Merge r1432:1437 from /branches/newlib into /trunk :
- under bare-metal, the user is responsible for providing a gdbserver stub (r1433)
- install a CT_TARGET-cc -> CT_TARGET-gcc symlink for the core gcc (r1434)
- allow broader dependency in generated config files (r1435, r1436)
- prepare C library menuconfig for using a C library under bare-metal (r1437)

/trunk/scripts/build/cc/gcc.sh | 4 4 0 0 ++++
/trunk/config/debug/gdb.in | 5 5 0 0 +++++
/trunk/config/libc/glibc.in | 1 1 0 0 +
/trunk/config/libc/uClibc.in | 1 1 0 0 +
/trunk/config/libc/eglibc.in | 2 1 1 0 +-
/trunk/config/config.mk | 20 8 12 0 ++++++++------------
/trunk/config/arch/sh.in | 2 1 1 0 +-
/trunk/config/arch/ia64.in | 2 1 1 0 +-
/trunk/config/arch/powerpc64.in | 2 1 1 0 +-
/trunk/config/libc.in | 4 0 4 0 ----
10 files changed, 23 insertions(+), 20 deletions(-)

 # ARM specific configuration file

 config ARCH_arm

     select ARCH_SUPPORTS_BOTH_ENDIAN

     select ARCH_DEFAULT_LE

     select ARCH_SUPPORT_ARCH

     select ARCH_SUPPORT_CPU

     select ARCH_SUPPORT_TUNE

     select ARCH_SUPPORT_FPU

     help

       The ARM architecture, as defined by:

         http://www.arm.com/

 config ARCH_ARM_EABI

     bool

     prompt "Use EABI"

     default n

     help

       Set up the toolchain so that it generates EABI-compliant binaries.

 config ARCH_ARM_ABI_OK

     bool

     default y

     depends on ! ARCH_ARM_EABI

     select ARCH_SUPPORT_ABI