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(-)

# Kernel options

menu "Kernel"

choice

    bool

    prompt "Target OS"

    default KERNEL_LINUX

config KERNEL_LINUX

    bool

    prompt "linux"

    help

      Build a toolchain targeting systems running Linux as a kernel.

endchoice

config KERNEL_VERSION

    string

if KERNEL_LINUX

source config/kernel/linux.in

endif

endmenu