--- Makefile.orig	2007-12-08 21:47:45.000000000 +0800
+++ Makefile	2007-12-08 21:49:02.000000000 +0800
@@ -10,10 +10,10 @@
 #CXXFLAGS += -DNO_NAMESPACE
 
 # Binary installation directory
-BINDIR=/usr/local/bin
+BINDIR=/usr/bin
 
 # Man page installation directory
-MANDIR=/usr/local/man
+MANDIR=/usr/share/man
 
 # If install is not available, use cp instead
 INSTALL=install -c
@@ -44,14 +44,14 @@
 	$(CXX) $(CXXFLAGS) -o $@ $^ -lm
 
 install:	ccal
-	./mkinstalldirs $(BINDIR)
-	$(INSTALL) ccal $(BINDIR)
-	$(INSTALL) ccalpdf $(BINDIR)
+	./mkinstalldirs $(DESTDIR)$(BINDIR)
+	$(INSTALL) ccal $(DESTDIR)$(BINDIR)
+	$(INSTALL) ccalpdf $(DESTDIR)$(BINDIR)
 
 install-man:
-	./mkinstalldirs $(MANDIR)/man1
-	$(INSTALL) -m 0644 ccal.1 $(MANDIR)/man1
-	$(INSTALL) -m 0644 ccalpdf.1 $(MANDIR)/man1
+	./mkinstalldirs $(DESTDIR)$(MANDIR)/man1
+	$(INSTALL) -m 0644 ccal.1 $(DESTDIR)$(MANDIR)/man1
+	$(INSTALL) -m 0644 ccalpdf.1 $(DESTDIR)$(MANDIR)/man1
 
 clean:
 	$(RM) *.o core ccal