brew formula for http://slash-lang.org/

slash.rb

# brew install ./slash --HEAD --with-lib-dir=/... --sapi=apache2 --with-json --without-mysql

require 'formula'

class Slash < Formula
  homepage 'http://slash-lang.org/'
  head 'git://github.com/slash-lang/slash.git'

  # Core dependencies
  depends_on 'gmp'
  depends_on 'pcre'
  # depends_on 'libiconv' # OS X already has it.

  # Extension dependencies
  depends_on 'libgcrypt' if build.with? 'gcrypt' or build.with? 'base64'
  depends_on 'yajl'      if build.with? 'json'
  depends_on 'discount'  if build.with? 'markdown'
  depends_on 'mysql'     if build.with? 'mysql'
  depends_on 'curl'      if build.with? 'curl'
  depends_on 'libsass'   if build.with? 'sass'
  # depends_on 'ruby'      if build.with? 'ruby' # OS X already has it.

  # API dependencies
  depends_on 'httpd'     if build.include? 'sapi=apache2'

  def install
    args = ["--prefix=#{prefix}"]

    build.args.to_a.each do |arg|
      if arg.to_s =~ /^--with-lib-dir/ || arg.to_s =~ /sapi/ # || arg.to_s =~ /ext/
        args << arg
      end
    end

    ['mysql', 'json', 'base64', 'gcrypt', 'inflect', 'markdown', 'curl', 'ruby', 'sass', 'socket'].each do |ext|
      if build.with? ext
        args << "--no-ext=#{ext}"
      else
        args << "--ext=#{ext}"
      end
    end

    system './configure', *args
    system 'make'
    system 'make install'
  end
end