Messages in this thread Patch in this message | | | From | Masahiro Yamada <> | Subject | [PATCH] kbuild: create a build directory automatically for out-of-tree build | Date | Mon, 31 Mar 2014 16:41:36 +0900 |
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Kbuild supports saving output files in a separate directory. But the build directory must be created beforehand. For example,
$ mkdir -p dir/to/store/output/files $ make O=dir/to/store/output/files defconfig
Creating a build directory automatically would be useful.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> --- Makefile | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile index 575e1f8..35b5b7e 100644 --- a/Makefile +++ b/Makefile @@ -120,9 +120,10 @@ ifneq ($(KBUILD_OUTPUT),) # Invoke a second make in the output directory, passing relevant variables # check that the output directory actually exists saved-output := $(KBUILD_OUTPUT) -KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd) +KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \ + && /bin/pwd) $(if $(KBUILD_OUTPUT),, \ - $(error output directory "$(saved-output)" does not exist)) + $(error failed to create output directory "$(saved-output)")) PHONY += $(MAKECMDGOALS) sub-make -- 1.8.3.2
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