class Snap7 < Formula
  desc "Ethernet communication suite that works natively with Siemens S7 PLCs"
  homepage "https://snap7.sourceforge.io/"
  url "https://downloads.sourceforge.net/project/snap7/1.4.2/snap7-full-1.4.2.7z"
  sha256 "1f4270cde8684957770a10a1d311c226e670d9589c69841a9012e818f7b9f80e"
  revision 1

  bottle do
    cellar :any
    rebuild 1
    sha256 "71aff7cbb3e78369d6b9a93887820dd7def1afe382ed82211be313942e1bb81d" => :mojave
    sha256 "b0d670ce6a2d780d13cfaa3346c6aa701f280a85be010dc42c802d6ebd028694" => :high_sierra
    sha256 "e04dea88411f3b444dcab340d3f11bd739fb853de65701e727546a9481981924" => :sierra
  end

  def install
    lib.mkpath
    system "make", "-C", "build/osx",
                   "-f", "#{MacOS.preferred_arch}_osx.mk",
                   "install", "LibInstall=#{lib}"
    include.install "release/Wrappers/c-cpp/snap7.h"
  end

  test do
    system "python", "-c", "import ctypes.util,sys;ctypes.util.find_library('snap7') or sys.exit(1)"
  end
end