binutils_xv6.rb

require 'formula'

class BinutilsXv6 < Formula
  url 'http://ftpmirror.gnu.org/binutils/binutils-2.21.1a.tar.bz2'
  mirror 'http://ftp.gnu.org/gnu/binutils/binutils-2.21.1a.tar.bz2'
  homepage 'http://www.gnu.org/software/binutils/binutils.html'
  md5 'bde820eac53fa3a8d8696667418557ad'

  def install
    system "./configure", "--target=i386-jos-elf",
                          "--disable-debug",
                          "--disable-dependency-tracking",
                          "--disable-nls",
                          "--prefix=#{prefix}",
                          "--infodir=#{info}",
                          "--mandir=#{man}",
                          "--disable-werror",
                          "--enable-interwork",
                          "--enable-multilib"
    system "make"
    system "make", "install"
  end
end

gcc_xv6.rb

require 'formula'

class GccXv6 < Formula
  url 'http://ftpmirror.gnu.org/gcc/gcc-4.5.1/gcc-core-4.5.1.tar.bz2'
  mirror 'http://ftp.gnu.org/gnu/gcc-4.5.1/gcc-core-4.5.1.tar.bz2'
  homepage 'http://www.gnu.org/software/gcc/'
  md5 'dc8959e31b01a65ce10d269614815054'

  depends_on 'gmp'
  depends_on 'mpfr'
  depends_on 'mpc'

  def install
    gmp = Formula.factory 'gmp'
    mpfr = Formula.factory 'mpfr'
    mpc = Formula.factory 'mpc'

    target = "i386-jos-elf"
    gas_path = "#{HOMEBREW_PREFIX}/bin/#{target}-as"

    mkdir "build"
    cd "build"
    system "../configure", "--target=#{target}",
                           "--disable-debug",
                           "--disable-nls",
                           "--disable-dependency-tracking",
                           "--prefix=#{prefix}",
                           "--infodir=#{info}",
                           "--mandir=#{man}",
                           "--without-headers",
                           "--with-newlib",
                           "--disable-threads",
                           "--disable-shared",
                           "--disable-libmudflap",
                           "--disable-libssp",
                           "--with-gmp=#{gmp.prefix}",
                           "--with-mpfr=#{mpfr.prefix}",
                           "--with-mpc=#{mpc.prefix}",
                           "--with-as=#{gas_path}"
    system "make", "all-gcc"
    system "make", "all-target-libgcc"
    system "make", "install-gcc"
    system "make", "install-target-libgcc"
  end
end

gdb_xv6.rb

require 'formula'

class GdbXv6 < Formula
  url 'http://ftpmirror.gnu.org/gdb/gdb-6.8a.tar.gz'
  mirror 'http://ftp.gnu.org/gnu/gdb/gdb-6.8a.tar.gz'
  homepage 'http://www.gnu.org/software/gdb/'
  md5 '6bccd284284261e46ad5acfb5cf3a499'

  def install
    system "./configure", "--target=i386-jos-elf",
                          "--disable-debug",
                          "--disable-dependency-tracking",
                          "--program-prefix=i386-jos-elf-",
                          "--prefix=#{prefix}",
                          "--infodir=#{info}",
                          "--mandir=#{man}",
                          "--disable-werror"
    system "make"
    system "make", "install"
  end
end