--- sys/unix/Makefile.utl.orig	Sun Feb 13 07:26:46 2000
+++ sys/unix/Makefile.utl	Sun Feb 13 07:27:42 2000
@@ -86,8 +86,8 @@
 # if, instead of yacc/lex you have bison/flex, comment/uncomment the following.
 # YACC     = yacc
 # LEX      = lex
-YACC     = bison -y
-# YACC     = byacc
+# YACC     = bison -y
+YACC     = byacc
 LEX      = flex -8
  
 # these are the names of the output files from YACC/LEX. Under MS-DOS