Re: [BUGFIX PATCH] tools: Let O= makes handle a relative path with -C option

[Greg KH]

On Thu, Mar 05, 2020 at 03:03:03PM +0900, Masami Hiramatsu wrote:
> When I compiled tools/bootconfig from top directory with
> -C option, the O= option didn't work correctly if I passed
> a relative path.
> 
>   $ make O=./builddir/ -C tools/bootconfig/
>   make: Entering directory '/home/mhiramat/ksrc/linux/tools/bootconfig'
>   ../scripts/Makefile.include:4: *** O=./builddir/ does not exist.  Stop.
>   make: Leaving directory '/home/mhiramat/ksrc/linux/tools/bootconfig'
> 
> The O= directory existence check failed because the check
> script ran in the build target directory instead of the
> directory where I ran the make command.
> 
> To fix that, once change directory to $(PWD) and check O=
> directory, since the PWD is set to where the make command
> runs.
> 
> Fixes: c883122acc0d ("perf tools: Let O= makes handle relative paths")
> Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
> ---
>  tools/scripts/Makefile.include |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>