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    powerpc/Makefile: Use cflags-y/aflags-y for setting endian options · 164af597
    Michael Ellerman 提交于
    When we introduced the little endian support, we added the endian flags
    to CC directly using override. I don't know the history of why we did
    that, I suspect no one does.
    
    Although this mostly works, it has one bug, which is that CROSS32CC
    doesn't get -mbig-endian. That means when the compiler is little endian
    by default and the user is building big endian, vdso32 is incorrectly
    compiled as little endian and the kernel fails to build.
    
    Instead we can add the endian flags to cflags-y/aflags-y, and then
    append those to KBUILD_CFLAGS/KBUILD_AFLAGS.
    
    This has the advantage of being 1) less ugly, 2) the documented way of
    adding flags in the arch Makefile and 3) it fixes building vdso32 with a
    LE toolchain.
    Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
    164af597
Makefile 14.0 KB