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build.rb
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build.rb
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#!/usr/bin/env ruby
require 'rbconfig'
require 'optparse'
require 'fileutils'
require 'open3'
ROOT = File.expand_path(File.dirname(__FILE__))
FLAGS = {
# Default verbosity.
:verbose => false,
# Toggles targeting of mobile platforms, i.e. Android and iOS.
:mobile => false,
# Toggles targeting of closed platforms, i.e. Xbox One and PlayStation 4.
:closed => false,
}.freeze
$verbose = FLAGS[:verbose]
module Terminal
def self.black(message); self.colorize(message, 30) end
def self.red(message); self.colorize(message, 31) end
def self.green(message); self.colorize(message, 32) end
def self.yellow(message); self.colorize(message, 33) end
def self.blue(message); self.colorize(message, 34) end
def self.magenta(message); self.colorize(message, 35) end
def self.cyan(message); self.colorize(message, 36) end
def self.white(message); self.colorize(message, 37) end
private
def self.colorize(message, cc)
$stdout.isatty() ? "\e[#{cc}m#{message}\e[0m" : message
end
end
def log(message)
puts(message) if $verbose
end
def panic(message)
puts Terminal.red(message)
exit 1
end
class Platform
attr_reader :name
def initialize(name)
@name = name.dup.freeze
end
def self.detect
case RbConfig::CONFIG["host_os"]
when /mswin|windows|mingw|cygwin/i
Platform.new('windows')
when /darwin/i
Platform.new('mac')
when /linux/i
Platform.new('linux')
'linux'
when /bsd/i
Platform.new('bsd')
else
Platform.new('unknown')
end
end
def defaults
DEFAULTS[@name]
end
def windows?; @name == 'windows'; end
def mac?; @name == 'mac'; end
def linux?; @name == 'linux'; end
def bsd?; @name == 'bsd'; end
def uwp?; @name == 'uwp'; end
def android?; @name == 'android'; end
def ios?; @name == 'ios'; end
def xb1?; @name == 'xb1'; end
def ps4?; @name == 'ps4'; end
def host?
%w(windows mac linux).include?(@name)
end
def target?
if mobile?
FLAGS[:mobile]
elsif closed?
FLAGS[:closed]
else
true
end
end
def desktop?; %w(windows mac linux bsd uwp).include?(@name); end
def server?; %w(linux bsd).include?(@name); end
def mobile?; %w(android ios).include?(@name); end
def open?; !closed?; end
def closed?; %w(xb1 ps4).include?(@name); end
def known?; !unknown?; end
def unknown?; @name == 'unknown'; end
end
HOST = Platform.detect.freeze
unless HOST.host?
host = RbConfig::CONFIG["host_os"]
panic "Building on `#{host}` is not supported."
end
if HOST.bsd?
panic "Building on `bsd` is not supported yet."
end
HOSTS = %w(windows mac linux).freeze
TOOLCHAINS = %w(vs clang gcc).freeze
PLATFORMS = %w(windows mac linux uwp android ios xb1 ps4).freeze
ARCHITECTURES = %w(x86 x86_64).freeze
CONFIGURATIONS = %w(debug release).freeze
def filter_out_mobile(platforms)
if FLAGS[:mobile] then platforms else [] end
end
def filter_out_closed(platforms)
if FLAGS[:closed] then platforms else [] end
end
WHITELIST = {
# Which toolchains can be used by which hosts.
:toolchains => {
'windows' => %w(vs),
'mac' => %w(gcc clang),
'linux' => %w(gcc clang)
},
# Which platforms can be targeted by which hosts.
:platforms => {
'windows' => %w(windows uwp) + filter_out_mobile(%w(android)) + filter_out_closed(%w(xb1 ps4)),
'mac' => %w(mac) + filter_out_mobile(%w(ios)),
'linux' => %w(linux) + filter_out_mobile(%w(android))
},
# Which architectures are supported on which platforms.
:architectures => {
'windows' => %w(x86 x86_64),
'mac' => %w(x86 x86_64),
'linux' => %w(x86 x86_64),
'uwp' => %w(x86 x86_64 arm),
'android' => %w(arm),
'ios' => %w(arm),
'xb1' => %w(x86_64),
'ps4' => %w(x86_64)
