disable newlib

[Ralf Corsepius]

On Mon, 2008-08-18 at 22:12 +0800, xu ray wrote:
> You can disable it with patch YanMiao is working on. 
> But after doing this, lots of API (e.g. Posix ) and (most) C library
> can not be used.
Correct - Such kind of naive attempt would convert RTEMS into a toy and
would be building a broken RTEMS, because most of it's infrastructure
would not be available.

> You can use this for small footprint MCU/CPU that has limited RAM on chip.
ROTFL - There are more efficient ways to write an idle loop.