On Fri, 12 Apr 2019, Christoph Hellwig wrote: > diff --git a/include/uapi/linux/byteorder/big_endian.h > b/include/uapi/linux/byteorder/big_endian.h > index 2199adc6a6c2..34a5864526d2 100644 > --- a/include/uapi/linux/byteorder/big_endian.h > +++ b/include/uapi/linux/byteorder/big_endian.h > @@ -2,6 +2,10 @@ > #ifndef _UAPI_LINUX_BYTEORDER_BIG_ENDIAN_H > #define _UAPI_LINUX_BYTEORDER_BIG_ENDIAN_H > > +#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ != __ORDER_BIG_ENDIAN__ > +#error "Unsupported endianess, check your toolchain"
Typo here: s/endianess/endianness/. > diff --git a/include/uapi/linux/byteorder/little_endian.h > b/include/uapi/linux/byteorder/little_endian.h > index 601c904fd5cd..0cdf3583e19f 100644 > --- a/include/uapi/linux/byteorder/little_endian.h > +++ b/include/uapi/linux/byteorder/little_endian.h > @@ -2,6 +2,10 @@ > #ifndef _UAPI_LINUX_BYTEORDER_LITTLE_ENDIAN_H > #define _UAPI_LINUX_BYTEORDER_LITTLE_ENDIAN_H > > +#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__ > +#error "Unsupported endianess, check your toolchain" Likewise. Maciej