openbsd-ports/infrastructure/build/resolve-lib
espie f801d53cd6 do not consider static libraries if dynamic libraries are around.
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.
2002-03-04 13:39:34 +00:00

133 lines
3.1 KiB
Perl

#!/usr/bin/perl
# $OpenBSD: resolve-lib,v 1.2 2002/03/04 13:39:34 espie Exp $
#
# Copyright (c) 2001
# Marc Espie. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Neither the name of OpenBSD nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY ITS AUTHOR AND THE OpenBSD project ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
use strict;
my $noshared;
my $sharedonly;
my $strict;
my $reqmajor;
my $reqminor;
# Grab arguments
$_=shift;
if ($_ eq '-noshared') {
$noshared = 1;
$_ = shift;
}
s/\.$//;
# Parse spec
if (m/\.a$/) {
$_ = $`;
$noshared = 1;
} else {
if (m/\.(\d+)\.(\d+)$/) {
$reqmajor = $1;
$reqminor = $2;
$_ = $`;
} elsif (m/\.\=(\d+)\.(\d+)$/) {
$reqmajor = $1;
$reqminor = $2;
$_ = $`;
$strict = 1;
} elsif (m/\.(\d+)$/) {
$reqmajor = $1;
$reqminor = 0;
$_ = $`;
} elsif (m/\.\=(\d+)$/) {
$reqmajor = $1;
$reqminor = 0;
$strict = 1;
$_ = $`;
}
if (m/\.so$/) {
$_ = $`;
$sharedonly = 1;
}
}
{
my $libname=$_;
my $bestmajor=-1;
my $bestminor=-1;
my $found_shared;
my $found_goodshared;
my $found_unshared;
while(<>) {
chomp;
if (!$noshared && m/^lib$libname\.so\.(\d+)\.(\d+)$/) {
$found_shared = 1;
my $major = $1;
my $minor = $2;
if ($strict) {
if ($major > $reqmajor) {
print "Error: strict library too high\n";
exit(0);
}
if ($major < $reqmajor) {
next;
}
if ($minor < $reqminor) {
next;
}
$found_goodshared = 1;
$bestmajor = $major;
if ($minor >= $bestminor) {
$bestminor = $minor;
}
} else {
if ($major < $reqmajor || ($major == $reqmajor &&
$minor < $reqminor)) {
next;
}
$found_goodshared = 1;
if ($major > $bestmajor || ($major == $bestmajor &&
$minor > $bestminor)) {
$bestmajor = $major;
$bestminor = $minor;
}
}
} elsif (!$sharedonly && m/^lib$libname.a$/) {
$found_unshared = 1;
}
}
if ($found_goodshared) {
print "$libname.$bestmajor.$bestminor\n";
} elsif ($found_shared) {
print "Error: bad shared library\n";
} elsif ($found_unshared) {
print "$libname.a\n";
} else {
print "Missing library\n";
}
}