class Libusb < Formula
  desc "Library for USB device access"
  homepage "https://libusb.info/"
  url "https://github.com/libusb/libusb/releases/download/v1.0.24/libusb-1.0.24.tar.bz2"
  sha256 "7efd2685f7b327326dcfb85cee426d9b871fd70e22caa15bb68d595ce2a2b12a"
  license "LGPL-2.1-or-later"

  livecheck do
    url :stable
    strategy :github_latest
  end

  bottle do
    sha256 cellar: :any, arm64_big_sur: "1c40f64450705461a5373c3d54257e646d39914d44bffaf9d957bbe063db2129"
    sha256 cellar: :any, big_sur:       "74e0067e968ddbea31e070885ae86bc1db5c66fd157588e84576e653e62894c8"
    sha256 cellar: :any, catalina:      "034ae259f17afb5894860cdb1786fd6d391359e8d221c0f765eceed6210b60df"
    sha256 cellar: :any, mojave:        "1318e1155192bdaf7d159562849ee8f73cb0f59b0cb77c142f8be99056ba9d9e"
  end

  head do
    url "https://github.com/libusb/libusb.git"

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

  def install
    args = %W[--disable-dependency-tracking --disable-shared --prefix=#{prefix}]

    system "./autogen.sh" if build.head?
    system "./configure", *args, 
                      "CFLAGS=-isysroot /usr/local/SYSROOT/MacOSX10.13.sdk",
                      "CXXFLAGS=-isysroot /usr/local/SYSROOT/MacOSX10.13.sdk",
                      "CC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang",
                      "CXX=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++",
                      "LD=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld",
                      "AR=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar"
    system "gmake", "-j16", "clean"
    system "gmake", "-j16"
    system "gmake", "-j16", "install"
    (pkgshare/"examples").install Dir["examples/*"] - Dir["examples/Makefile*"]
  end

  test do
    cp_r (pkgshare/"examples"), testpath
    cd "examples" do
      system ENV.cc, "-lusb-1.0", "-L#{lib}", "-I#{include}/libusb-1.0",
             "listdevs.c", "-o", "test"
      system "./test"
    end
  end
end