TARGET_C99_FUNCTIONS for powerpc

[Christoph Hellwig]

On Sat, Oct 02, 2004 at 10:38:38AM +0930, Alan Modra wrote:
> This is an obvious patch we should have had a long time ago.  glibc
> has all the required functions, and now we even have support for 128 bit
> long double.  Fixes a bunch of testsuite failures.  OK to apply mainline
> and 3.4?

Hmm, why doesn't rs6000 use config/linux.h that defines 
TARGET_C99_FUNCTIONS already?