Commit Briefs
build: OS X 64-bit build
R=rsc http://codereview.appspot.com/4838047
SunOS fixes (thanks Aram Hăvărneanu)
R=rsc, rsc http://codereview.appspot.com/4271084
9c, 9l: allow CC9=clang
R=rsc CC=codebot http://codereview.appspot.com/217045
INSTALL: fix build on Snow Leopard
http://codereview.appspot.com/116073