$NetBSD$

DESTDIR support.

--- Makefile.orig	2009-10-23 23:31:41.000000000 -0400
+++ Makefile	2009-10-23 23:32:35.000000000 -0400
@@ -38,7 +38,7 @@ all::
 	@$(MAKE) -C Runtime all
 	@$(MAKE) -C Lib all
 
-install:: $(INSTALLDIR) $(INSTALLLIB)
+install:: $(DESTDIR)$(INSTALLDIR) $(DESTDIR)$(INSTALLLIB)
 	@$(MAKE) -C Config all
 	@$(MAKE) -C Tools install
 	@$(MAKE) -C Pict install
@@ -50,6 +50,7 @@ test:: all
 
 show:
 	@echo "SRCDIR     " = $(SRCDIR)
+	@echo "DESTDIR    " = $(DESTDIR)
 	@echo "INSTALLDIR " = $(INSTALLDIR)
 	@echo "INSTALLLIB " = $(INSTALLLIB)
 	@echo "GCC        " = $(GCC)
@@ -103,11 +104,11 @@ clean::
 	@$(MAKE) -C Html clean
         endif
 
-$(INSTALLDIR):
-	mkdir -p $(INSTALLDIR)
+$(DESTDIR)$(INSTALLDIR):
+	mkdir -p $(DESTDIR)$(INSTALLDIR)
 
-$(INSTALLLIB):
-	mkdir -p $(INSTALLLIB)
+$(DESTDIR)$(INSTALLLIB):
+	mkdir -p $(DESTDIR)$(INSTALLLIB)
 
 ifeq ($(PICTDEVEL),yes)
 all:: ANNOUNCE
