diff -urN PDL-2.4.2.orig/perldl.conf PDL-2.4.2/perldl.conf
--- PDL-2.4.2.orig/perldl.conf 2004-12-27 12:29:38.000000000 -0500
+++ PDL-2.4.2/perldl.conf 2005-05-28 02:39:06.000000000 -0400
@@ -83,7 +83,7 @@
# There are problems with the build on OS-X, so we turn it off by default
# for such systems
#
- WITH_3D => $^O eq "darwin" ? 0 : undef,
+ WITH_3D => 0,
#
# For Mesa 3.2
#
@@ -101,9 +101,9 @@
# OPENGL_DEFINE => '',
#
# Let perl try to figure it out
- OPENGL_LIBS => undef,
- OPENGL_INC => undef,
- OPENGL_DEFINE => undef,
+ OPENGL_LIBS => 0,
+ OPENGL_INC => 0,
+ OPENGL_DEFINE => 0,
# Whether or not to build the Karma interface module
WITH_KARMA => undef, # Leave it up to PDL to decide