--- Makefile.orig	Wed Nov 18 20:13:30 1998
+++ Makefile	Fri Nov 12 02:17:34 1999
@@ -1,12 +1,12 @@
 # aish/koish 1993,94,95 by H.Ogasawara (COR.)
 
 # install directory
-DSTDIR	= /usr/local/bin
+DSTDIR	= ${PREFIX}/bin
 
 #### *** UNIX
-CC	= gcc
+CC	?= gcc
 LK	= $(CC)
-CFLAGS	= -O -DUNIX=1 -DUUENCODE=1 -DMIMEDEC=1
+CFLAGS	+= -DUNIX=1 -DUUENCODE=1 -DMIMEDEC=1
 #CFLAGS	= -O -DUNIX=1 -DUUENCODE=1
 SYSOBJ	= ai_unix.o
 SYSCHK	= syschk.h
@@ -127,9 +127,9 @@
 clean:
 	rm -f *.o $(SYSCHK) $(PROG) $(MPROG) core *~
 install: $(PROG) $(MPROG)
-	install -c -s $(PROG) $(DSTDIR)
-	install -c -s $(MPROG) $(DSTDIR)
-	install -c -m 0755 ishcat $(DSTDIR)
+	${BSD_INSTALL_PROGRAM} $(PROG) $(DSTDIR)
+	${BSD_INSTALL_PROGRAM} $(MPROG) $(DSTDIR)
+	${BSD_INSTALL_SCRIPT} ishcat $(DSTDIR)
 oldc:
 	sed '/^##--OLDC-b/,/^##--OLDC-e/s/^#//' Makefile | \
 	sed '/^##--NEWC-b/,/^##--NEWC-e/s/.*/#&/' > aisholdc.mk