, $ofile);
unlink("$odir/$ltdir/$ofile");
symlink("../$ofile", "$odir/$ltdir/$ofile");
}
my $lai = "$odir/$ltdir/$ofile".'i';
if ($shared) {
my $pdeplibs = process_deplibs($finaldeplibs);
if (defined $pdeplibs) {
$lainfo->set('dependency_libs', "@$pdeplibs");
}
if (! $opts{'module'}) {
$lainfo->write_shared_libs_log($origver);
}
}
$lainfo->{'installed'} = 'yes';
# write .lai file (.la file that will be installed)
$lainfo->write($lai, $ofile);
}
} elsif ($mode eq 'finish' || $mode eq 'clean' || $mode eq 'uninstall') {
# don't do anything
exit 0;
} elsif ($mode eq 'execute') {
# XXX check whether this is right
Exec->silent_run;
Exec->command(@$ltprog, @ARGV);
} else {
die "MODE=$mode not implemented yet.\n";
}
if (Exec->performed == 0) {
die "No commands to execute.\n"
}
###########################################################################
sub help
{
print <<EOF
Usage: $0 [options]
--config - print configuration
--debug - turn on debugging output
--dry-run - don't do anything, only show what would be done
--help - this message
--mode=MODE - use operation mode MODE
--quiet - do not print informational messages
--silent - same as `--quiet'
--tag -
--version - print version of libtool
EOF
;
exit 1;
}
sub notyet
{
die "Option not implemented yet.\n";
}
# XXX incomplete
sub config
{
print "objdir=$ltdir\n";
print "arch=$machine_arch\n";
print "...\n";
exit 0;
}
# convert 4:5:8 into a list of numbers
sub parse_version_info
{
my $vinfo = shift;
if ($vinfo =~ m/^(\d+):(\d+):(\d+)$/) {
return ($1, $2, $3);
} elsif ($vinfo =~ m/^(\d+):(\d+)$/) {
return ($1, $2, 0);
} elsif ($vinfo =~ m/^(\d+)$/) {
return ($1, 0, 0);
} else {
die "Error parsing -version-info $vinfo\n";
}
}
sub create_symlinks
{
my $dir = shift;
my $libs = shift;
if (! -d $dir) {
mkdir $dir or die "Cannot create directory: $!\n";
}
foreach my $l (values %$libs) {
my $f = $l->{fullpath};
next if (!defined $f);
next if ($f =~ m/\.a$/);
my $libnames = [];
if (defined $l->{lafile}) {
require LaFile;
my $lainfo = LaFile->parse($l->{lafile});
my $librarynames = $lainfo->stringize('library_names');
@$libnames = split /\s/, $librarynames;
$libnames = reverse_zap_duplicates_ref($libnames);
} else {
push @$libnames, basename $f;
}
foreach my $libfile (@$libnames) {
Trace::debug {"ln -s $f $dir/$libfile\n"};
if (! -f "$dir/$libfile") {
symlink abs_path($f), "$dir/$libfile" or die "Cannot create symlink: $!\n";
}
}
}
}
# prepare dependency_libs information for the .la file which is installed
# i.e. remove any .libs directories and use the final libdir for all the
# .la files
sub process_deplibs
{
my $linkflags = shift;
my $result;
foreach my $lf (@$linkflags) {
if ($lf =~ m/-L\S+\Q$ltdir\E$/) {
} elsif ($lf =~ m/-L\./) {
} elsif ($lf =~ m/\/\S+\/(\S+\.la)/) {
my $lafile = $1;
require LaFile;
my $libdir = LaFile->parse($lf)->{'libdir'};
if ($libdir eq '') {
# this drops libraries which will not be
# installed
# XXX improve checks when adding to deplibs
say "warning: $lf dropped from deplibs";
} else {
$lf = $libdir.'/'.$lafile;
push @$result, $lf;
}
} else {
push @$result, $lf;
}
}
return $result;
}
# populate arrays of non-pic and pic objects and remove these from @ARGV
sub generate_objlist
{
my $objs = shift;
my $sobjs = shift;
my $objsource = shift;
my $result = [];
foreach my $a (@$objsource) {
if ($a =~ m/\S+\.lo$/) {
require LoFile;
my $ofile = basename $a;
my $odir = dirname $a;
my $loinfo = LoFile->parse($a);
if ($loinfo->{'non_pic_object'}) {
my $o;
$o .= "$odir/" if ($odir ne '.');
$o .= $loinfo->{'non_pic_object'};
push @$objs, $o;
}
if ($loinfo->{'pic_object'}) {
my $o;
$o .= "$odir/" if ($odir ne '.');
$o .= $loinfo->{'pic_object'};
push @$sobjs, $o;
}
} elsif ($a =~ m/\S+\.o$/) {
push @$objs, $a;
} else {
push @$result, $a;
}
}
@$objsource = @$result;
}
# XXX reuse code from SharedLibs.pm instead
sub get_search_dirs
{
my @libsearchdirs;
open(my $fh, '-|', '/sbin/ldconfig -r');
if (defined $fh) {
while (<$fh>) {
if (m/^\s*search directories:\s*(.*?)\s*$/o) {
foreach my $d (split(/\:/o, $1)) {
push @libsearchdirs, $d;
}
last;
}
}
close($fh);
} else {
die "Can't run ldconfig\n";
}
return @libsearchdirs;
}
# try to guess libtool mode when it is not specified
sub guess_implicit_mode
{
my $ltprog = shift;
my $m = 0;
for my $a (@$ltprog) {
if ($a =~ m/(install([.-]sh)?|cp)$/) {
$m = 'install';
} elsif ($a =~ m/cc|c\+\+/) { # XXX improve test
if (grep { $_ eq '-c' } @ARGV) {
$m = 'compile';
} else {
$m = 'link';
}
}
}
return $m;
}
sub is_wrapper
{
# my $self = shift;
my $program = shift;
open(my $pw, '<', $program) or die "Cannot open $program: $!\n";
return eval(grep { m/wrapper\sfor/ } <$pw>);
}