},
# Which configurations are supported on which platforms.
:configurations => {
'windows' => %w(debug release),
'mac' => %w(debug release),
'linux' => %w(debug release),
'uwp' => %w(debug release),
'android' => %w(debug release),
'ios' => %w(debug release),
'xb1' => %w(debug release),
'ps4' => %w(debug release)
}
}.freeze
DEFAULTS = {
'windows' => {
toolchain: 'vs',
platforms: %w(windows),
architectures: %w(x86 x86_64),
configurations: %w(debug release)
},
'mac' => {
toolchain: 'clang',
platforms: %w(mac),
architectures: %w(x86 x86_64),
configurations: %w(debug release)
},
'linux' => {
toolchain: 'gcc',
platforms: %w(linux),
architectures: %w(x86 x86_64),
configurations: %w(debug release)
}
}.freeze
TARGETS = %w(project)
DEPENDENCIES = {
'project' => []
}.freeze
SCRIPTS = {
'project' => {
'debug_windows_x86' => '_build/build_debug_windows_32.bat',
'release_windows_x86' => '_build/build_release_windows_32.bat',
'debug_windows_x86_64' => '_build/build_debug_windows_64.bat',
'release_windows_x86_64' => '_build/build_release_windows_64.bat',
'debug_mac_x86' => '_build/build_debug_mac_32.sh',
'release_mac_x86' => '_build/build_release_mac_32.sh',
'debug_mac_x86_64' => '_build/build_debug_mac_64.sh',
'release_mac_x86_64' => '_build/build_release_mac_64.sh',
'debug_linux_x86' => '_build/build_debug_linux_32.sh',
'release_linux_x86' => '_build/build_release_linux_32.sh',
'debug_linux_x86_64' => '_build/build_debug_linux_64.sh',
'release_linux_x86_64' => '_build/build_release_linux_64.sh'
}
}.freeze
class BuildOptions
attr_reader :toolchain,
:platforms,
:architectures,
:configurations
def initialize
@toolchain = @platforms = @architectures = @configurations = nil
end
def parse(arguments)
# Use built-in option parser to parse arguments.
options = {}
self.parser(options).parse!(arguments)
# Validate and extract.
extract!(options)
self
rescue OptionParser::ParseError => e
puts e
puts
puts parser
exit 1
end
def extract!(parsed)
if parsed[:toolchain]
if parsed[:toolchain][:name] == 'vs'
version = if parsed[:toolchain][:version]
{
'2017' => '15.0',
'2015' => '14.0',
'2013' => '12.0',
'2012' => '11.0',
'2010' => '10.0',
'2008' => '9.0',
'2005' => '8.0',
'latest' => 'latest'
}.fetch(parsed[:toolchain][:version])
else
'latest'
end
unless version
panic "Bad toolchain version!"
end
@toolchain = {name: parsed[:toolchain][:name], version: version}
else
@toolchain = parsed[:toolchain]
end
else
@toolchain = {name: DEFAULTS[HOST.name][:toolchain], version: 'latest'}
end
if parsed[:platforms]
@platforms = parsed[:platforms]
else
@platforms = DEFAULTS[HOST.name][:platforms]
end
@platforms.each do |target|
unless PLATFORMS.include?(target)
panic "Cannot target `#{target}`!"
end
unless WHITELIST[:platforms][HOST.name].include?(target)
panic "Cannot target `#{target}` on `#{HOST.name}` host!"
end
end
if parsed[:architectures]
@architectures = parsed[:architectures]
else
@architectures = DEFAULTS[HOST.name][:architectures]
end
@architectures.each do |architecture|
unless ARCHITECTURES.include?(architecture)
panic "Cannot target `#{architecture}` systems!"
end
end
@platforms.each do |target|
@architectures.each do |architecture|
unless WHITELIST[:architectures][target].include?(architecture)
panic "Cannot target `#{architecture}` and `#{target}`!"
