Commit 9da0763b authored Apr 25, 2014 by Michal Marek

kbuild: Use relative path when building in a subdir of the source tree



When doing make O=<subdir>, use '..' to refer to the source tree. This
allows for more readable compiler messages, and, more importantly, it
sets the VPATH to '..', so filenames in WARN_ON() etc. will be shorter.

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>

parent 890676c6

Makefile

+11 −1

Original line number	Diff line number	Diff line
		@@ -149,7 +149,17 @@ else
		_all: modules
		endif

		srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),.)
		ifeq ($(KBUILD_SRC),)
		# building in the source tree
		srctree := .
		else
		ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR)))
		# building in a subdirectory of the source tree
		srctree := ..
		else
		srctree := $(KBUILD_SRC)
		endif
		endif
		objtree := .
		src := $(srctree)
		obj := $(objtree)

Admin message