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. [ imported from Linux Kernel, commit 1c9e70a55b08 ] Signed-off-by: Masahiro Yamada <yamada.m@xxxxxxxxxxxxxxxx> Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx> Signed-off-by: Michal Marek <mmarek@xxxxxxx> --- Makefile | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Makefile b/Makefile index 5676b29..92889b3 100644 --- a/Makefile +++ b/Makefile @@ -112,9 +112,10 @@ 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) -- 1.9.1 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox