60 lines
1.8 KiB
Perl
Executable File
60 lines
1.8 KiB
Perl
Executable File
#! /usr/bin/perl
|
|
#
|
|
# Sets up /usr/bin/*-pkg-config symlinks to point to the cross wrapper.
|
|
#
|
|
# It is called from dpkg --post-invoke and from postinst with the "update"
|
|
# argument to instate the necessary symlinks.
|
|
#
|
|
# It is called from prerm with the "remove" argument to remove all symlinks.
|
|
#
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Dpkg::Arch qw(debarch_to_gnutriplet);
|
|
use Dpkg::ErrorHandling qw(error warning);
|
|
|
|
my $crosswrapper = "/usr/share/pkg-config-crosswrapper";
|
|
|
|
my $action = $ARGV[0];
|
|
error("parameter must be 'remove' or 'update'")
|
|
unless defined $action && ($action eq "remove" || $action eq "update");
|
|
|
|
my $arch = `dpkg --print-architecture`;
|
|
error('dpkg --print-architecture failed') if $? >> 8;
|
|
my @architectures = `dpkg --print-foreign-architectures`;
|
|
error('dpkg --print-foreign-architectures failed') if $? >> 8;
|
|
push @architectures, $arch;
|
|
chomp @architectures;
|
|
|
|
my %gnutriplets;
|
|
foreach my $arch (@architectures) {
|
|
my $triplet = debarch_to_gnutriplet($arch);
|
|
if (not defined($triplet)) {
|
|
warning("Architecture $arch not defined in architecture tables, ignored");
|
|
next;
|
|
}
|
|
$gnutriplets{$triplet} = 1;
|
|
}
|
|
|
|
my %symlinks = map { $_ => 1 } </usr/bin/*-pkg-config>;
|
|
|
|
foreach my $symlink (keys %symlinks) {
|
|
$symlink =~ m,^/usr/bin/([^-]+-[^-]+-[^-]+)-pkg-config, or next;
|
|
next if exists $gnutriplets{$1} && $action eq "update";
|
|
next unless -l $symlink;
|
|
next unless readlink $symlink eq $crosswrapper;
|
|
unlink $symlink or
|
|
error("failed to remove symlink $symlink: $!");
|
|
}
|
|
|
|
if ($action eq 'update') {
|
|
foreach (keys %gnutriplets) {
|
|
my $linktarget = "/usr/bin/${_}-pkg-config";
|
|
next if exists $symlinks{$linktarget};
|
|
next if -e $linktarget;
|
|
symlink $crosswrapper, $linktarget or
|
|
error("failed to create symlink $linktarget to $crosswrapper: $!");
|
|
}
|
|
}
|