Common GNU makefile directory path

Question

I\'m trying to consolidate some build information by using a common makefile. My problem is that I want to use that makefile from different subdirectory levels, which makes

Answer 1

My solution:

cwd  :=  $(shell readlink -en $(dir $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST)))) 

This also works for calls like make -f /opt/some/dir/Makefile whenn your in /opt/other/path/subdir.