libtorrent.rb

class Libtorrent < Formula
  desc "BitTorrent library"
  homepage "https://github.com/rakshasa/libtorrent"
  url "git://github.com/rakshasa/libtorrent.git"
  #sha256 "2838a08c96edfd936aff8fbf99ecbb930c2bfca3337dd1482eb5fccdb80d5a04"

  bottle :disable,
    "Cannot be built with Clang so bottle depends on GCC at runtime."

  depends_on "autoconf" => :build
  depends_on "automake" => :build
  depends_on "libtool" => :build
  depends_on "pkg-config" => :build
  depends_on "cppunit" => :build
  depends_on "pkg-config" => :build
  depends_on "openssl"

  # https://github.com/Homebrew/homebrew/issues/24132
  fails_with :clang do
    cause "Causes segfaults at startup/at random."
  end

  def install
    # Currently can't build against libc++; see:
    # https://github.com/homebrew/homebrew/issues/23483
    # https://github.com/rakshasa/libtorrent/issues/47
    ENV.libstdcxx if ENV.compiler == :clang

    system "sh", "autogen.sh"
    system "./configure", "--prefix=#{prefix}",
                          "--disable-debug",
                          "--disable-dependency-tracking",
                          "--with-kqueue",
                          "--enable-ipv6"
    system "make"
    system "make", "install"
  end

rtorrent.rb

class Rtorrent < Formula
  desc "Console-based BitTorrent client"
  homepage "https://github.com/rakshasa/rtorrent"
  url "git://github.com/rakshasa/rtorrent.git"

  depends_on "autoconf" => :build
  depends_on "automake" => :build
  depends_on "libtool" => :build
  depends_on "pkg-config" => :build
  depends_on "cppunit" => :build
  depends_on "libtorrent"
  depends_on "xmlrpc-c" => :optional

  # https://github.com/Homebrew/homebrew/issues/24132
  fails_with :clang do
    cause "Causes segfaults at startup/at random."
  end

  def install
    # Commented out since we're now marked as failing with clang - adamv
    # ENV.libstdcxx if ENV.compiler == :clang

    args = ["--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}"]
    args << "--with-xmlrpc-c" if build.with? "xmlrpc-c"
    if MacOS.version <= :leopard
      inreplace "configure" do |s|
        s.gsub! '  pkg_cv_libcurl_LIBS=`$PKG_CONFIG --libs "libcurl >= 7.15.4" 2>/dev/null`',
          '  pkg_cv_libcurl_LIBS=`$PKG_CONFIG --libs "libcurl >= 7.15.4" | sed -e "s/-arch [^-]*/-arch $(uname -m) /" 2>/dev/null`'
      end
    end
    system "sh", "autogen.sh"
    system "./configure", *args
    system "make"
    system "make", "install"

    doc.install "doc/rtorrent.rc"
  end
end