diff -ru nethack-3.4.0.orig/include/config.h nethack-3.4.0/include/config.h
--- include/config.h	2002-03-21 00:42:43.000000000 +0100
+++ include/config.h	2003-02-27 15:38:23.000000000 +0100
@@ -163,11 +163,11 @@
 
 #ifdef UNIX
 /* path and file name extension for compression program */
-#define COMPRESS "/usr/bin/compress"	/* Lempel-Ziv compression */
-#define COMPRESS_EXTENSION ".Z"		/* compress's extension */
+/* #define COMPRESS "/usr/bin/compress" */	/* Lempel-Ziv compression */
+/* #define COMPRESS_EXTENSION ".Z" */		/* compress's extension */
 /* An example of one alternative you might want to use: */
-/* #define COMPRESS "/usr/local/bin/gzip" */	/* FSF gzip compression */
-/* #define COMPRESS_EXTENSION ".gz" */		/* normal gzip extension */
+#define COMPRESS "/bin/gzip"			/* FSF gzip compression */
+#define COMPRESS_EXTENSION ".gz"		/* normal gzip extension */
 #endif
 
 #ifndef COMPRESS