--- Makefile.PL.old	2006-07-19 14:00:04.475243250 +0200
+++ Makefile.PL	2006-07-19 14:00:24.556498250 +0200
@@ -348,7 +348,7 @@
         my $icuflags = parrot_config($base, $parrot_config, 'icu_shared');
         my $include_path = parrot_config($base, $parrot_config, 'prefix') . parrot_config($base, $parrot_config, 'inc');
         my $rpath_blib = parrot_config($base, $parrot_config, 'rpath_blib');
-        my $build_dir = parrot_config($base, $parrot_config, 'top_builddir', 'build_dir');
+        my $build_dir = $ENV{PARROT_PATH};
         my $is_shared = parrot_config($base, $parrot_config, 'parrot_is_shared');
 
         # Convert flags to -optc-*,etc, to pass through ghc. c/ompiler l/inker