class Portmidi < Formula
  desc "Cross-platform library for real-time MIDI I/O"
  homepage "https://sourceforge.net/projects/portmedia/"
  url "https://downloads.sourceforge.net/project/portmedia/portmidi/217/portmidi-src-217.zip"
  sha256 "08e9a892bd80bdb1115213fb72dc29a7bf2ff108b378180586aa65f3cfd42e0f"
  revision 2

  bottle do
    cellar :any
    sha256 "0dfe3a9b8ba85cf769c54a66fef958bfc0579700c3b8a3b494597a931e78db00" => :mojave
    sha256 "746ef0d9f4013333e18b65160559ad578f2e491d5252ea22434cf8718885eb1e" => :high_sierra
    sha256 "fba5058ec32b4f448c35104824f503a687bca51201e47c9e27020c08dd21fc41" => :sierra
  end

  depends_on "cmake" => :build

  def install
    if MacOS.version == :sierra || MacOS.version == :el_capitan
      ENV["SDKROOT"] = MacOS.sdk_path
    end

    inreplace "pm_mac/Makefile.osx", "PF=/usr/local", "PF=#{prefix}"

    # need to create include/lib directories since make won't create them itself
    include.mkpath
    lib.mkpath

    # Fix outdated SYSROOT to avoid:
    # No rule to make target `/Developer/SDKs/MacOSX10.5.sdk/...'
    inreplace "pm_common/CMakeLists.txt",
              "set(CMAKE_OSX_SYSROOT /Developer/SDKs/MacOSX10.5.sdk CACHE",
              "set(CMAKE_OSX_SYSROOT /#{MacOS.sdk_path} CACHE"

    system "make", "-f", "pm_mac/Makefile.osx"
    system "make", "-f", "pm_mac/Makefile.osx", "install"
  end
end