mirror of
git://git.code.sf.net/p/zsh/code
synced 2025-10-31 06:00:54 +01:00
64 lines
1.7 KiB
Perl
Executable file
64 lines
1.7 KiB
Perl
Executable file
#!/usr/local/bin/perl -w
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# Attempt to scan executable, libraries, and .export files after
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# a zsh build to see if all necessary symbols appear in the .export file
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# (and hence with `mod_export' in the source file). This keeps AIX happy.
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# Probably severely system dependent, but known to run on Fedora Core 1,
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# at least. Not needed on AIX itself... you can tell if doesn't link.
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if (! -f "zsh") {
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die "Can't file zsh, are we in the Src directory of the build?\n";
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}
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my (%defined, %undefined, %exported);
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foreach my $file ("zsh", glob("*.so */*.so")) {
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next unless -f $file;
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my $exports = $file;
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$exports =~ s/\.so//;
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$exports .= ".export";
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if (-f $exports) {
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open EXPORT, $exports or die "Can't read $exports: $!\n";
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my $href = $exported{$file} = { };
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while (<EXPORT>) {
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next if /^#/;
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chomp;
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$href->{$_} = 1;
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}
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close EXPORT;
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} else {
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warn "Hmmm... no .exports file for $file\n";
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}
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open PIPE, "nm $file |" or die "Can't popen nm";
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while (<PIPE>) {
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s/^[0-9a-f]*\s+//;
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my ($type, $sym) = split;
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# ignore local symbols (lower case)
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if ($type =~ /^[TBAD]/) {
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if (!defined $defined{$sym}) {
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$defined{$sym} = $file;
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}
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} elsif ($type eq 'U') {
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# could skip undefined from zsh and zsh.so, but what the heck
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my $ref = \$undefined{$sym};
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if (defined $$ref) {
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push @$$ref, $file;
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} else {
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$$ref = [ $file ];
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}
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}
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}
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close PIPE or die "nm failed";
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}
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foreach $sym (keys %undefined) {
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my $deffile = $defined{$sym};
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if (defined $deffile) {
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if (!$exported{$deffile}{$sym}) {
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printf "%-20s: %-20s: %s\n", $sym, $defined{$sym},
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join(" ", @{$undefined{$sym}});
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}
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}
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}
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