Hi Masahiro/Jani. > > Following the obj-y pattern, > I want to make header-test-y relative to $(obj). I also considered this and agree this is better. Otherwise we end up with a spaghetti of dependencies across the tree. What I made just fit the purpose I had that day, which is no excuse for bad design. > I prefer this: > > quiet_cmd_header_test = HDRTEST $@ > cmd_header_test = echo "\#include \"$*.h\"" > $@ > > $(obj)/%.header_test.c: > $(call cmd,header_test) Even better - good. We call it HDRTEST - so why not just go for that name: hdrtest-y += headerfile.h ?? The current proposal with "header-test-y" hurts the eye a little with two '-', and all other variables uses only one '-' as is today. (generic-y, obj-y etc). This is bikeshedding but is was itcing me a little. Sam