1# Copyright 2015 The Chromium Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5# The args declared in this file should be referenced by components outside of
6# //chromecast. Args needed only in //chromecast should be declared in
7# //chromecast/chromecast.gni.
8declare_args() {
9  # Set this true for a Chromecast build. Chromecast builds are supported on
10  # Linux and Android.
11  is_chromecast = false
12
13  # Set this true for an audio-only Chromecast build.
14  is_cast_audio_only = false
15}
16
17# Note(slan): This arg depends on the value of is_chromecast, and thus must be
18# declared in a separate block. These blocks can be combined when/if
19# crbug.com/542846 is resolved.
20declare_args() {
21  # True if Chromecast build is targeted for linux desktop. This type of build
22  # is useful for testing and development, but currently supports only a subset
23  # of Cast functionality. Though this defaults to true for x86 Linux devices,
24  # this should be overriden manually for an embedded x86 build.
25  # TODO(slan): Remove instances of this when x86 is a fully supported platform.
26  is_cast_desktop_build = is_chromecast && target_os == "linux" &&
27                          (target_cpu == "x86" || target_cpu == "x64")
28}
29
30# Assert that Chromecast is being built for a supported platform.
31assert(is_linux || is_android || !is_chromecast,
32       "Chromecast builds are not supported on $target_os")
33
34# Assert that is_cast_audio_only and is_cast_desktop_build are both false on a
35# non-Chromecast build.
36assert(is_chromecast || (!is_cast_audio_only && !is_cast_desktop_build))
37