homebrew-core/Formula/qt@5.rb

# Patches for Qt must be at the very least submitted to Qt's Gerrit codereview
# rather than their bug-report Jira. The latter is rarely reviewed by Qt.
class QtAT5 < Formula
  desc "Cross-platform application and UI framework"
  homepage "https://www.qt.io/"
  url "https://download.qt.io/official_releases/qt/5.15/5.15.2/single/qt-everywhere-src-5.15.2.tar.xz"
  mirror "https://mirrors.dotsrc.org/qtproject/archive/qt/5.15/5.15.2/single/qt-everywhere-src-5.15.2.tar.xz"
  mirror "https://mirrors.ocf.berkeley.edu/qt/archive/qt/5.15/5.15.2/single/qt-everywhere-src-5.15.2.tar.xz"
  sha256 "3a530d1b243b5dec00bc54937455471aaa3e56849d2593edb8ded07228202240"
  license all_of: ["GFDL-1.3-only", "GPL-2.0-only", "GPL-3.0-only", "LGPL-2.1-only", "LGPL-3.0-only"]

  bottle do
    sha256 cellar: :any, arm64_big_sur: "ca6ad27d24c751b85f2b577df3773d52b48f0f286c5b1414ae8d1437ad72a3e4"
    sha256 cellar: :any, big_sur:       "e7b8af5d4a61e1ab8ec6b564ed998adca00096b0d9253ab1869ffceae386e90e"
    sha256 cellar: :any, catalina:      "bb2f387b24ff94be3bd555be8201ac8b458bf2927e912cf3d5543fb0057e826d"
    sha256 cellar: :any, mojave:        "b683d62158780905d1bcf43f4159169db3cd4ca196dd4e12d3fd261dc4825d6f"
  end

  keg_only :versioned_formula

  depends_on "pkg-config" => :build
  depends_on xcode: :build
  depends_on macos: :sierra

  uses_from_macos "gperf" => :build
  uses_from_macos "bison"
  uses_from_macos "flex"
  uses_from_macos "sqlite"

  # Find SDK for 11.x macOS
  # Upstreamed, remove when Qt updates Chromium
  patch do
    url "https://raw.githubusercontent.com/Homebrew/formula-patches/92d4cf/qt/5.15.2.diff"
    sha256 "fa99c7ffb8a510d140c02694a11e6c321930f43797dbf2fe8f2476680db4c2b2"
  end

  # Patch for qmake on ARM
  # https://codereview.qt-project.org/c/qt/qtbase/+/327649
  if Hardware::CPU.arm?
    patch do
      url "https://raw.githubusercontent.com/Homebrew/formula-patches/9dc732/qt/qt-split-arch.patch"
      sha256 "36915fde68093af9a147d76f88a4e205b789eec38c0c6f422c21ae1e576d45c0"
      directory "qtbase"
    end
  end

  def install
    args = %W[
      -verbose
      -prefix #{prefix}
      -release
      -opensource -confirm-license
      -system-zlib
      -qt-libpng
      -qt-libjpeg
      -qt-freetype
      -qt-pcre
      -nomake examples
      -nomake tests
      -no-rpath
      -pkg-config
      -dbus-runtime
    ]

    if Hardware::CPU.arm?
      # Temporarily fixes for Apple Silicon
      args << "-skip" << "qtwebengine" << "-no-assimp"
    else
      # Should be reenabled unconditionnaly once it is fixed on Apple Silicon
      args << "-proprietary-codecs"
    end

    system "./configure", *args

    # Remove reference to shims directory
    inreplace "qtbase/mkspecs/qmodule.pri",
              /^PKG_CONFIG_EXECUTABLE = .*$/,
              "PKG_CONFIG_EXECUTABLE = #{Formula["pkg-config"].opt_bin/"pkg-config"}"
    system "make"
    ENV.deparallelize
    system "make", "install"

    # Some config scripts will only find Qt in a "Frameworks" folder
    frameworks.install_symlink Dir["#{lib}/*.framework"]

    # The pkg-config files installed suggest that headers can be found in the
    # `include` directory. Make this so by creating symlinks from `include` to
    # the Frameworks' Headers folders.
    Pathname.glob("#{lib}/*.framework/Headers") do |path|
      include.install_symlink path => path.parent.basename(".framework")
    end

    # Move `*.app` bundles into `libexec` to expose them to `brew linkapps` and
    # because we don't like having them in `bin`.
    # (Note: This move breaks invocation of Assistant via the Help menu
    # of both Designer and Linguist as that relies on Assistant being in `bin`.)
    libexec.mkpath
    Pathname.glob("#{bin}/*.app") { |app| mv app, libexec }
  end

  def caveats
    s = <<~EOS
      We agreed to the Qt open source license for you.
      If this is unacceptable you should uninstall.
    EOS

    if Hardware::CPU.arm?
      s += <<~EOS

        This version of Qt on Apple Silicon does not include QtWebEngine
      EOS
    end

    s
  end

  test do
    (testpath/"hello.pro").write <<~EOS
      QT       += core
      QT       -= gui
      TARGET = hello
      CONFIG   += console
      CONFIG   -= app_bundle
      TEMPLATE = app
      SOURCES += main.cpp
    EOS

    (testpath/"main.cpp").write <<~EOS
      #include <QCoreApplication>
      #include <QDebug>

      int main(int argc, char *argv[])
      {
        QCoreApplication a(argc, argv);
        qDebug() << "Hello World!";
        return 0;
      }
    EOS

    # Work around "error: no member named 'signbit' in the global namespace"
    ENV.delete "CPATH"

    system bin/"qmake", testpath/"hello.pro"
    system "make"
    assert_predicate testpath/"hello", :exist?
    assert_predicate testpath/"main.o", :exist?
    system "./hello"
  end
end