It's been a long time that the gcc libraries are all installed in the sys-root.
Thus populate does not need to look above to find the libraries.
/trunk/tools/populate.in | 9 3 6 0 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
1 # ia64 specific config options
4 select ARCH_SUPPORTS_BOTH_ENDIAN
6 The ia64 architecture, as defined by:
7 http://www.intel.com/design/itanium/arch_spec.htm