Merge the /deve/uclinux branch back to /trunk:
- add support for uClinux, the MMU-less ports of Linux.

-------- diffstat follows --------
/trunk/scripts/build/kernel/linux.sh | 100 1 99 0 ---------------
/trunk/steps.mk | 1 1 0 0 +
/trunk/config/kernel/linux.in | 247 0 247 0 -------------------------------------
/trunk/config/kernel.in | 2 1 1 0
/trunk/config/libc/glibc.in | 2 1 1 0
/trunk/config/libc/eglibc.in | 2 1 1 0
/trunk/config/libc/glibc-eglibc.in-common | 5 5 0 0 +
/trunk/config/config.in | 1 1 0 0 +
8 files changed, 11 insertions(+), 349 deletions(-)

 # Compute powerpc-specific values

 CT_DoArchTupleValues () {

     # The architecture part of the tuple:

     CT_TARGET_ARCH="${CT_ARCH}"

     # The kernel ARCH:

     CT_KERNEL_ARCH=powerpc

     # Add spe in the tuplet if needed

     case "${CT_LIBC},${CT_ARCH_POWERPC_SPE}" in

         glibc,|eglibc,)   CT_TARGET_SYS=gnu;;

         glibc,y|eglibc,y) CT_TARGET_SYS=gnuspe;;

     esac

     # Add extra flags for SPE if needed

     if [ "${CT_ARCH_POWERPC_SPE}" = "y" ]; then

         CT_ARCH_TARGET_CFLAGS="-mabi=spe -mspe"

         CT_ARCH_CC_CORE_EXTRA_CONFIG="--enable-e500_double"

         CT_ARCH_CC_EXTRA_CONFIG="--enable-e500_double"

     fi

 }