--- makefile.gcc.orig	2014-06-17 12:55:14.919735947 +0800
+++ makefile.gcc	2014-06-17 12:55:31.502732890 +0800
@@ -36,7 +36,7 @@ utilstr.o : utilstr.c utilstr.h
 eucjp.o : eucjp.c eucjp.h jstrings.h vstr.h ascii.h jis.h
 
 install : $(TARGET)
-	cp $(TARGET) $(BINDIR)/$(TARGET)
-	strip $(BINDIR)/$(TARGET)
+	cp $(TARGET) $(DESTDIR)$(BINDIR)/$(TARGET)
+	strip $(DESTDIR)$(BINDIR)/$(TARGET)
 	echo "Copy jstrings.txt as man page if you need."