--- perldl.conf.orig	Mon Feb  8 18:21:45 1999
+++ perldl.conf	Mon Feb  8 20:04:29 1999
@@ -14,7 +14,7 @@
 # 0 -> don't use
 # true -> force use
 
-	WITH_POSIX_THREADS => undef,  	
+	WITH_POSIX_THREADS => 0,  	
 
 # Try to build Graphics/TriD
 	WITH_3D => 1,	
@@ -22,14 +22,14 @@
 #  You can use e.g. '-lMesaGL -lMesaGLU' with the correct -L directory
 #  to use Mesa.
 	OPENGL_LIBS => 
-             '-L/usr/X11R6/lib -L/usr/lib/mesa -lMesaGL -lMesaGLU -lGL -lGLU -lXext -lX11',
+             '%%LIBPATH%% -lMesaGL -lMesaGLU -lGL -lGLU -lXext -lX11',
 	OPENGL_DEFINE => '',
- 	OPENGL_INC => '-I/usr/X11R6/include',
+ 	OPENGL_INC => '%%INCPATH%%',
 
 
 # Whether or not to build the Karma interface module
 
-        WITH_KARMA => undef,    # Leave it up to PDL to decide
+        WITH_KARMA => 0,        # Leave it up to PDL to decide
         WHERE_KARMA => undef,   # Can specific explicit directory location
 	
 # Whether or not to build the PDL::Slatec module