--- Makefile.orig	1999-03-27 14:46:38.000000000 +0800
+++ Makefile	2014-01-11 20:07:37.000000000 +0800
@@ -1,8 +1,7 @@
-CC     = gcc
-CFLAGS = -O2 -Wall
-INCDIR = -I/usr/X11R6/include/X11 -I/usr/X11R6/include
-DESTDIR= /usr/X11R6
-LIBDIR = -L/usr/X11R6/lib
+CC     ?= gcc
+CFLAGS ?= -O2
+INCDIR = -I${LOCALBASE}/include
+LIBDIR = -L${LOCALBASE}/lib
 
 # for Linux
 LIBS   = -lXpm -lX11 -lXext
@@ -15,14 +14,14 @@ OBJS   = wmCalClock.o \
 
 
 .c.o:
-	$(CC) $(CFLAGS) -D$(shell echo `uname -s`) -c $< -o $*.o $(INCDIR)
+	$(CC) $(CFLAGS) -D$(OPSYS) -c $< -o $@ $(INCDIR)
 
 
 all:	wmCalClock.o wmCalClock
 
 wmCalClock.o: wmCalClock_master.xpm wmCalClock_mask.xbm
 wmCalClock:	$(OBJS) 
-	$(CC) $(COPTS) $(SYSTEM) -o wmCalClock $^ $(INCDIR) $(LIBDIR) $(LIBS)
+	$(CC) $(COPTS) $(SYSTEM) -o wmCalClock $(OBJS) $(LIBDIR) $(LIBS)
 
 clean:
 	for i in $(OBJS) ; do \
@@ -31,6 +30,6 @@ clean:
 	rm -f wmCalClock
 
 install:: wmCalClock
-	install -c -s -m 0755 wmCalClock $(DESTDIR)/bin
-	install -c -m 0644 wmCalClock.1 $(DESTDIR)/man/man1 
+	${BSD_INSTALL_PROGRAM} wmCalClock $(DESTDIR)$(PREFIX)/bin
+	${BSD_INSTALL_MAN} wmCalClock.1 $(DESTDIR)$(PREFIX)/man/man1