end
end
end
if parsed[:configurations]
@configurations = parsed[:configurations]
else
@configurations = DEFAULTS[HOST.name][:configurations]
end
@configurations.each do |configuration|
unless CONFIGURATIONS.include?(configuration)
panic "No `#{configuration}` configuration!"
end
end
@platforms.each do |target|
@configurations.each do |configuration|
unless WHITELIST[:configurations][target].include?(configuration)
panic "Cannot target `#{configuration}` configuration and `#{target}`."
end
end
end
end
def parser(parsed)
OptionParser.new do |options|
options.banner = "Usage: build.rb [OPTIONS] [TARGETS]"
options.separator ""
options.on '--toolchain TOOLCHAIN', "Toolchain to use." do |toolchain|
regex = /^([a-z]+)(?:\@([.0-9]*|latest))?$/
matches = regex.match(toolchain)
raise "Indecipherable toolchain specification!" unless matches
parsed[:toolchain] = {name: matches[1], version: matches[2] || 'latest'}
end
options.on '--platform PLATFORMS', "Platforms to target." do |platform|
parsed[:platform] = platform.split(',')
end
options.on '--architecture ARCHITECTURES', "Architectures to target." do |architectures|
parsed[:architectures] = architectures.split(',')
end
options.on '--config CONFIGURATIONS', "Configurations to build." do |configurations|
parsed[:configurations] = configurations.split(',')
end
options.separator ""
options.on '-v', '--verbose', "Increases verbosity of output." do
$verbose = true
end
options.separator ""
options.on("-h", "--help", "Prints this help.") do
puts options
exit
end
end
end
end
class CommandLineParser
attr_reader :options,
:targets
def initialize
@options = BuildOptions.new
@targets = []
end
def parse(arguments)
@options.parse(arguments)
if arguments.length > 0
# Targets have been explicitly specified.
@targets.concat(arguments)
else
@targets.concat(TARGETS.dup)
end
validate!
self
end
def validate!
bad = @targets.reject do |target|
TARGETS.include?(target)
end
if bad.length > 1
panic "Given target `#{bad}` does not exist."
elsif bad.length > 0
panic "Given targets #{bad.join(' and ')} do not exist."
end
end
end
class BuildDriver
def initialize(options)
@threads = options.fetch(:threads, 1)
@options = nil
@targets = []
@workload = 0
@remaining = 0
@tasks = []
end
def run(arguments)
parse_command_line(arguments)
expand_targets_to_dependencies
derive_build_matrix
calculate_work_load
break_into_tasks
run_tasks
end
private
def parse_command_line(arguments)
command_line_parser = CommandLineParser.new
command_line_parser.parse(arguments.dup)
@options = command_line_parser.options
@targets = command_line_parser.targets
end
def expand_targets_to_dependencies
tree = lambda { |targets|
[*targets].map do |target|
DEPENDENCIES[target].map do |dependency|
tree.(dependency)
end + [target]
end.flatten.uniq
}
@targets = tree.(@targets)
end
def derive_build_matrix
platforms = @options.platforms
architectures = @options.architectures
configurations = @options.configurations
@matrix = configurations.product(platforms.product(architectures)).map(&:flatten)
end
def calculate_work_load
@workload = @targets.length * @matrix.length
@remaining = @workload
end
def break_into_tasks
@targets.each do |target|
@matrix.each do |config, platform, architecture|
@tasks << lambda {
task = @workload - (@remaining = @remaining - 1)
triplet = "#{config}_#{platform}_#{architecture}"
puts "[%2d/%-2d] Building `%s` for %s..." % [task, @workload, target, triplet]
env = {
'VERBOSE' => $verbose ? '1' : '0',
'TOOLCHAIN' => @options.toolchain[:version]
}
success = !!system(ENV.to_h.merge(env), SCRIPTS[target][triplet])
if success
puts Terminal.green("[%2d/%-2d] Done." % [task, @workload])
else
puts Terminal.red("[%2d/%-2d] Failed!" % [task, @workload])
end
}
end
end
end
def run_tasks
Dir.chdir(ROOT) do
@tasks.each(&:call)
end
end
end
BuildDriver.new(:threads => 1).run(ARGV)