--- Makefile.orig	1999-03-27 07:46:38.000000000 +0100
+++ Makefile	2008-01-27 22:45:09.000000000 +0100
@@ -1,8 +1,8 @@
-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 += -Wall
+INCDIR = -I/usr/include/X11 -I/usr/include
+PREFIX ?= /usr
+LIBDIR ?= /usr/lib
 
 # for Linux
 LIBS   = -lXpm -lX11 -lXext
@@ -22,7 +22,7 @@
 
 wmCalClock.o: wmCalClock_master.xpm wmCalClock_mask.xbm
 wmCalClock:	$(OBJS) 
-	$(CC) $(COPTS) $(SYSTEM) -o wmCalClock $^ $(INCDIR) $(LIBDIR) $(LIBS)
+	$(CC) $(CFLAGS) -o wmCalClock $^ $(INCDIR) -L$(LIBDIR) $(LDFLAGS) $(LIBS)
 
 clean:
 	for i in $(OBJS) ; do \
@@ -31,6 +31,7 @@
 	rm -f wmCalClock
 
 install:: wmCalClock
-	install -c -s -m 0755 wmCalClock $(DESTDIR)/bin
-	install -c -m 0644 wmCalClock.1 $(DESTDIR)/man/man1 
+	install -d $(DESTDIR)$(PREFIX)/bin $(DESTDIR)$(PREFIX)/share/man/man1
+	install -m 0755 wmCalClock $(DESTDIR)$(PREFIX)/bin
+	install -m 0644 wmCalClock.1 $(DESTDIR)$(PREFIX)/share/man/man1