9 skip_all("Code to read symbols not ported to $^O")
10 if $^O eq 'VMS' or $^O eq 'MSWin32';
12 # Not investigated *why* we don't export these, but we don't, and we've not
13 # received any bug reports about it causing problems:
14 my %skip = map { ("PL_$_", 1) }
16 DBcv bitcount cshname force_link_funcs generation lastgotoprobe
17 mod_latin1_uc modcount no_symref_sv uudmap
18 watchaddr watchok warn_uninit_sv hash_chars
21 $skip{PL_hash_rand_bits}= $skip{PL_hash_rand_bits_enabled}= 1; # we can be compiled without these, so skip testing them
22 $skip{PL_warn_locale}= 1; # we can be compiled without locales, so skip testing them
25 my $trial = "nm globals$Config{_o} 2>&1";
28 skip_all("Could not run `$trial`") if $?;
30 my $defined = qr/^[0-9a-fA-F]{8,16}\s+[^Uu]\s+_?/m;
32 skip_all("Could not spot definition of PL_Yes in output of `$trial`")
33 unless $yes =~ /${defined}PL_Yes/m;
36 open my $fh, '-|', $^X, '-Ilib', './makedef.pl', 'PLATFORM=test'
37 or die "Can't run makedef.pl";
45 close $fh or die "Problem running makedef.pl";
49 foreach my $file (map {$_ . $Config{_o}} qw(globals regcomp)) {
50 open $fh, '-|', 'nm', $file
51 or die "Can't run nm $file";
54 next unless /$defined(PL_\S+)/;
55 if (delete $exported{$1}) {
56 note("Seen definition of $1");
61 close $fh or die "Problem running nm $file";
64 unless ($Config{d_double_has_inf}) {
67 unless ($Config{d_double_has_nan}) {
71 foreach (sort keys %exported) {
73 skip("We dont't export '$_' (Perl not built with this enabled?)",1) if $skip{$_};
74 fail("Attempting to export '$_' which is never defined");
78 foreach (sort keys %unexported) {
80 skip("We don't export '$_'", 1) if $skip{$_};
81 fail("'$_' is defined, but we do not export it");