Messages in this thread | | | From | Fathi Boudra <> | Date | Thu, 29 Jun 2017 14:39:58 +0300 | Subject | Re: [PATCH 1/1] selftests: gpio: use pkg-config to determine libmount CFLAGS/LDLIBS |
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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
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