Messages in this thread | | | Date | Mon, 8 Feb 2016 17:19:14 +0000 | From | "Maciej W. Rozycki" <> | Subject | Re: [PATCH v3 1/3] mips: Use arch specific auxvec.h instead of generic-asm version |
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On Mon, 8 Feb 2016, Daniel Wagner wrote:
> The generic auxvec.h is used instead the arch specific version. > This happens when cross compiling the kernel. > > mips64-linux-gnu-gcc (GCC) 5.2.1 20151104 (Red Hat Cross 5.2.1-4) > > arch/mips/kernel/../../../fs/binfmt_elf.c: In function ‘create_elf_tables’: > ./arch/mips/include/asm/elf.h:425:14: error: ‘AT_SYSINFO_EHDR’ undeclared (first use in this function)
There must be something wrong with your setup, or maybe a bug somewhere in our build machinery you just happened to trigger. Most of us routinely use a cross-compiler to build the kernel and you're the first one to report the problem.
Can you report the compiler invocation that has lead to this error? Have you used a default config or a custom one?
> diff --git a/arch/mips/include/asm/auxvec.h b/arch/mips/include/asm/auxvec.h > new file mode 100644 > index 0000000..fbd388c > --- /dev/null > +++ b/arch/mips/include/asm/auxvec.h > @@ -0,0 +1 @@ > +#include <uapi/asm/auxvec.h>
You're not supposed to require a header in asm/ merely to include a header of the same name from uapi/asm/ as there are normally -I./arch/mips/include and -I./arch/mips/include/uapi options present both at once, in this order, on the compiler's invocation line. So:
#include <asm/auxvec.h>
will pull the header from uapi/asm/ if none is present in asm/.
Maciej
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