openbsd-ports/infrastructure/package/check-lib-depends
2004-11-13 11:49:48 +00:00

250 lines
6.0 KiB
Perl
Executable File

#!/usr/bin/perl
# $OpenBSD: check-lib-depends,v 1.4 2004/11/13 11:49:48 espie Exp $
# Copyright (c) 2004 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.
# check all packages in the current directory, and report library issues
use strict;
use warnings;
use File::Spec;
use File::Path;
use File::Basename;
use OpenBSD::PackageLocator;
use OpenBSD::PackageInfo;
use OpenBSD::PackingList;
use File::Temp;
use Getopt::Std;
package OpenBSD::PackingList;
package OpenBSD::PackingElement;
sub check_libs
{
}
package OpenBSD::PackingElement::LibDepend;
sub check_libs
{
my ($item, $t, $where, $handle, $system_libs) = @_;
$t->{deps}->{$item->{def}} = 1;
}
package OpenBSD::PackingElement::NewDepend;
sub check_libs
{
&OpenBSD::PackingElement::LibDepend::check_libs;
}
package OpenBSD::PackingElement::FileBase;
use File::Basename;
sub shellquote
{
local $_ = shift;
s/[*?;() #\\'"`\${}]/\\$&/g;
return $_;
}
my $portsdir;
$portsdir = $ENV{'PORTSDIR'} if defined $ENV{'PORTSDIR'};
sub check_libs
{
my ($item, $t, $where, $handle, $system_libs, $logfile) = @_;
my $fullname = File::Spec->canonpath($item->fullname());
if ($fullname =~ m/(^.*lib[^\/]+\.so\.\d+)\.\d+$/) {
$t->{has_libs}->{$&} = 1;
$t->{has_libs}->{$1} = 1;
}
if ($fullname =~ m/^.*lib[^\/]+\.so$/) {
$t->{has_libs}->{$&} = 1;
}
my $file = $handle->next();
$file->{destdir} = $where;
$file->{cwd} = $item->cwd();
$file->{name} = $fullname;
my $linux_bin = 0;
my $freebsd_bin = 0;
if ($fullname =~ m,^/usr/local/emul/redhat/,) {
$linux_bin = 1;
}
if ($fullname =~ m,^/usr/local/emul/freebsd/,) {
$freebsd_bin = 1;
}
# this will fail because of links, so we don't care.
eval { $file->create(); };
unless ($@) {
my $n = shellquote("$where$fullname");
open(my $cmd, "objdump -p $n 2>/dev/null|");
local $_;
my @l;
my @rpath;
while(<$cmd>) {
if (m/^\s+NEEDED\s+(.*?)\s*$/) {
my $lib = $1;
next if defined $system_libs->{$lib};
push(@l, $lib);
# detect linux binaries
if ($lib eq 'libc.so.6') {
$linux_bin = 1;
}
} elsif (m/^\s+RPATH\s+(.*?)\s*$/) {
my $r = $1;
@rpath= split(':', $r);
if (defined $portsdir and $r =~ m/\Q$portsdir\E/) {
print $t->{pkgname}, "($fullname) -> ", join(':', @rpath),"\n";
}
}
}
close($cmd);
if ($linux_bin) {
push(@rpath, (qw(/lib /usr/lib /usr/X11R6/lib)));
# linux ldconfig also looks in the current directory...
push(@rpath, dirname($fullname));
# XXX this is an approximation, as we don't check
# what directories exist or not.
push(@rpath, map {'/usr/local/emul/redhat'.$_} @rpath);
} elsif ($freebsd_bin) {
push(@rpath, (qw(/usr/lib /usr/X11R6/lib /usr/lib/compat)));
push(@rpath, map {'/usr/local/emul/freebsd'.$_} @rpath);
} else {
push(@rpath, '/usr/local/lib');
}
for my $lib (@l) {
$t->{need_libs}->{$lib} = [$fullname, @rpath];
}
}
# okay, we are not OpenBSD, we don't have sensible names
if ($linux_bin or $freebsd_bin) {
if ($fullname =~ m/^.*ld\-linux\.so\.\d+$/) {
$t->{has_libs}->{$&} = 1;
} elsif ($fullname =~ m/^.*lib[^\/]+\.so\.\d+$/) {
$t->{has_libs}->{$&} = 1;
} elsif ($fullname =~ m/^(.*lib[^\/]+\.so\.\d+)(\.\d+)\.\d+$/) {
$t->{has_libs}->{$&} = 1;
$t->{has_libs}->{$1} = 1;
$t->{has_libs}->{$1.$2} = 1;
}
}
unlink($where.$fullname);
}
package main;
sub analyze
{
my ($plist, $db, @l) = @_;
my $where = File::Temp::mkdtemp("/tmp/zoinx.XXXXXXXXXX");
my $pkgname = $plist->pkgname();
$db->{$pkgname} = {
pkgname => $pkgname,
has_libs => {},
need_libs => {},
deps => {},
walked => 0
} unless defined $db->{$pkgname};
my $t = $db->{$pkgname};
$plist->visit('check_libs', $t, $where, @l);
rmtree($where);
}
sub find_lib
{
my ($lib, $rp, $has) = @_;
for my $d (@$rp) {
return 1 if defined $has->{"$d/$lib"};
}
return 0;
}
my $logfile;
our ($opt_a, $opt_l);
getopts('al:');
print "Scanning packages\n";
print "-----------------\n";
if (@ARGV==0) {
@ARGV=(<*.tgz>);
}
if ($opt_l) {
open my $logfile, '>', $opt_l;
}
my $system_libs = {};
for my $l (glob('{/usr/lib,/usr/X11R6/lib}/lib*.so*')) {
if ($l =~ m/\/(lib[^\/]+\.so\.\d+\.\d+)$/) {
$system_libs->{$1} = 1;
}
}
my $db = {};
sub do_pkg
{
my $pkgname = shift;
print STDERR "$pkgname:\n";
my $true_package = OpenBSD::PackageLocator->find($pkgname);
return 0 unless $true_package;
my $dir = $true_package->info();
# twice read
return 0 unless -d $dir;
my $plist = OpenBSD::PackingList->fromfile($dir.CONTENTS);
analyze($plist, $db, $true_package, $system_libs, $logfile);
$true_package->close();
rmtree($dir);
$plist->forget();
return 1;
}
sub walk_libs
{
my ($entry, $db) = @_;
return if $entry->{walked};
for my $dep (keys %{$entry->{deps}}) {
if (!defined $db->{$dep} && $opt_a) {
do_pkg($dep);
}
print "Can't find $dep\n" unless defined $db->{$dep};
walk_libs($db->{$dep}, $db);
for my $l (keys %{$db->{$dep}->{has_libs}}) {
$entry->{has_libs}->{$l} = 1;
}
$entry->{walked} = 1;
}
}
for my $pkgname (@ARGV) {
do_pkg($pkgname);
}
for my $pkgname (sort keys %$db) {
my $t = $db->{$pkgname};
walk_libs($t, $db);
my @l = ();
for my $lib (sort keys %{$t->{need_libs}}) {
next if defined $t->{has_libs}->{$lib};
my $rp = $t->{need_libs}->{$lib};
my $name = shift(@$rp);
next if find_lib($lib, $rp, $t->{has_libs});
push(@l, "$lib ($name)");
}
if (@l != 0) {
print $pkgname, ": ", join(' ', @l), "\n";
}
}