Re: [PATCH 1/1] selftests: gpio: use pkg-config to determine libmount CFLAGS/LDLIBS

From	Fathi Boudra <fathi.boudra@linaro.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 1/1] selftests: gpio: use pkg-config to determine libmount CFLAGS/LDLIBS
Date	2017-06-29 13:50 +0200
Message-ID	<tXG7n-71O-1@gated-at.bofh.it> (permalink)
References	<tXBAK-4e8-9@gated-at.bofh.it> <tXDCy-5Ff-19@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 29 June 2017 at 12:01, Michael Ellerman <mpe@ellerman.id.au> wrote:
> Fathi Boudra <fathi.boudra@linaro.org> writes:
>
>> Fix hardcoded and misplaced libmount headers. Use pkg-config instead to
>> figure out CFLAGS/LDLIBS, fixing also their value for cross-compilation.
>
> Can you explain how it fixes the values for cross-compilation?

When pkg-config is invoked in a cross-build environment, it will
return your sysroot headers path instead of the hardcoded
-I/usr/include/libmount

For example in my oe environment, when I invoke "pkg-config --cflags
mount", it returns:
-I/build/tmp-rpb-glibc/sysroots/hikey/usr/include/libmount

> cheers
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Thread

[PATCH 1/1] selftests: gpio: use pkg-config to determine libmount CFLAGS/LDLIBS Fathi Boudra <fathi.boudra@linaro.org> - 2017-06-29 09:00 +0200
  Re: [PATCH 1/1] selftests: gpio: use pkg-config to determine libmount CFLAGS/LDLIBS Michael Ellerman <mpe@ellerman.id.au> - 2017-06-29 11:10 +0200
    Re: [PATCH 1/1] selftests: gpio: use pkg-config to determine libmount CFLAGS/LDLIBS Fathi Boudra <fathi.boudra@linaro.org> - 2017-06-29 13:50 +0200
      Re: [PATCH 1/1] selftests: gpio: use pkg-config to determine libmount CFLAGS/LDLIBS Bamvor Zhang Jian <bamvor.zhangjian@linaro.org> - 2017-06-30 04:30 +0200
        Re: [PATCH 1/1] selftests: gpio: use pkg-config to determine libmount CFLAGS/LDLIBS Fathi Boudra <fathi.boudra@linaro.org> - 2017-06-30 08:00 +0200
          Re: [PATCH 1/1] selftests: gpio: use pkg-config to determine libmount CFLAGS/LDLIBS Michael Ellerman <mpe@ellerman.id.au> - 2017-07-01 03:50 +0200
            Re: [PATCH 1/1] selftests: gpio: use pkg-config to determine libmount CFLAGS/LDLIBS Fathi Boudra <fathi.boudra@linaro.org> - 2017-07-03 13:30 +0200
      Re: [PATCH 1/1] selftests: gpio: use pkg-config to determine libmount CFLAGS/LDLIBS Michael Ellerman <mpe@ellerman.id.au> - 2017-06-30 13:10 +0200

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