diff -Nru NetHack-3.6.7.orig/sys/unix/Makefile.utl NetHack-3.6.7/sys/unix/Makefile.utl --- NetHack-3.6.7.orig/sys/unix/Makefile.utl 2023-02-15 22:52:57.000000000 +0100 +++ NetHack-3.6.7/sys/unix/Makefile.utl 2023-10-08 15:12:17.968093996 +0200 @@ -94,8 +94,8 @@ # flags for debugging: # CFLAGS = -g -I../include -#CFLAGS = -O -I../include -#LFLAGS = +CFLAGS = -O -I../include +LFLAGS = # we specify C preprocessor flags via CFLAGS; files built with default rules # might include $(CPPFLAGS) which could get a value from user's environment; @@ -111,11 +111,11 @@ # yacc/lex programs to use to generate *_comp.h, *_lex.c, and *_yacc.c. # if, instead of yacc/lex you have bison/flex, comment/uncomment the following. -YACC = yacc -LEX = lex -# YACC = bison -y +# YACC = yacc +# LEX = lex +YACC = bison -y # YACC = byacc -# LEX = flex +LEX = flex # these are the names of the output files from YACC/LEX. Under MS-DOS # and similar systems, they may differ