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 # x86_64 specific options
4 select ARCH_SUPPORT_ARCH
5 select ARCH_SUPPORT_CPU
6 select ARCH_SUPPORT_TUNE
8 The x86_64 architecture, as defined by:
9 http://www.amd.com/us-en/Processors/DevelopWithAMD/0,,30_2252_875_7044,00.html