Plus falcon patches? Here's a ruby-build formula for that:
$ cat share/ruby-build/1.9.3-p125-falcon
## Hat tip to @burkelibbey and @metaskills - who did all the real work
build_package_combined_patch() {
local package_name="$1"
{
curl https://github.com/ruby/ruby/pull/47.diff | git apply
curl https://raw.github.com/gist/1859082/performance_and_backport_gc.patch | patch -p1
autoconf
./configure --prefix="$PREFIX_PATH" $CONFIGURE_OPTS
make -j 8
make install
} >&4 2>&1
}
CC=$(which clang) install_package "yaml-0.1.4" "http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz"
CC=$(which clang) install_package "ruby-1.9.3-p125" "http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p125.tar.gz" combined_patch