Description: set Debian specific install directory 
Author: Sascha Steinbiss <sascha@steinbiss.name> 
--- a/Makefile
+++ b/Makefile
@@ -26,8 +26,8 @@ clean:
 		cd .. && ./pyclean.sh; \
 	fi
 
-PREFIX = /usr/local
-INSTALLDIR = /opt/augustus-$(AUGVERSION)
+PREFIX = /usr
+INSTALLDIR = debian/augustus-$(AUGVERSION)
 
 install:
 	if [ ! $(PWD) -ef $(INSTALLDIR) ] ; then \
