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(-)

 --- gcc-4.2.1-stock/gcc/config/alpha/linux-unwind.h	2005-06-24 20:22:41.000000000 -0500

 +++ gcc-4.2.1/gcc/config/alpha/linux-unwind.h	2007-09-01 20:21:34.000000000 -0500

 @@ -29,6 +29,9 @@ Boston, MA 02110-1301, USA.  */

  /* Do code reading to identify a signal frame, and set the frame

     state data appropriately.  See unwind-dw2.c for the structs.  */

 +/* Don't use this if inhibit_libc is set

 +   The build for this target will fail trying to include missing headers */

 +#ifndef inhibit_libc

  #include <signal.h>

  #include <sys/ucontext.h>

 @@ -80,3 +83,4 @@ alpha_fallback_frame_state (struct _Unwi

    fs->retaddr_column = 64;

    return _URC_NO_REASON;

  }

 +#endif /* inhibit_libc */