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Commit 9da0763b authored by Michal Marek's avatar Michal Marek
Browse files

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: default avatarSam Ravnborg <sam@ravnborg.org>
Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
parent 890676c6

Makefile

+11 −1
Original line number Original line Diff line number Diff line
@@ -149,7 +149,17 @@ else 
_all: modules

_all: modules

endif

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		:= .

objtree		:= .

src		:= $(srctree)

src		:= $(srctree)

obj		:= $(objtree)

obj		:= $(objtree)