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(-)

# GMP options

choice

    bool

    prompt "GMP version"

config GMP_V_4_2_2

    bool

    prompt "4.2.2"

# CT_INSERT_VERSION_ABOVE

# Don't remove above line!

endchoice

config GMP_VERSION

    string

    default "4.2.2" if GMP_V_4_2_2

# CT_INSERT_VERSION_STRING_ABOVE

# Don't remove above line!

config GMP_CHECK

    bool

    prompt "Check GMP"

    default y

    help

      It is highly recommended that 'make check' is run against the newly built

      GMP library. See http://gmplib.org/