提交 9da0763b 编写于 作者: M 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: NSam Ravnborg <sam@ravnborg.org>
Signed-off-by: NMichal Marek <mmarek@suse.cz>
上级 890676c6
...@@ -149,7 +149,17 @@ else ...@@ -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)
......
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