Merge #1195, #1196 and #1203 from /devel/YEM-build_host_target_cleanup:
- Get rid of CT_CC_NATIVE
- Get rid of CT_CANADIAN_OPT
- Sanitise CT_BUILD vs. CT_HOST

/trunk/scripts/build/tools/200-sstrip.sh | 4 2 2 0
/trunk/scripts/build/binutils.sh | 1 0 1 0 -
/trunk/scripts/build/cc/gcc.sh | 11 6 5 0 +-
/trunk/scripts/build/debug/200-duma.sh | 3 1 2 0 -
/trunk/scripts/build/libc/glibc.sh | 10 5 5 0 +-
/trunk/scripts/build/libc/eglibc.sh | 8 4 4 0 +-
/trunk/scripts/crosstool.sh | 168 113 55 0 ++++++++++++++++++++++++++------------
/trunk/config/toolchain.in | 160 137 23 0 +++++++++++++++++++++++++++++++-----
8 files changed, 268 insertions(+), 97 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

 }