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    SubjectRe: [PATCH 3/7] [HACK] pass endianess flag to LTO linker
    On Wed, Feb 21, 2018 at 4:15 AM, Nicolas Pitre <nicolas.pitre@linaro.org> wrote:
    > On Tue, 20 Feb 2018, Arnd Bergmann wrote:
    >
    >> We need some way to pass -mbig-endian to the linker during the
    >> LTO link stage, otherwise we get a waning like
    >>
    >> arm-linux-gnueabi/bin/ld: arch/arm/lib/clearbit.o: compiled for a big endian system and target is little endian
    >>
    >> for each file we link in.
    >>
    >> There is probably a better method of passing that flag, I'm just
    >> adding it to a different hack that I added earlier for x86 LTO
    >> here.
    >
    > Didn't the patch below fix it for you already?

    I think the problem here is that -mbig-endian is part of KBUILD_CPPFLAGS,
    not KBUILD_CFLAGS. We add the latter to the gcc-ld command line, but not
    the former.

    Arnd

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