Make TEST and harness skip tests for extensions that were not

configured. Currently this skipping is silent - maybe they should
report what they are skipping.

p4raw-id: //depot/perl@23448

1 files changed, 21 insertions, 2 deletions

diff --git a/t/harness b/t/harness
index e745db8a34..4fc77460e7 100644
--- a/t/harness
+++ b/t/harness
@@ -50,6 +50,10 @@ my @tests = ();
 # [.VMS]TEST.COM calls harness with empty arguments, so clean-up @ARGV
 @ARGV = grep $_ && length( $_ ) => @ARGV;
 
+sub _populate_hash {
+    return map {$_, 1} split /\s+/, $_[0];
+}
+
 if (@ARGV) {
     if ($^O eq 'MSWin32') {
 	@tests = map(glob($_),@ARGV);
@@ -69,13 +73,28 @@ if (@ARGV) {
         push @tests, <lib/*.t>;
         push @tests, <japh/*.t> if $torture;
 	push @tests, <win32/*.t> if $^O eq 'MSWin32';
+	use Config;
+	my %skip;
+	{
+	    my %extensions = _populate_hash $Config{'extensions'};
+	    my %known_extensions = _populate_hash $Config{'known_extensions'};
+	    foreach (keys %known_extensions) {
+		$skip{$_}++ unless $extensions{$_};
+	    }
+	}
 	use File::Spec;
 	my $updir = File::Spec->updir;
 	my $mani  = File::Spec->catfile(File::Spec->updir, "MANIFEST");
 	if (open(MANI, $mani)) {
 	    while (<MANI>) { # similar code in t/TEST
-	    if (m!^(ext/\S+/?(?:[^/\s]+\.t|test\.pl)|lib/\S+?(?:\.t|test\.pl))\s!) {
-		    push @tests, File::Spec->catfile($updir, $1);
+		if (m!^(ext/(\S+)/+(?:[^/\s]+\.t|test\.pl)|lib/\S+?(?:\.t|test\.pl))\s!) {
+		    my ($test, $extension) = ($1, $2);
+		    if (defined $extension) {
+			$extension =~ s!/t$!!;
+			# XXX Do I want to warn that I'm skipping these?
+			next if $skip{$extension};
+		    }
+		    push @tests, File::Spec->catfile($updir, $test);
 		}
 	    }
 	    close MANI;