On Tue, Mar 28, 2017 at 11:19:25AM +1100, Michael Ellerman wrote:
> Darren Hart <dvhart@xxxxxxxxxxxxx> writes:
>
> > The use of $$OUTPUT in the target shell commands resulted in an empty
> > string followed by an absolute path for which mkdir failed:
> >
> > $ make -C tools/testing/selftests/futex
> > make: Entering directory '/home/dvhart/source/linux/linux-pdx86/tools/testing/selftests/futex'
> > Makefile:36: warning: overriding recipe for target 'clean'
> > ../lib.mk:55: warning: ignoring old recipe for target 'clean'
> > for DIR in functional; do \
> > BUILD_TARGET=$OUTPUT/$DIR; \
> > mkdir $BUILD_TARGET -p; \
> > make OUTPUT=$BUILD_TARGET -C $DIR all;\
> > done
> > mkdir: cannot create directory ‘/functional’: Permission denied
> >
> > Replace $$OUTPUT with $(OUTPUT) when referring to the Makefile OUTPUT
> > variable. The above make command now completes successfully.
> >
> > Fixes: a8ba798bc8ec ("selftests: enable O and KBUILD_OUTPUT")
> > Signed-off-by: Darren Hart (VMware) <dvhart@xxxxxxxxxxxxx>
> > Cc: linux-kselftest@xxxxxxxxxxxxxxx
> > Cc: bamvor.zhangjian@xxxxxxxxxx
> > Cc: Shuah Khan <shuah@xxxxxxxxxx>
> > Cc: <stable@xxxxxxxxxxxxxxx> # 4.10.x-
>
> The OUTPUT support only went into v4.11-rc1, so I don't see why you need
> a stable tag?
Git spelunking failure on my part, you are correct. Please disregard the stable
tag.
>
> Change looks good though.
>
Thank you for the review.
--
Darren Hart
VMware Open Source Technology Center
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