lib     atlas/archives/aix
for     AIX prebuilts

lib     atlas/archives/hp-ux
for     HP-UX prebuilts

lib     atlas/archives/irix
for     IRIX prebuilts

lib     atlas/archives/linux
for     Linux prebuilts

lib     atlas/archives/osf1
for     OSF1 prebuilts

lib     atlas/archives/sunos
for     SunOS prebuilts

lib     atlas/archives/windows
for     Windows prebuilts

lib     atlas/archives/osx
for     OS X prebuilts

.