Finally make ncurses-5.7 corctly build:
- find the executables extension (needed under some OS, like Winblows)
- build tic in //
- simplify the make and install command lines

/trunk/scripts/build/debug/300-gdb.sh | 10 7 3 0 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)

# powerpc specific configuration file

config ARCH_powerpc

    select ARCH_SUPPORT_ABI

    select ARCH_SUPPORT_CPU

    select ARCH_SUPPORT_TUNE

    help

      The PowerPC architecture, as defined by:

        http://www.ibm.com/developerworks/eserver/articles/archguide.html