$NetBSD$

--- acegr_np/Makefile.orig	1998-03-11 00:51:35.000000000 +0300
+++ acegr_np/Makefile	2009-12-11 04:51:03.000000000 +0300
@@ -43,16 +43,16 @@
 testf_np$(O) : $(LIB)
 
 install : $(LIB)
-	$(MKINSTALLDIRS) $(GR_HOME)/lib
-	$(INSTALL_DATA) $(LIB) $(GR_HOME)/lib/$(LIB)
-	$(MKINSTALLDIRS) $(GR_HOME)/include
-	$(INSTALL_DATA) acegr_np.h $(GR_HOME)/include/acegr_np.h
+	$(MKINSTALLDIRS) $(DESTDIR)$(GR_HOME)/lib
+	$(INSTALL_DATA) $(LIB) $(DESTDIR)$(GR_HOME)/lib/$(LIB)
+	$(MKINSTALLDIRS) $(DESTDIR)$(GR_HOME)/include
+	$(INSTALL_DATA) acegr_np.h $(DESTDIR)$(GR_HOME)/include/acegr_np.h
 
 links : $(LIB)
-	$(MKINSTALLDIRS) $(PREFIX)/lib
-	cd $(PREFIX)/lib; $(RM) $(LIB); $(LN_S) $(GR_HOME)/lib/$(LIB) $(LIB)
-	$(MKINSTALLDIRS) $(PREFIX)/include
-	cd $(PREFIX)/include; $(RM) acegr_np.h; $(LN_S) $(GR_HOME)/include/acegr_np.h acegr_np.h
+	$(MKINSTALLDIRS) $(DESTDIR)$(PREFIX)/lib
+	cd $(DESTDIR)$(PREFIX)/lib; $(RM) $(LIB); $(LN_S) $(GR_HOME)/lib/$(LIB) $(LIB)
+	$(MKINSTALLDIRS) $(DESTDIR)$(PREFIX)/include
+	cd $(DESTDIR)$(PREFIX)/include; $(RM) acegr_np.h; $(LN_S) $(GR_HOME)/include/acegr_np.h acegr_np.h
 	
 clean :
 	$(RM) *.o sample.gr $(TESTS)
