A bunch of fixes/improvements to the gdb build:
- allow native builds (both shared and static)
- fix enabling threads
- better handle the gdbserver case
- introduce the ncurses library to allow native builds
- re-order config options adequately

/trunk/scripts/build/debug/300-gdb.sh | 126 79 47 0 ++++++++++++++++++++++++++---------------
/trunk/config/debug/gdb.in | 45 33 12 0 +++++++++++----
2 files changed, 112 insertions(+), 59 deletions(-)

# Overall toolchain configuration: paths, jobs, etc...

menu "Paths and misc options"

source "config/global/ct-behave.in"

source "config/global/download_extract.in"

source "config/global/build-behave.in"

source "config/global/paths.in"

source "config/global/logging.in"

endmenu