1# Copyright (c) 2023 Intel Corporation 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 15# Prevent double invocation. 16if (RISCV_TOOLCHAIN_INCLUDED) 17 return() 18endif() 19set(RISCV_TOOLCHAIN_INCLUDED TRUE) 20 21set(CMAKE_SYSTEM_NAME Linux) 22set(CMAKE_SYSTEM_VERSION 1) 23set(CMAKE_SYSTEM_PROCESSOR riscv) 24 25# User can use -DCMAKE_FIND_ROOT_PATH to specific toolchain path 26set(CMAKE_C_COMPILER ${CMAKE_FIND_ROOT_PATH}/bin/riscv64-unknown-linux-gnu-clang) 27set(CMAKE_CXX_COMPILER ${CMAKE_FIND_ROOT_PATH}/bin/riscv64-unknown-linux-gnu-clang++) 28set(CMAKE_LINKER ${CMAKE_FIND_ROOT_PATH}/bin/riscv64-unknown-linux-gnu-ld) 29 30set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) 31set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) 32 33# Most linux on riscv64 support rv64imafd_zba_zbb extensions 34set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=rv64imafd_zba_zbb -mabi=lp64d " CACHE INTERNAL "") 35