1# 2# Copyright (c) 2017, 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_ARMV7_LINUX_GCC_CMAKE_) 12 return() 13endif() # AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_LINUX_GCC_CMAKE_ 14set(AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_LINUX_GCC_CMAKE_ 1) 15 16set(CMAKE_SYSTEM_NAME "Linux") 17 18if("${CROSS}" STREQUAL "") 19 20 # Default the cross compiler prefix to something known to work. 21 set(CROSS arm-linux-gnueabihf-) 22endif() 23 24if(NOT ${CROSS} MATCHES hf-$) 25 set(AOM_EXTRA_TOOLCHAIN_FLAGS "-mfloat-abi=softfp") 26endif() 27 28if(NOT CMAKE_C_COMPILER) 29 set(CMAKE_C_COMPILER ${CROSS}gcc) 30endif() 31if(NOT CMAKE_CXX_COMPILER) 32 set(CMAKE_CXX_COMPILER ${CROSS}g++) 33endif() 34if(NOT AS_EXECUTABLE) 35 set(AS_EXECUTABLE ${CROSS}as) 36endif() 37set(CMAKE_C_FLAGS_INIT "-march=armv7-a -mfpu=vfpv3 \ 38 ${AOM_EXTRA_TOOLCHAIN_FLAGS}") 39set(CMAKE_CXX_FLAGS_INIT "-march=armv7-a -mfpu=vfpv3 \ 40 ${AOM_EXTRA_TOOLCHAIN_FLAGS}") 41set(AOM_AS_FLAGS --defsym ARCHITECTURE=7 -march=armv7-a -mfpu=neon 42 ${AOM_EXTRA_TOOLCHAIN_FLAGS}) 43set(CMAKE_SYSTEM_PROCESSOR "armv7") 44 45set(AOM_NEON_INTRIN_FLAG "-mfpu=neon ${AOM_EXTRA_TOOLCHAIN_FLAGS}") 46 47# No runtime cpu detect for armv7-linux-gcc. 48set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE STRING "") 49