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  | 
require 'formula'
class SbclBootstrapBinaries < Formula
  url 'http://downloads.sourceforge.net/project/sbcl/sbcl/1.1.0/sbcl-1.1.0-x86-64-darwin-binary.tar.bz2'
  sha1 'ed2069e124027c43926728c48d604efbb4e33950'
  version "1.1.0"
end
class Sbcl < Formula
  homepage 'http://www.sbcl.org/'
  url 'http://downloads.sourceforge.net/project/sbcl/sbcl/1.1.3/sbcl-1.1.3-source.tar.bz2'
  sha1 '9c3027899a4d40f95549768f51f2aa010e84c009'
  head 'git://sbcl.git.sourceforge.net/gitroot/sbcl/sbcl.git'
  bottle do
    sha1 '1387c2961aba507cf285c74276fa5aa38fd6476f' => :mountainlion
    sha1 'b5f26fbd0e88997429fbe1cad42143bcb19f0d4b' => :lion
    sha1 'd5a1b5303a386871512ff4acdcf3447d460ddd8f' => :snowleopard
  end
  fails_with :llvm do
    build 2334
    cause "Compilation fails with LLVM."
  end
  option "32-bit"
  option "without-threads", "Build SBCL without support for native threads"
  option "with-ldb", "Include low-level debugger in the build"
  option "with-internal-xref", "Include XREF information for SBCL internals (increases core size by 5-6MB)"
  def patches
    { :p0 => [
        "https://trac.macports.org/export/88830/trunk/dports/lang/sbcl/files/patch-base-target-features.diff",
        "https://trac.macports.org/export/88830/trunk/dports/lang/sbcl/files/patch-make-doc.diff",
        "https://trac.macports.org/export/88830/trunk/dports/lang/sbcl/files/patch-posix-tests.diff",
        "https://trac.macports.org/export/88830/trunk/dports/lang/sbcl/files/patch-use-mach-exception-handler.diff"
    ]}
  end
  def write_features
    features = []
    features << ":sb-thread" unless build.include? "without-threads"
    features << ":sb-ldb" if build.include? "with-ldb"
    features << ":sb-xref-for-internals" if build.include? "with-internal-xref"
    File.open("customize-target-features.lisp", "w") do |file|
      file.puts "(lambda (list)"
      features.each do |f|
        file.puts "  (pushnew #{f} list)"
      end
      file.puts "  list)"
    end
  end
  def install
    write_features
    # Remove non-ASCII values from environment as they cause build failures
    # More information: http://bugs.gentoo.org/show_bug.cgi?id=174702
    ENV.delete_if do |key, value|
      value =~ /[\x80-\xff]/n
    end
    SbclBootstrapBinaries.new.brew do
      # We only need the binaries for bootstrapping, so don't install anything:
      command = Dir.pwd + "/src/runtime/sbcl"
      core = Dir.pwd + "/output/sbcl.core"
      xc_cmdline = "#{command} --core #{core} --disable-debugger --no-userinit --no-sysinit"
      cd buildpath do
        ENV['SBCL_ARCH'] = 'x86' if build.build_32_bit?
        system "./make.sh", "--prefix=#{prefix}", "--xc-host=#{xc_cmdline}"
      end
    end
    ENV['INSTALL_ROOT'] = prefix
    system "sh install.sh"
  end
  def caveats; <<-EOS.undent
    If you are upgrading sbcl and you have installed maxima,
    you have to reinstall maxima:
      brew rm maxima && brew install maxima
    EOS
  end
end
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