--- Makefile.in.orig	2006-08-17 23:32:14.000000000 +0800
+++ Makefile.in	2014-06-09 23:33:17.131279109 +0800
@@ -54,21 +54,21 @@ distclean: clean
 	rm -f Makefile config.h config.status config.log fopen_net.3 fseek_net.3 lseek_net.3 open_net.3 opennet.3 read_net.3
 
 install: all
-	-$(INSTALL) -d $(libdir)
-	-$(INSTALL) -d $(includedir)
-	-$(INSTALL) -d $(mandir)
-	-$(INSTALL) -d $(mandir)/man3
-	-$(INSTALL) -m 644 libopennet.$(SHOBJEXT).def $(libdir)/libopennet.$(SHOBJEXT).def
-	-$(INSTALL) -m 644 libopennet.$(SHOBJEXT).a $(libdir)/libopennet.$(SHOBJEXT).a
-	$(INSTALL) -m 755 libopennet.$(SHOBJEXT) $(libdir)/libopennet.$(SHOBJEXT).$(PKGVERS)
-	$(INSTALL) -m 644 libopennet.$(AREXT) $(libdir)/libopennet.$(AREXT)
-	$(INSTALL) -m 644 opennet.h $(includedir)/opennet.h
-	$(INSTALL) -m 644 fopen_net.3 $(mandir)/man3/fopen_net.3
-	$(INSTALL) -m 644 lseek_net.3 $(mandir)/man3/lseek_net.3
-	$(INSTALL) -m 644 fseek_net.3 $(mandir)/man3/fseek_net.3
-	$(INSTALL) -m 644 open_net.3 $(mandir)/man3/open_net.3
-	$(INSTALL) -m 644 read_net.3 $(mandir)/man3/read_net.3
-	$(INSTALL) -m 644 opennet.3 $(mandir)/man3/opennet.3
-	-( cd $(libdir) && rm -f libopennet.$(SHOBJEXT).$(PKGVERSMAJOR) && $(LN_S) libopennet.$(SHOBJEXT).$(PKGVERS) libopennet.$(SHOBJEXT).$(PKGVERSMAJOR) )
-	-( cd $(libdir) && rm -f libopennet.$(SHOBJEXT) && $(LN_S) libopennet.$(SHOBJEXT).$(PKGVERS) libopennet.$(SHOBJEXT) )
+	-$(INSTALL) -d $(DESTDIR)$(libdir)
+	-$(INSTALL) -d $(DESTDIR)$(includedir)
+	-$(INSTALL) -d $(DESTDIR)$(mandir)
+	-$(INSTALL) -d $(DESTDIR)$(mandir)/man3
+	#-$(INSTALL) -m 644 libopennet.$(SHOBJEXT).def $(DESTDIR)$(libdir)/libopennet.$(SHOBJEXT).def
+	#-$(INSTALL) -m 644 libopennet.$(SHOBJEXT).a $(DESTDIR)$(libdir)/libopennet.$(SHOBJEXT).a
+	$(INSTALL) -m 755 libopennet.$(SHOBJEXT) $(DESTDIR)$(libdir)/libopennet.$(SHOBJEXT).$(PKGVERS)
+	$(INSTALL) -m 644 libopennet.$(AREXT) $(DESTDIR)$(libdir)/libopennet.$(AREXT)
+	$(INSTALL) -m 644 opennet.h $(DESTDIR)$(includedir)/opennet.h
+	$(INSTALL) -m 644 fopen_net.3 $(DESTDIR)$(mandir)/man3/fopen_net.3
+	$(INSTALL) -m 644 lseek_net.3 $(DESTDIR)$(mandir)/man3/lseek_net.3
+	$(INSTALL) -m 644 fseek_net.3 $(DESTDIR)$(mandir)/man3/fseek_net.3
+	$(INSTALL) -m 644 open_net.3 $(DESTDIR)$(mandir)/man3/open_net.3
+	$(INSTALL) -m 644 read_net.3 $(DESTDIR)$(mandir)/man3/read_net.3
+	$(INSTALL) -m 644 opennet.3 $(DESTDIR)$(mandir)/man3/opennet.3
+	-( cd $(DESTDIR)$(libdir) && rm -f libopennet.$(SHOBJEXT).$(PKGVERSMAJOR) && $(LN_S) libopennet.$(SHOBJEXT).$(PKGVERS) libopennet.$(SHOBJEXT).$(PKGVERSMAJOR) )
+	-( cd $(DESTDIR)$(libdir) && rm -f libopennet.$(SHOBJEXT) && $(LN_S) libopennet.$(SHOBJEXT).$(PKGVERS) libopennet.$(SHOBJEXT) )