class Widelands < Formula
  desc "Free real-time strategy game like Settlers II"
  homepage "https://wl.widelands.org/"
  url "https://launchpad.net/widelands/build19/build19/+download/widelands-build19-src.tar.bz2"
  sha256 "e511f9d26828a2b71b64cdfc6674e6e847543b2da73961ab882acca36c7c01a6"
  revision 10

  bottle do
    sha256 "cc3408d4faeb74f226ec9ee7adc6892d19385f7b37bc72d34b03c8339fc078c6" => :high_sierra
    sha256 "719b60a9176a608876214754dc762fbc55a8de0dca26f55ba5f4e3755d7a55ee" => :sierra
    sha256 "abf74bba10675ae62f574acdb284d6f728837b1834e5081465b6be313907ac6b" => :el_capitan
  end

  depends_on "cmake" => :build
  depends_on "boost"
  depends_on "libpng"
  depends_on "minizip"
  depends_on "gettext"
  depends_on "sdl2_image"
  depends_on "sdl2_mixer"
  depends_on "sdl2_net"
  depends_on "sdl2_ttf"
  depends_on "doxygen"
  depends_on "glew"
  depends_on "lua"
  depends_on "icu4c"

  needs :cxx11

  def install
    # icu4c 61.1 compatability
    ENV.append "CXXFLAGS", "-DU_USING_ICU_NAMESPACE=1"

    ENV.cxx11
    mkdir "build" do
      system "cmake", "..",
                      # Without the following option, Cmake intend to use the library of MONO framework.
                      "-DPNG_PNG_INCLUDE_DIR:PATH=#{Formula["libpng"].opt_include}",
                      "-DWL_INSTALL_DATADIR=#{pkgshare}/data",
                       *std_cmake_args
      system "make", "install"

      (bin/"widelands").write <<~EOS
        #!/bin/sh
        exec #{prefix}/widelands "$@"
      EOS
    end
  end

  test do
    system bin/"widelands", "--version"
  end
end