Index: Makefile
--- Makefile.orig
+++ Makefile
@@ -4,8 +4,8 @@ NAME = sic
 VERSION = 1.3
 
 # paths
-PREFIX = /usr/local
-MANPREFIX = ${PREFIX}/share/man
+PREFIX ?= /usr/local                                                                                      
+MANPREFIX = ${PREFIX}/man
 
 # use system flags.
 SIC_CFLAGS = ${CFLAGS}
@@ -44,12 +44,12 @@ dist:
 	rm -rf "${NAME}-${VERSION}"
 
 install: all
-	mkdir -p ${DESTDIR}${PREFIX}/bin
-	cp -f ${BIN} "${DESTDIR}${PREFIX}/bin"
-	chmod 755 "${DESTDIR}${PREFIX}/bin/${BIN}"
-	mkdir -p "${DESTDIR}${MANPREFIX}/man1"
-	sed "s/VERSION/${VERSION}/g" < ${MAN1} > "${DESTDIR}${MANPREFIX}/man1/${MAN1}"
-	chmod 644 "${DESTDIR}${MANPREFIX}/man1/${MAN1}"
+	${BSD_INSTALL_PROGRAM_DIR} ${DESTDIR}${PREFIX}/bin
+	${BSD_INSTALL_PROGRAM} ${BIN} ${DESTDIR}${PREFIX}/bin
+	${BSD_INSTALL_MAN_DIR} ${DESTDIR}${MANPREFIX}/man1
+	sed "s/VERSION/${VERSION}/g" < ${MAN1} > ${MAN1}.tmp
+	mv ${MAN1}.tmp ${MAN1}
+	${BSD_INSTALL_MAN} ${MAN1} ${DESTDIR}${MANPREFIX}/man1
 
 uninstall:
 	rm -f \