Re: arm64 allmodconfig failure in expansion of macro â_Xâ

From: Herbert Xu
Date: Fri Jun 26 2015 - 06:10:00 EST


On Fri, Jun 26, 2015 at 11:08:05AM +0100, Will Deacon wrote:
> Hi all,
>
> arm64 allmodconfig fails to build with mainline due to the following:
>
>
> In file included from include/acpi/platform/aclinux.h:74:0,
> from include/acpi/platform/acenv.h:173,
> from include/acpi/acpi.h:56,
> from include/linux/acpi.h:37,
> from ./arch/arm64/include/asm/dma-mapping.h:21,
> from include/linux/dma-mapping.h:86,
> from include/linux/skbuff.h:34,
> from include/crypto/algapi.h:18,
> from crypto/asymmetric_keys/rsa.c:16:
> include/linux/ctype.h:15:12: error: expected â;â, â,â or â)â before numeric constant
> #define _X 0x40 /* hex digit */
> ^
> crypto/asymmetric_keys/rsa.c:123:47: note: in expansion of macro â_Xâ
> static int RSA_I2OSP(MPI x, size_t xLen, u8 **_X)
> ^
> crypto/asymmetric_keys/rsa.c: In function âRSA_verify_signatureâ:
> crypto/asymmetric_keys/rsa.c:256:2: error: implicit declaration of function âRSA_I2OSPâ [-Werror=implicit-function-declaration]
> ret = RSA_I2OSP(m, k, &EM);
>
>
> This is thanks to the following function type:
>
> static int RSA_I2OSP(MPI x, size_t xLen, u8 **__X)
>
> conflicting with the _X #define in linux/ctype.h:
>
> #define _X 0x40 /* hex digit */
>
> Simple patch below, but solving this problem with more underscores feels
> slightly inhumane.

Thanks but I've already merged a similar patch yesterday.
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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