1*77c1e3ccSAndroid Build Coastguard Worker# 2*77c1e3ccSAndroid Build Coastguard Worker# Copyright (c) 2017, Alliance for Open Media. All rights reserved. 3*77c1e3ccSAndroid Build Coastguard Worker# 4*77c1e3ccSAndroid Build Coastguard Worker# This source code is subject to the terms of the BSD 2 Clause License and the 5*77c1e3ccSAndroid Build Coastguard Worker# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was 6*77c1e3ccSAndroid Build Coastguard Worker# not distributed with this source code in the LICENSE file, you can obtain it 7*77c1e3ccSAndroid Build Coastguard Worker# at www.aomedia.org/license/software. If the Alliance for Open Media Patent 8*77c1e3ccSAndroid Build Coastguard Worker# License 1.0 was not distributed with this source code in the PATENTS file, you 9*77c1e3ccSAndroid Build Coastguard Worker# can obtain it at www.aomedia.org/license/patent. 10*77c1e3ccSAndroid Build Coastguard Worker# 11*77c1e3ccSAndroid Build Coastguard Workerif(AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_GCC_CMAKE_) 12*77c1e3ccSAndroid Build Coastguard Worker return() 13*77c1e3ccSAndroid Build Coastguard Workerendif() # AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_GCC_CMAKE_ 14*77c1e3ccSAndroid Build Coastguard Workerset(AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_GCC_CMAKE_ 1) 15*77c1e3ccSAndroid Build Coastguard Worker 16*77c1e3ccSAndroid Build Coastguard Workerset(CMAKE_SYSTEM_NAME "Linux") 17*77c1e3ccSAndroid Build Coastguard Worker 18*77c1e3ccSAndroid Build Coastguard Workerif("${CROSS}" STREQUAL "") 19*77c1e3ccSAndroid Build Coastguard Worker 20*77c1e3ccSAndroid Build Coastguard Worker # Default the cross compiler prefix to one used by Debian and other package 21*77c1e3ccSAndroid Build Coastguard Worker # management systems. 22*77c1e3ccSAndroid Build Coastguard Worker set(CROSS aarch64-linux-gnu-) 23*77c1e3ccSAndroid Build Coastguard Workerendif() 24*77c1e3ccSAndroid Build Coastguard Worker 25*77c1e3ccSAndroid Build Coastguard Workerif(NOT CMAKE_C_COMPILER) 26*77c1e3ccSAndroid Build Coastguard Worker set(CMAKE_C_COMPILER ${CROSS}gcc) 27*77c1e3ccSAndroid Build Coastguard Workerendif() 28*77c1e3ccSAndroid Build Coastguard Workerif(NOT CMAKE_CXX_COMPILER) 29*77c1e3ccSAndroid Build Coastguard Worker set(CMAKE_CXX_COMPILER ${CROSS}g++) 30*77c1e3ccSAndroid Build Coastguard Workerendif() 31*77c1e3ccSAndroid Build Coastguard Workerif(NOT CMAKE_ASM_COMPILER) 32*77c1e3ccSAndroid Build Coastguard Worker set(CMAKE_ASM_COMPILER ${CROSS}as) 33*77c1e3ccSAndroid Build Coastguard Workerendif() 34*77c1e3ccSAndroid Build Coastguard Workerset(CMAKE_C_FLAGS_INIT "-march=armv8-a") 35*77c1e3ccSAndroid Build Coastguard Workerset(CMAKE_CXX_FLAGS_INIT "-march=armv8-a") 36*77c1e3ccSAndroid Build Coastguard Workerset(AOM_AS_FLAGS "-march=armv8-a") 37*77c1e3ccSAndroid Build Coastguard Workerset(CMAKE_SYSTEM_PROCESSOR "arm64") 38*77c1e3ccSAndroid Build Coastguard Worker 39*77c1e3ccSAndroid Build Coastguard Worker# No intrinsics flag required for arm64-linux-gcc. 40*77c1e3ccSAndroid Build Coastguard Workerset(AOM_NEON_INTRIN_FLAG "") 41