"Liam R. Howlett" <liam.howl...@oracle.com> writes: > How about: > > ---- 8< ---- > diff --git a/sha1dc/sha1.c b/sha1dc/sha1.c > index facea1bb5..ed8c63f2d 100644 > --- a/sha1dc/sha1.c > +++ b/sha1dc/sha1.c > @@ -38,9 +38,18 @@ > > #if (defined(_BYTE_ORDER) || defined(__BYTE_ORDER) || > defined(__BYTE_ORDER__)) > > +#define EMPTY_VAL(x) x ## 1 > +#define EMPTY(x) EMPTY_VAL(x) > + > +#if (defined(_BIG_ENDIAN) && (EMPTY(_BIG_ENDIAN) == 1)) > +#undef _BIG_ENDIAN > +#define _BIG_ENDIAN 4321 > +#endif
I'd say it is a bad idea to define a symbol that you _know_ a platform header file defines. Any header you may include from the platform after these lines still expects the symbol to be defined in a way it defines without getting molested and will misbehave.
