55 lines
1.4 KiB
Plaintext
55 lines
1.4 KiB
Plaintext
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use File::Find;
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use Config;
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if (@ARGV != 2) {
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warn <<"EOT";
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Usage: makeliblinks libautodir targetdir
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where libautodir is the architecture-dependent auto directory
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(e.g. $Config::Config{archlib}/auto).
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EOT
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exit 2;
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}
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my ($libautodir, $targetdir) = @ARGV;
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# Calculate relative path prefix from $targetdir to $libautodir
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sub relprefix {
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my ($to, $from) = @_;
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my $up;
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for ($up = 0; substr($to, 0, length($from)) ne $from; $up++) {
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$from =~ s(
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[^/]+ (?# a group of non-slashes)
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/* (?# maybe with some trailing slashes)
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$ (?# at the end of the path)
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)()x;
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}
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return (("../" x $up) . substr($to, length($from)));
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}
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my $relprefix = relprefix($libautodir, $targetdir);
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my ($dlext, $lib_ext) = @Config::Config{qw(dlext lib_ext)};
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sub link_if_library {
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if (/\.($dlext|$lib_ext)$/o) {
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my $ext = $1;
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my $name = $File::Find::name;
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if (substr($name, 0, length($libautodir) + 1) ne "$libautodir/") {
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die "directory of $name doesn't match $libautodir\n";
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}
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substr($name, 0, length($libautodir) + 1) = '';
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my @parts = split(m(/), $name);
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if ($parts[-1] ne "$parts[-2].$ext") {
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die "module name $_ doesn't match its directory $libautodir\n";
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}
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pop @parts;
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my $libpath = "$targetdir/lib" . join("__", @parts) . ".$ext";
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print "$libpath -> $relprefix/$name\n";
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symlink("$relprefix/$name", $libpath)
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or warn "above link failed with error: $!\n";
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}
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}
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find(\&link_if_library, $libautodir);
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exit 0;
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