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