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Michael Ellerman eeb3f0b0c3 selftests/gpio: Fix build when source tree is read only

[ Upstream commit b68c1c65dec5fb5186ebd33ce52059b4c6db8500 ]

Currently the gpio selftests fail to build if the source tree is read
only:

  make -j 160 -C tools/testing/selftests TARGETS=gpio
  make[1]: Entering directory '/linux/tools/testing/selftests/gpio'
  make OUTPUT=/linux/tools/gpio/ -C /linux/tools/gpio
  make[2]: Entering directory '/linux/tools/gpio'
  mkdir -p /linux/tools/gpio/include/linux 2>&1 || true
  ln -sf /linux/tools/gpio/../../include/uapi/linux/gpio.h /linux/tools/gpio/include/linux/gpio.h
  ln: failed to create symbolic link '/linux/tools/gpio/include/linux/gpio.h': Read-only file system

This happens because we ask make to build ../../../gpio (tools/gpio)
without pointing OUTPUT away from the source directory.

To fix it we create a subdirectory of the existing OUTPUT directory,
called tools-gpio, and tell tools/gpio to build in there.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2021-06-03 09:00:31 +02:00

accounting

…

arch

ia64: tools: remove duplicate definition of ia64_mf() on ia64

2021-04-28 13:40:02 +02:00

bootconfig

tools/bootconfig: Add tracing_on support to helper scripts

2021-01-19 18:27:19 +01:00

bpf

bpftool: Fix maybe-uninitialized warnings

2021-05-14 09:50:29 +02:00