get it.
curl http://erlang.org/download/otp_src_R13B03.tar.gz | tar zx
configure it.
./configure --prefix=/usr/local --enable-smp-support --enable-threads --enable-darwin-64bit
Ignore
jinterface : No Java compiler found
wx : Can not combine 64bits erlang with wxWidgets on MacOSX, wx will not be useable
documentation : fop is missing. The documentation can not be built.
make it.
make
sudo make install