I'm not qualified to review this. Chandler, can you be the reviewer? Thanks.
http://codereview.appspot.com/67045/diff/1/3 File configure.ac (right): http://codereview.appspot.com/67045/diff/1/3#newcode19 Line 19: nit: Extraneous blank line. http://codereview.appspot.com/67045/diff/1/3#newcode20 Line 20: AC_CONFIG_MACRO_DIR([m4]) Does this introduce any dependencies on versions of Autoconf installed on a developer's machine? I'm generally OK if it does, but we should document them in the README.