129 lines
3.1 KiB
Ruby
129 lines
3.1 KiB
Ruby
# frozen_string_literal: true
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require "os/mac/version"
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module OS
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module Mac
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class SDK
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attr_reader :version, :path, :source
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def initialize(version, path, source)
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@version = OS::Mac::Version.new version
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@path = Pathname.new(path)
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@source = source
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end
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end
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class BaseSDKLocator
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class NoSDKError < StandardError; end
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def sdk_for(v)
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path = sdk_paths[v]
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raise NoSDKError if path.nil?
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SDK.new v, path, source
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end
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def latest_sdk
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return if sdk_paths.empty?
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v, path = sdk_paths.max { |a, b| OS::Mac::Version.new(a[0]) <=> OS::Mac::Version.new(b[0]) }
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SDK.new v, path, source
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end
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def all_sdks
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sdk_paths.map { |v, p| SDK.new v, p, source }
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end
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def sdk_if_applicable(v = nil)
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sdk = begin
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if v.nil?
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sdk_for OS::Mac.version
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else
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sdk_for v
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end
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rescue BaseSDKLocator::NoSDKError
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latest_sdk
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end
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# Only return an SDK older than the OS version if it was specifically requested
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return unless v || (!sdk.nil? && sdk.version >= OS::Mac.version)
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sdk
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end
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def source
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nil
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end
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private
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def sdk_prefix
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""
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end
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def sdk_paths
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@sdk_paths ||= begin
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# Bail out if there is no SDK prefix at all
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if !File.directory? sdk_prefix
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{}
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else
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paths = {}
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Dir[File.join(sdk_prefix, "MacOSX*.sdk")].each do |sdk_path|
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version = sdk_path[/MacOSX(\d+\.\d+)u?\.sdk$/, 1]
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paths[version] = sdk_path unless version.nil?
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end
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paths
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end
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end
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end
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end
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class XcodeSDKLocator < BaseSDKLocator
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def source
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:xcode
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end
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private
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def sdk_prefix
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@sdk_prefix ||= begin
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# Xcode.prefix is pretty smart, so let's look inside to find the sdk
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sdk_prefix = "#{Xcode.prefix}/Platforms/MacOSX.platform/Developer/SDKs"
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# Finally query Xcode itself (this is slow, so check it last)
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sdk_platform_path = Utils.popen_read(DevelopmentTools.locate("xcrun"), "--show-sdk-platform-path").chomp
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sdk_prefix = File.join(sdk_platform_path, "Developer", "SDKs") unless File.directory? sdk_prefix
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sdk_prefix
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end
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end
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end
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class CLTSDKLocator < BaseSDKLocator
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def source
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:clt
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end
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private
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# While CLT SDKs existed prior to Xcode 10, those packages also
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# installed a traditional Unix-style header layout and we prefer
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# using that
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# As of Xcode 10, the Unix-style headers are installed via a
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# separate package, so we can't rely on their being present.
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# This will only look up SDKs on Xcode 10 or newer, and still
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# return nil SDKs for Xcode 9 and older.
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def sdk_prefix
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@sdk_prefix ||= begin
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if !CLT.provides_sdk?
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""
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else
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"#{CLT::PKG_PATH}/SDKs"
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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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end
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