1# 2# Copyright (c) 2019, Alliance for Open Media. All rights reserved. 3# 4# This source code is subject to the terms of the BSD 2 Clause License and the 5# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was 6# not distributed with this source code in the LICENSE file, you can obtain it 7# at www.aomedia.org/license/software. If the Alliance for Open Media Patent 8# License 1.0 was not distributed with this source code in the PATENTS file, you 9# can obtain it at www.aomedia.org/license/patent. 10# 11if(AOM_BUILD_CMAKE_TOOLCHAINS_ANDROID_CMAKE_) 12 return() 13endif() # AOM_BUILD_CMAKE_TOOLCHAINS_ANDROID_CMAKE_ 14set(AOM_BUILD_CMAKE_TOOLCHAINS_ANDROID_CMAKE_ 1) 15 16if(NOT ANDROID_PLATFORM) 17 set(ANDROID_PLATFORM android-24) 18endif() 19 20# Choose target architecture with: 21# 22# -DANDROID_ABI={armeabi-v7a,armeabi-v7a with NEON,arm64-v8a,x86,x86_64} 23if(NOT ANDROID_ABI) 24 set(ANDROID_ABI arm64-v8a) 25endif() 26 27# Toolchain files don't have access to cached variables: 28# https://gitlab.kitware.com/cmake/cmake/issues/16170. Set an intermediate 29# environment variable when loaded the first time. 30if(AOM_ANDROID_NDK_PATH) 31 set(ENV{_AOM_ANDROID_NDK_PATH} "${AOM_ANDROID_NDK_PATH}") 32else() 33 set(AOM_ANDROID_NDK_PATH "$ENV{_AOM_ANDROID_NDK_PATH}") 34endif() 35 36if("${AOM_ANDROID_NDK_PATH}" STREQUAL "") 37 message(FATAL_ERROR "AOM_ANDROID_NDK_PATH not set.") 38 return() 39endif() 40 41include("${AOM_ANDROID_NDK_PATH}/build/cmake/android.toolchain.cmake") 42 43if(ANDROID_ABI MATCHES "^armeabi") 44 set(AOM_NEON_INTRIN_FLAG "-mfpu=neon") 45endif() 46 47if(ANDROID_ABI MATCHES "^arm") 48 set(CMAKE_ASM_COMPILER as) 49elseif(ANDROID_ABI MATCHES "^x86") 50 set(CMAKE_ASM_NASM_COMPILER yasm) 51endif() 52 53set(CMAKE_SYSTEM_NAME "Android") 54