Allow broader dependency in generated config files:
- recognise '^# depends on ' pattern in config files
- use that pattern to generate appropriate dependency rules
- convert users of the old pattern to the new one

/branches/newlib/config/libc/eglibc.in | 2 1 1 0 +-
/branches/newlib/config/config.mk | 20 8 12 0 ++++++++------------
/branches/newlib/config/arch/sh.in | 2 1 1 0 +-
/branches/newlib/config/arch/ia64.in | 2 1 1 0 +-
/branches/newlib/config/arch/powerpc64.in | 2 1 1 0 +-
5 files changed, 12 insertions(+), 16 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