Class: Configurator

Inherits:
Object
  • Object
show all
Defined in:
ext/qml/extconf.rb

Constant Summary collapse

PKGS = 
%w{Qt5Core Qt5Gui Qt5Widgets Qt5Qml Qt5Quick libffi}
HEADERS = 
%w{QObject QVariant QApplication QQmlEngine QQmlComponent QQmlContext ffi.h}
CLASSES = 
%w{listmodel}

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Configurator

Returns a new instance of Configurator.



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# File 'ext/qml/extconf.rb', line 10

def initialize
  find_dependencies
  @cppflags = []
  @ldflags = []
  @debug_enabled = enable_config('debug')
end

Instance Method Details

#build_plugins ⇒ Object 



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# File 'ext/qml/extconf.rb', line 37

def build_plugins
  puts "building plugins..."
  qmake_opts = @debug_enabled ? 'CONFIG+=debug' : ''
  Pathname(__FILE__).+("../plugins").children.select(&:directory?).each do |dir|
    Dir.chdir(dir) do
      system("#{@qmake} #{qmake_opts}") or abort "failed to configurate plugin: #{dir.basename}"
      system('make clean') if enable_config('clean-plugin', false)
      system('make') or abort "failed to build plugin: #{dir.basename}"
    end
  end
end

#configure_extension ⇒ Object 



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# File 'ext/qml/extconf.rb', line 49

def configure_extension
  RbConfig::CONFIG['CPP'].gsub!(RbConfig::CONFIG['CC'], RbConfig::CONFIG['CXX'])

  PKGS.each do |mod|
    @cppflags << `#{@pkgconfig} --cflags #{mod}`.chomp

    libs =`#{@pkgconfig} --libs #{mod}`.chomp
    @ldflags << libs

    # add framework search path to cppflags
    libs.split.each do |lib|
      @cppflags << lib if /^-F/ =~ lib
    end
  end

  # add private header directory of QtCore
  qtversion = `#{@pkgconfig} --modversion Qt5Core`.chomp
  `#{@pkgconfig} --cflags-only-I Qt5Core`.split.map { |i| Pathname(i.gsub("-I", "")) }.each do |dir|
    private_dir = dir + "#{qtversion}/QtCore"
    @cppflags << "-I#{private_dir}" if private_dir.exist?
  end

  # include framework headers in Mac
  # (Qt official installer for Mac does not install header files in /include directory)
  if /darwin/ =~ RUBY_PLATFORM
    PKGS.map { |pkg| pkg.gsub(/^Qt5/, 'Qt') }.each do |framework|
      @cppflags << "-I#{@qt_path + "lib/#{framework}.framework/Headers"}"
    end
    # add private header directory of QtCore
    @cppflags << "-I#{@qt_path}/lib/QtCore.framework/Headers/#{qtversion}/QtCore"
  end

  $CPPFLAGS += " #{@cppflags.join(" ")}"
  $LDFLAGS += " #{@ldflags.join(" ")}"
  $CPPFLAGS += " -fPIC"

  HEADERS.each do |h|
    abort "header not found: #{h}" unless have_header(h)
  end

  unless have_func('rb_thread_call_with_gvl') && have_func('rb_thread_call_without_gvl')
    abort "rb_thread_call_with_gvl and rb_thread_call_without_gvl not found"
  end
  $CPPFLAGS += " -DHAVE_RUBY_THREAD_H" if have_header('ruby/thread.h')

  $CPPFLAGS += " -std=c++11 -Wall -Wextra -pipe"
  if @debug_enabled
    $CPPFLAGS += " -O0 -ggdb3"
  else
    $CPPFLAGS += " -O3"
  end

  CLASSES.each do |header|
    File.write("moc_#{header}.cpp", `#{@moc} #{header}.h`)
  end

  create_makefile 'qml/qml'
end

#find_dependencies ⇒ Object 



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# File 'ext/qml/extconf.rb', line 17

def find_dependencies
  @pkgconfig = with_config('pkg-config') || find_executable('pkg-config')
  abort 'pkg-config executable not found' unless @pkgconfig

  @qt_path = with_config('qt-dir')
  @qt_path &&= Pathname(@qt_path).realpath

  @ffi_path = with_config('libffi-dir')
  @ffi_path &&= Pathname(@ffi_path).realpath

  [@qt_path, @ffi_path].compact.each do |path|
    ENV['PKG_CONFIG_PATH'] = "#{path + 'lib/pkgconfig'}:#{ENV['PKG_CONFIG_PATH']}"
  end

  @qmake = @qt_path ? @qt_path + 'bin/qmake' : find_executable('qmake')
  @moc = @qt_path ? @qt_path + 'bin/moc' : find_executable('moc')
  abort 'qmake executable not found' unless @qmake
  abort 'moc executable not found' unless @moc
end