166 lines
3.8 KiB
Ruby
166 lines
3.8 KiB
Ruby
require 'rbconfig'
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require 'rubygems'
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require 'rubygems/version'
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begin
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require 'facter'
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rescue LoadError
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warn 'Including Facter allows for detection of # of cpus, resulting in faster compilations.'
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end
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module Qt
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class NotInstalledError < StandardError; end
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class Qmake
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class << self
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QMAKES = %w{qmake-qt4 qmake}
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def installed?
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path != nil
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end
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def make_installed?
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make_path != nil
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end
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def command(project_file = nil)
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spec = (case platform
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when :linux
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"linux-g++"
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when :freebsd
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"freebsd-g++"
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when :mac_os_x
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"macx-g++"
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end)
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command = "#{path} -spec #{spec}"
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command << " #{project_file}" if project_file
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command
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end
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def make!(name, project_file = nil)
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@name = name
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check_make!
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check_qmake!
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system command(project_file)
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system %{make #{make_options}}
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end
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def make_options
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"-j#{number_of_cpus}"
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end
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#
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# We need integration tests for these!
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#
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def path
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@path ||= best_qmake
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end
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def make_path
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get_exe_path('gmake') || get_exe_path('make')
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end
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def platform
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case RbConfig::CONFIG['host_os']
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when /linux/
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:linux
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when /freebsd/i
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:freebsd
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when /darwin/
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:mac_os_x
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end
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end
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def qt_version_of(qmake_path)
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Gem::Version.new(%x{#{qmake_path} -v}.lines.to_a[1][%r{Using Qt version ([^ ]+) },1])
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end
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def best_qmake
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if qmake_path = QMAKES.collect do |path|
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result = nil
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if qmake_path = get_exe_path(path)
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if (qt_version = qt_version_of(qmake_path)) >= Gem::Version.create('4.7')
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result = [ qmake_path, qt_version ]
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end
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end
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result
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end.compact.sort { |a, b| b.last <=> a.last }.first
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qmake_path.first
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else
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nil
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end
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end
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private
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def number_of_cpus
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if defined?(Facter)
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Facter.sp_number_processors rescue Facter.processorcount
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else
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1
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end
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end
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def get_exe_path(command)
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path = %x{which #{command}}.strip
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path = nil if path == ''
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path
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end
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def check_make!
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if !make_installed?
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install_method = (
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case platform
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when :linux
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%{sudo apt-get install make or sudo yum install make}
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when :freebsd
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%{install /usr/ports/devel/gmake}
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when :mac_os_x
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%{Install XCode, and/or sudo port install make}
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end
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)
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$stderr.puts <<-MSG
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make is not installed. You'll need to install it to build #{@name}.
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#{install_method} should do it for you.
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MSG
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raise NotInstalledError
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end
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end
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def check_qmake!
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if !installed?
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install_method = (
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case platform
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when :linux
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<<-MSG
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sudo apt-get install libqt4-dev qt4-qmake on Debian-based systems, or downloading
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Nokia's prebuilt binary at http://qt.nokia.com/downloads/
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MSG
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when :freebsd
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<<-MSG
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Install /usr/ports/www/qt4-webkit and /usr/ports/devel/qmake4.
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MSG
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MSG
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when :mac_os_x
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<<-MSG
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sudo port install qt4-mac (for the patient) or downloading Nokia's pre-built binary
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at http://qt.nokia.com/downloads/
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MSG
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end
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).strip
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$stderr.puts <<-MSG
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qmake is not installed or is not the right version (#{@name} needs Qt 4.7 or above).
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You'll need to install it to build #{@name}.
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#{install_method} should do it for you.
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MSG
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end
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end
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end
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end
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end
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