fork on uClinux

[sjhill at realitydiluted.com]

> > #if defined(__UCLIBC__) && !defined(__UCLIBC_HAS_MMU__)
> > #define fork    vfork
> > #endif
> 
> I grepped the source from subversion of both uClibc and buildroot for
> the token __UCLIBC_HAS_MMU__ and found no hits. Where do these three
> lines come from?
> 
Try grepping for 'HAS_MMU' and you'll get some hits.

-Steve