--- Makefile.orig	Thu Jan 19 23:33:04 1995
+++ Makefile	Tue Sep 21 17:44:46 1999
@@ -4,7 +4,10 @@
 INSTALL= install
 MV= mv
 CHMOD= chmod
-CFLAGS= -g
+CFLAGS+= -g
+.if ${MACHINE_ARCH} == "i386"
+CFLAGS+= -DPAGE_PROTECTION_VIOLATED_SIGNAL=SIGBUS
+.endif
 LIB_INSTALL_DIR= /usr/lib
 MAN_INSTALL_DIR= /usr/man/man3