livecd portage-2.0.54 # emerge -pv portage 
!!! Invalid token (not "=") �
!!! ParseError: Invalid token (not '='): /usr/portage/profiles/default-linux/make.defaults: line 1 in /usr/portage/profiles/default-linux/make.defaults
!!! 'rm -Rf /usr/portage/profiles; emerge sync' may fix this. If it does
!!! not then please report this to bugs.gentoo.org and, if possible, a dev
!!! on #gentoo (irc.freenode.org)