f801d53cd6
This is not the linker's way of working, but this is the way dependencies must be handled to find about update issues. naddy@ agrees, nobody else gives a fuck.
133 lines
3.1 KiB
Perl
133 lines
3.1 KiB
Perl
#!/usr/bin/perl
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# $OpenBSD: resolve-lib,v 1.2 2002/03/04 13:39:34 espie Exp $
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#
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# Copyright (c) 2001
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# Marc Espie. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Neither the name of OpenBSD nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY ITS AUTHOR AND THE OpenBSD project ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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use strict;
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my $noshared;
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my $sharedonly;
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my $strict;
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my $reqmajor;
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my $reqminor;
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# Grab arguments
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$_=shift;
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if ($_ eq '-noshared') {
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$noshared = 1;
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$_ = shift;
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}
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s/\.$//;
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# Parse spec
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if (m/\.a$/) {
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$_ = $`;
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$noshared = 1;
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} else {
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if (m/\.(\d+)\.(\d+)$/) {
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$reqmajor = $1;
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$reqminor = $2;
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$_ = $`;
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} elsif (m/\.\=(\d+)\.(\d+)$/) {
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$reqmajor = $1;
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$reqminor = $2;
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$_ = $`;
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$strict = 1;
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} elsif (m/\.(\d+)$/) {
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$reqmajor = $1;
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$reqminor = 0;
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$_ = $`;
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} elsif (m/\.\=(\d+)$/) {
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$reqmajor = $1;
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$reqminor = 0;
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$strict = 1;
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$_ = $`;
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}
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if (m/\.so$/) {
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$_ = $`;
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$sharedonly = 1;
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}
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}
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{
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my $libname=$_;
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my $bestmajor=-1;
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my $bestminor=-1;
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my $found_shared;
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my $found_goodshared;
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my $found_unshared;
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while(<>) {
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chomp;
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if (!$noshared && m/^lib$libname\.so\.(\d+)\.(\d+)$/) {
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$found_shared = 1;
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my $major = $1;
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my $minor = $2;
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if ($strict) {
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if ($major > $reqmajor) {
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print "Error: strict library too high\n";
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exit(0);
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}
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if ($major < $reqmajor) {
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next;
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}
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if ($minor < $reqminor) {
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next;
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}
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$found_goodshared = 1;
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$bestmajor = $major;
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if ($minor >= $bestminor) {
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$bestminor = $minor;
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}
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} else {
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if ($major < $reqmajor || ($major == $reqmajor &&
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$minor < $reqminor)) {
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next;
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}
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$found_goodshared = 1;
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if ($major > $bestmajor || ($major == $bestmajor &&
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$minor > $bestminor)) {
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$bestmajor = $major;
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$bestminor = $minor;
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}
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}
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} elsif (!$sharedonly && m/^lib$libname.a$/) {
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$found_unshared = 1;
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}
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}
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if ($found_goodshared) {
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print "$libname.$bestmajor.$bestminor\n";
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} elsif ($found_shared) {
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print "Error: bad shared library\n";
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} elsif ($found_unshared) {
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print "$libname.a\n";
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} else {
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print "Missing library\n";
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}
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}
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