Enable using glibc post 2.8:
- retrieve tarballs from FTP/HTTP for glibc 2.7 and older
- checkout from CVS for glibc 2.8 and later
- add config options for glibc-2_8 and glibc-2_9

/trunk/scripts/build/libc/glibc.sh | 50 39 11 0 ++++++++++++++++++++++++++++++++++----------
/trunk/config/libc/glibc.in | 49 49 0 0 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 88 insertions(+), 11 deletions(-)

 # x86_64 specific options

 config ARCH_x86_64

     select ARCH_64

     select ARCH_SUPPORT_ARCH

     select ARCH_SUPPORT_CPU

     select ARCH_SUPPORT_TUNE

     help

       The x86_64 architecture, as defined by:

         http://www.amd.com/us-en/Processors/DevelopWithAMD/0,,30_2252_875_7044,00.html