1# Copyright (C) 2017 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15declare_args() {
16  android_api_level = 21
17  android_ndk_root = rebase_path("//buildtools/ndk")
18  _android_toolchain_version = "4.9"
19
20  if (host_os == "linux") {
21    android_host = "linux-x86_64"
22  } else if (host_os == "mac") {
23    android_host = "darwin-x86_64"
24  } else {
25    android_host = "UNSUPPORTED_ON_WINDOWS"
26  }
27}
28
29declare_args() {
30  android_llvm_dir = "$android_ndk_root/toolchains/llvm/prebuilt/$android_host"
31  android_clangrt_dir = "$android_llvm_dir/lib64/clang/9.0.9/lib/linux"
32  android_compile_sysroot = "$android_ndk_root/sysroot/usr/include"
33
34  if (current_cpu == "x86") {
35    android_abi_target = "i686-linux-android"
36    android_compile_sysroot_subdir = "i686-linux-android"
37    android_link_sysroot_subdir =
38        "platforms/android-${android_api_level}/arch-x86"
39    android_prebuilt_arch = "android-x86"
40    android_toolchain_root = "$android_ndk_root/toolchains/x86-${_android_toolchain_version}/prebuilt/$android_host"
41    android_llvm_arch = "i686"
42  } else if (current_cpu == "arm") {
43    android_abi_target = "arm-linux-androideabi"
44    android_compile_sysroot_subdir = "arm-linux-androideabi"
45    android_link_sysroot_subdir =
46        "platforms/android-${android_api_level}/arch-arm"
47    android_prebuilt_arch = "android-arm"
48    android_toolchain_root = "$android_ndk_root/toolchains/arm-linux-androideabi-${_android_toolchain_version}/prebuilt/$android_host"
49    android_llvm_arch = "arm"
50  } else if (current_cpu == "x64") {
51    android_abi_target = "x86_64-linux-android"
52    android_compile_sysroot_subdir = "x86_64-linux-android"
53    android_link_sysroot_subdir =
54        "platforms/android-${android_api_level}/arch-x86_64"
55    android_prebuilt_arch = "android-x86_64"
56    android_toolchain_root = "$android_ndk_root/toolchains/x86_64-${_android_toolchain_version}/prebuilt/$android_host"
57    android_llvm_arch = "x86_64"
58  } else if (current_cpu == "arm64") {
59    android_abi_target = "aarch64-linux-android"
60    android_compile_sysroot_subdir = "aarch64-linux-android"
61    android_link_sysroot_subdir =
62        "platforms/android-${android_api_level}/arch-arm64"
63    android_prebuilt_arch = "android-arm64"
64    android_toolchain_root = "$android_ndk_root/toolchains/aarch64-linux-android-${_android_toolchain_version}/prebuilt/$android_host"
65    android_llvm_arch = "aarch64"
66  } else {
67    assert(false, "Need android libgcc support for this arch.")
68  }
69
70  if (current_cpu == "x86") {
71    android_app_abi = "x86"
72  } else if (current_cpu == "arm") {
73    android_app_abi = "armeabi-v7a"
74  } else if (current_cpu == "x64") {
75    android_app_abi = "x86_64"
76  } else if (current_cpu == "arm64") {
77    android_app_abi = "arm64-v8a"
78  } else {
79    assert(false, "Unknown ABI: " + current_cpu)
80  }
81}
82