Update populate:
- use tools found by ./configure
- some POSIX and eye-candy cleanups

/trunk/scripts/functions | 7 4 3 0 +++--
/trunk/scripts/populate.in | 70 46 24 0 ++++++++++++++++++++++++++++++++++------------------
2 files changed, 50 insertions(+), 27 deletions(-)

 # Compute x86_64-specific values

 CT_DoArchTupleValues() {

     # The architecture part of the tuple:

     CT_TARGET_ARCH="${CT_ARCH}"

 }