class Anttweakbar < Formula
  desc "C/C++ library for adding GUIs to OpenGL apps"
  homepage "https://anttweakbar.sourceforge.io/"
  url "https://downloads.sourceforge.net/project/anttweakbar/AntTweakBar_116.zip"
  version "1.16"
  sha256 "fbceb719c13ceb13b9fd973840c2c950527b6e026f9a7a80968c14f76fcf6e7c"

  bottle do
    cellar :any
    rebuild 1
    sha256 "38b3f17cf22401dd83d9f2ea375b14b31fbd011e0e2b6cbb8b5be894ac49db0b" => :catalina
    sha256 "2e68286a46381829f51a5bb91eb03bcdc876b79445c86672395517b4f3322652" => :mojave
    sha256 "393b87de789337afebed9196404af46fa660fea3b476d874d77b48bb35c8079b" => :high_sierra
    sha256 "af510970b310b01ee52528e816cdd53e2d4a4e2cfc76e426b1710f758bc99d20" => :sierra
    sha256 "417278abe012967efcf22b0276527187f6472dd5fd4d271b1ea32604816d46c9" => :el_capitan
    sha256 "a2e29104a5ef51621faaebd72ccc39bd5fe7bd6e977af74a358c5cc83c65c2c2" => :yosemite
    sha256 "d1298b92cf6a7498c3b357adf6e696d0b24374e758853783fa228a8af5eecddc" => :mavericks
  end

  # See:
  # https://sourceforge.net/p/anttweakbar/code/ci/5a076d13f143175a6bda3c668e29a33406479339/tree/src/LoadOGLCore.h?diff=5528b167ed12395a60949d7c643262b6668f15d5&diformat=regular
  # https://sourceforge.net/p/anttweakbar/tickets/14/
  patch do
    url "https://raw.githubusercontent.com/Homebrew/formula-patches/62e79481/anttweakbar/anttweakbar.diff"
    sha256 "3be2cb71cc00a9948c8b474da7e15ec85e3d094ed51ad2fab5c8991a9ad66fc2"
  end

  def install
    # Work around Xcode 9 error "no member named 'signbit' in the global
    # namespace" and Xcode 8 issue on El Capitan "error: missing ',' between
    # enumerators"
    if DevelopmentTools.clang_build_version >= 900 ||
       (MacOS.version == :el_capitan && MacOS::Xcode.version >= "8.0")
      ENV.delete("SDKROOT")
    end

    system "make", "-C", "src", "-f", "Makefile.osx"
    lib.install "lib/libAntTweakBar.dylib", "lib/libAntTweakBar.a"
    include.install "include/AntTweakBar.h"
  end
end