| ## |
| ## Copyright (c) 2017, Alliance for Open Media. All rights reserved |
| ## |
| ## This source code is subject to the terms of the BSD 2 Clause License and |
| ## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| ## was not distributed with this source code in the LICENSE file, you can |
| ## obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| ## Media Patent License 1.0 was not distributed with this source code in the |
| ## PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| ## |
| if (NOT AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_GCC_CMAKE_) |
| set(AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_GCC_CMAKE_ 1) |
| |
| set(CMAKE_SYSTEM_NAME "Linux") |
| |
| if ("${CROSS}" STREQUAL "") |
| # Default the cross compiler prefix to something known to work. |
| set(CROSS aarch64-linux-gnu-) |
| endif () |
| |
| set(CMAKE_C_COMPILER ${CROSS}gcc) |
| set(CMAKE_CXX_COMPILER ${CROSS}g++) |
| set(AS_EXECUTABLE ${CROSS}as) |
| set(CMAKE_C_COMPILER_ARG1 "-march=armv8-a") |
| set(CMAKE_CXX_COMPILER_ARG1 "-march=armv8-a") |
| set(AOM_AS_FLAGS "-march=armv8-a") |
| set(CMAKE_SYSTEM_PROCESSOR "arm64") |
| |
| # No intrinsics flag required for arm64-linux-gcc. |
| set(AOM_NEON_INTRIN_FLAG "") |
| |
| # No runtime cpu detect for arm64-linux-gcc. |
| set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE BOOL "") |
| |
| endif () # AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_GCC_CMAKE_ |