--- ./sys/unix/Makefile.src.org	Tue Jul 20 09:28:29 1993
+++ ./sys/unix/Makefile.src	Fri Dec  9 23:48:29 1994
@@ -91,7 +91,7 @@
 # flags for debugging:
 # CFLAGS = -g -I../include
 
-CFLAGS = -g -I../include
+CFLAGS = -O2 -m486 -I../include
 LFLAGS =