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.



10
11
12
13
14
15
 
# 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 



37
38
39
40
41
42
43
44
45
 
# 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}") && system('make clean') && system('make') or abort "failed to build plugin: #{dir.basename}"
    end
  end
end

#configure_extension ⇒ Object 



47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
 
# File 'ext/qml/extconf.rb', line 47

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

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

  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

  $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 



17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
# 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