Allow to store working files outside the build tree (eg. incase the working tree is on the network).

/trunk/scripts/crosstool.sh | 9 5 4 0 +++++----
/trunk/config/global/paths.in | 23 22 1 0 ++++++++++++++++++++++-
2 files changed, 27 insertions(+), 5 deletions(-)

 # Compute x86_64-specific values

 CT_DoArchValues() {

     # The architecture part of the tuple:

     CT_TARGET_ARCH="${CT_ARCH}"

 }