class Pcre < Formula
  desc "Perl compatible regular expressions library"
  homepage "http://www.pcre.org/"
  url "https://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.37.tar.bz2"
  mirror "https://www.mirrorservice.org/sites/downloads.sourceforge.net/p/pc/pcre/pcre/8.37/pcre-8.37.tar.bz2"
  sha256 "51679ea8006ce31379fb0860e46dd86665d864b5020fc9cd19e71260eef4789d"

  head do
    url "svn://vcs.exim.org/pcre/code/trunk"

    depends_on "automake" => :build
    depends_on "autoconf" => :build
    depends_on "libtool" => :build
  end

  bottle do
    cellar :any
    sha256 "83191880a6cc02a258928bf69f6bc0545b019f90ecccc5b2d08787180504327c" => :yosemite
    sha256 "88485e49b169f4123f29c086e8e59d835a16b1e7d39c4ecaca01412b88d16281" => :mavericks
    sha256 "78ecdc1a81fe8da426fd5fe0d9d04fb03bb92bd3763d876fcb3d48d45b76876f" => :mountain_lion
  end

  option :universal

  fails_with :llvm do
    build 2326
    cause "Bus error in ld on SL 10.6.4"
  end

  def install
    ENV.universal_binary if build.universal?

    system "./autogen.sh" if build.head?
    system "./configure", "--disable-dependency-tracking",
                          "--prefix=#{prefix}",
                          "--enable-utf8",
                          "--enable-pcre8",
                          "--enable-pcre16",
                          "--enable-pcre32",
                          "--enable-unicode-properties",
                          "--enable-pcregrep-libz",
                          "--enable-pcregrep-libbz2",
                          "--enable-jit"
    system "make"
    ENV.deparallelize
    system "make", "test"
    system "make", "install"
  end

  test do
    system "#{bin}/pcregrep", "regular expression", "#{prefix}/README"
  end
end