release/9.0.0 / clang-3.0 release/9.1.0 / clang-3.1 stable/9 / clang-3.2 head / clang-3.3 Finally I found the version number source. It was a bit hidden: http://svnweb.freebsd.org/base/head/lib/clang/include/clang/Basic/Version.inc?view=co -- Robert Millan