On Wed, Oct 26, 2016 at 02:09:28PM +0300, Cristian Stoica wrote:
> Aparently, on some setups, 'sudo make' will clear the $PWD variable
> on the first Makefile expansion. This leads to failures of "sudo make
> install" or other issues when trying to preserve the environment with
> sudo -E.
> There are two solutions to this problem:
> 1) Use $$PWD instead of $(PWD) to render `$PWD` as the actual string to
> be used on the secondary Makefile expansion.
> This is used (albeit inconsistently) in the Linux kernel guide for
> external modules:
> kernel https://www.kernel.org/doc/Documentation/kbuild/modules.txt
> 2) A second solution is based on GNU make which sets CURDIR to the
> pathname of current working directory. This variable is never touched
> again by make.
> This solution is choosen for it is just as clear as the PWD one would
> have been had it worked in the first place.
> Signed-off-by: Cristian Stoica <cristian.sto...@nxp.com>

Applied, thanks!

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