Makefile, normalise the directories in the environment
Makefile, normalise the directories in the environment

ndmitchell/shake,nh2/shake,nh2/shake,ndmitchell/shake,ndmitchell/shake,nh2/shake,nh2/shake,ndmitchell/shake,ndmitchell/shake,ndmitchell/shake,nh2/shake