1.4: backport #1495 from /trunk:
- Force getting glibc>=2.8 via checkout if any addon is selected.

-------- diffstat follows --------
/branches/1.4/config/libc/glibc.in | 7 7 0 0 +++++++
/branches/1.4/config/libc/glibc-eglibc.in-common | 6 6 0 0 ++++++
2 files changed, 13 insertions(+)

 # Compute powerpc-specific values

 . "${CT_LIB_DIR}/scripts/build/arch/powerpc-powerpc64.sh-common"