linux-kernel - Re: [PATCH RESEND] tools: gpio: Use !building_out_of

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Date:   Thu, 3 Oct 2019 10:23:00 +0200
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Shuah Khan <skhan@...uxfoundation.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio <linux-gpio@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-kselftest@...r.kernel.org
Subject: Re: [PATCH RESEND] tools: gpio: Use !building_out_of_srctree to
 determine srctree

pt., 27 wrz 2019 o 03:16 Shuah Khan <skhan@...uxfoundation.org> napisał(a):
>
> make TARGETS=gpio kselftest fails with:
>
> Makefile:23: tools/build/Makefile.include: No such file or directory
>
> When the gpio tool make is invoked from tools Makefile, srctree is
> cleared and the current logic check for srctree equals to empty
> string to determine srctree location from CURDIR.
>
> When the build in invoked from selftests/gpio Makefile, the srctree
> is set to "." and the same logic used for srctree equals to empty is
> needed to determine srctree.
>
> Check building_out_of_srctree undefined as the condition for both
> cases to fix "make TARGETS=gpio kselftest" build failure.
>
> Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
> ---
> Rsending with corrected address for linux-kselftest@...r.kernel.org
>
>  tools/gpio/Makefile | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile
> index 6ecdd1067826..1178d302757e 100644
> --- a/tools/gpio/Makefile
> +++ b/tools/gpio/Makefile
> @@ -3,7 +3,11 @@ include ../scripts/Makefile.include
>
>  bindir ?= /usr/bin
>
> -ifeq ($(srctree),)
> +# This will work when gpio is built in tools env. where srctree
> +# isn't set and when invoked from selftests build, where srctree
> +# is set to ".". building_out_of_srctree is undefined for in srctree
> +# builds
> +ifndef building_out_of_srctree
>  srctree := $(patsubst %/,%,$(dir $(CURDIR)))
>  srctree := $(patsubst %/,%,$(dir $(srctree)))
>  endif
> --
> 2.20.1
>

Applied for fixes, thanks!

Bart