diff -Nur dev86-0.16.0.orig/libbsd/Make.defs dev86-0.16.0/libbsd/Make.defs
--- dev86-0.16.0.orig/libbsd/Make.defs	Tue Apr 23 22:46:59 1996
+++ dev86-0.16.0/libbsd/Make.defs	Sun Nov 11 19:26:59 2001
@@ -53,7 +53,7 @@
 CC=gcc $(ARCH)
 # ARCH=-b i486-linuxaout
 LKFLAGS=-static -N
-CCFLAGS=-O6 -fomit-frame-pointer -I- -I$(TOP)/include -I. -fno-builtin
+CCFLAGS=$(OPT) -fomit-frame-pointer -I- -I$(TOP)/include -I. -fno-builtin
 WALL=	-ansi -pedantic -Wwrite-strings -Wpointer-arith -Wcast-qual \
 	-Wcast-align -Wtraditional -Wstrict-prototypes -Wmissing-prototypes \
 	-Wnested-externs -Winline -Wshadow
diff -Nur dev86-0.16.0.orig/makefile.in dev86-0.16.0/makefile.in
--- dev86-0.16.0.orig/makefile.in	Sun Nov 11 19:25:16 2001
+++ dev86-0.16.0/makefile.in	Sun Nov 11 19:26:23 2001
@@ -39,7 +39,7 @@
 WALL  =-Wstrict-prototypes
 
 CC	=gcc
-CFLAGS	=$(GCCFLAG) -Wall $(WALL) -O6 -g
+CFLAGS	=$(GCCFLAG) -Wall $(WALL) $(OPT)
 #endif
 
 #ifndef GNUMAKE