Darren Hart <[email protected]> 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) <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: Shuah Khan <[email protected]>
> Cc: <[email protected]> # 4.10.x-

The OUTPUT support only went into v4.11-rc1, so I don't see why you need
a stable tag?

Change looks good though.

cheers

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