UnityのiOSビルド時にFrameworkを追加する

PostprocessBuildPlayer.rb

#!/usr/bin/env ruby

require 'xcodeproj'
require 'fileutils'

PROJECT = 'Unity-iPhone'
TARGET = 'Unity-iPhone'
LIBRARY = 'Libraries'

# システムFramework追加
def add_frameworks(project, names, optional = false)
  project.targets.each do |target|
    next unless TARGET == target.name

    build_phase = target.frameworks_build_phase
    framework_group = project.frameworks_group

    names.each do |name|
      next if exist_framework?(build_phase, name)

      path = "System/Library/Frameworks/#{name}.framework"
      file_ref = framework_group.new_reference(path)
      file_ref.name = "#{name}.framework"
      file_ref.source_tree = 'SDKROOT'
      build_file = build_phase.add_file_reference(file_ref)
      if optional
        build_file.settings = { 'ATTRIBUTES' => ['Weak'] }
      end
    end
  end
end

# 外部Framework追加
def add_external_frameworks(project, names)
  project.targets.each do |target|
    next unless TARGET == target.name

    target.build_configurations.each do |configuration|
      # Framework Search Pathsを設定
      configuration.build_settings['FRAMEWORK_SEARCH_PATHS'] = configuration.build_settings['LIBRARY_SEARCH_PATHS']
    end

    build_phase = target.frameworks_build_phase
    library_group = project.main_group.children.find {|child| child.path == LIBRARY}

    names.each do |name|
      next if exist_framework?(build_phase, name)

      copy_library(name)

      path = "#{LIBRARY}/#{name}.framework"
      file_ref = library_group.new_reference(path)
      file_ref.name = "#{name}.framework"
      file_ref.source_tree = 'SOURCE_ROOT'
      build_phase.add_file_reference(file_ref)
    end
  end
end

# Framework追加済みか
def exist_framework?(build_phase, name)
  build_phase.files.each do |file|
    return true if file.file_ref.name == "#{name}.framework"
  end
  false
end

# 外部FrameworkをUnityのディレクトリからXcodeのディレクトリへコピー
def copy_library(name)
  from = File.expand_path("../../#{LIBRARY}/#{name}.framework", __FILE__)
  to = "#{ARGV[0]}/#{LIBRARY}/#{name}.framework"
  FileUtils.copy_entry(from, to)
end

project_path = ARGV[0] + "/#{PROJECT}.xcodeproj"
project = Xcodeproj::Project.new(project_path)

project.initialize_from_file

## 例
# require
add_frameworks(project, ["CoreMedia", "Security"])
# optional
add_frameworks(project, ["AdSupport"], true)
# 外部Framework
add_external_frameworks(project, ["Hoge"])

project.save