1# Copyright (c) 2021 Huawei Device Co., Ltd. 2# Licensed under the Apache License, Version 2.0 (the "License"); 3# you may not use this file except in compliance with the License. 4# You may obtain a copy of the License at 5# 6# http://www.apache.org/licenses/LICENSE-2.0 7# 8# Unless required by applicable law or agreed to in writing, software 9# distributed under the License is distributed on an "AS IS" BASIS, 10# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11# See the License for the specific language governing permissions and 12# limitations under the License. 13 14# Description: The configuration of toolchain file supplied to cmake, which specifies 15# locations for compilers and toolchain utilities, and other target 16# platform and compiler related information. 17 18cmake_minimum_required(VERSION 3.6.0) 19set(CMAKE_SYSTEM_VERSION 1) 20set(CMAKE_ASM_COMPILER_VERSION 15.0.4) 21 22if(DEFINED OHOS_SDK_NATIVE_TOOLCHAIN_DEFINED) 23 return() 24endif() 25set(OHOS_SDK_NATIVE_TOOLCHAIN_DEFINED true) 26 27# Set OHOS_SDK_NATIVE 28get_filename_component(OHOS_SDK_NATIVE "${CMAKE_CURRENT_LIST_DIR}/../.." ABSOLUTE) 29file(TO_CMAKE_PATH "${OHOS_SDK_NATIVE}" OHOS_SDK_NATIVE) 30 31# Sdk native version 32file(STRINGS "${OHOS_SDK_NATIVE}/oh-uni-package.json" NATIVE_VER REGEX "\"version\":.*") 33string(REGEX REPLACE "\"version\":(.*)$" "\\1" SDK_NATIVE_VERSION "${NATIVE_VER}") 34string(STRIP "${SDK_NATIVE_VERSION}" SDK_NATIVE_VERSION) 35 36# Common default settings 37set(OHOS TRUE) 38set(CMAKE_SYSTEM_NAME OHOS) 39 40if(NOT DEFINED OHOS_PLATFORM_LEVEL) 41 set(OHOS_PLATFORM_LEVEL 1) 42endif() 43 44if(NOT DEFINED OHOS_TOOLCHAIN) 45 set(OHOS_TOOLCHAIN clang) 46endif() 47 48if(NOT DEFINED OHOS_STL) 49 set(OHOS_STL c++_shared) 50endif() 51 52if(NOT DEFINED OHOS_PIE) 53 set(OHOS_PIE TRUE) 54endif() 55 56if(NOT DEFINED OHOS_ARM_NEON) 57 set(OHOS_ARM_NEON thumb) 58endif() 59 60# set the ABI 61if(NOT DEFINED OHOS_ARCH) 62 set(OHOS_ARCH arm64-v8a) 63endif() 64 65# set the undefined symbols 66if(DEFINED OHOS_NO_UNDEFINED) 67 if(NOT DEFINED OHOS_ALLOW_UNDEFINED_SYMBOLS) 68 set(OHOS_ALLOW_UNDEFINED_SYMBOLS "${OHOS_NO_UNDEFINED}") 69 endif() 70endif() 71 72# set the ccache 73if(DEFINED SDK_NATIVE_CCACHE AND NOT DEFINED OHOS_CCACHE) 74 set(OHOS_CCACHE "${SDK_NATIVE_CCACHE}") 75endif() 76 77# set the sdk native platform 78include(${CMAKE_CURRENT_LIST_DIR}/sdk_native_platforms.cmake) 79if(NOT DEFINED OHOS_SDK_NATIVE_PLATFORM) 80 set(OHOS_SDK_NATIVE_PLATFORM "ohos-${SDK_NATIVE_MIN_PLATFORM_LEVEL}") 81endif() 82 83# set the sdk native platform level 84string(REPLACE "ohos-" "" OHOS_SDK_NATIVE_PLATFORM_LEVEL ${OHOS_SDK_NATIVE_PLATFORM}) 85 86# set find executable programs on the host system path 87set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) 88set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) 89set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) 90set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY) 91list(APPEND CMAKE_FIND_ROOT_PATH "${OHOS_SDK_NATIVE}") 92 93# set the arch abi 94set(CMAKE_OHOS_ARCH_ABI ${OHOS_ARCH}) 95 96# set arch diff property ... 97if(OHOS_ARCH STREQUAL arm64-v8a) 98 set(OHOS_TOOLCHAIN_NAME aarch64-linux-ohos) 99 set(OHOS_LLVM ${OHOS_TOOLCHAIN_NAME}) 100 set(CMAKE_SYSTEM_PROCESSOR aarch64) 101elseif(OHOS_ARCH STREQUAL armeabi-v7a) 102 set(OHOS_TOOLCHAIN_NAME arm-linux-ohos) 103 set(OHOS_LLVM ${OHOS_TOOLCHAIN_NAME}) 104 set(CMAKE_SYSTEM_PROCESSOR arm) 105elseif(OHOS_ARCH STREQUAL x86_64) 106 set(OHOS_TOOLCHAIN_NAME x86_64-linux-ohos) 107 set(OHOS_LLVM ${OHOS_TOOLCHAIN_NAME}) 108 set(CMAKE_SYSTEM_PROCESSOR x86_64) 109else() 110 message(FATAL_ERROR "unrecognized ${OHOS_ARCH}") 111endif() 112 113set(CMAKE_C_COMPILER_TARGET ${OHOS_LLVM}) 114set(CMAKE_CXX_COMPILER_TARGET ${OHOS_LLVM}) 115set(CMAKE_ASM_COMPILER_TARGET ${OHOS_LLVM}) 116 117# Export configurable variables for the try_compile() command. 118set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES 119 OHOS_TOOLCHAIN 120 OHOS_ARCH 121 OHOS_PLATFORM) 122 123# Set the common c flags 124set(OHOS_C_COMPILER_FLAGS) 125list(APPEND OHOS_C_COMPILER_FLAGS 126 -fdata-sections 127 -ffunction-sections 128 -funwind-tables 129 -fstack-protector-strong 130 -no-canonical-prefixes 131 -fno-addrsig 132 -Wa,--noexecstack) 133if(OHOS_DISABLE_FORMAT_STRING_CHECKS) 134 list(APPEND OHOS_C_COMPILER_FLAGS -Wno-error=format-security) 135else() 136 list(APPEND OHOS_C_COMPILER_FLAGS -Wformat -Werror=format-security) 137endif() 138if (OHOS_ARCH STREQUAL armeabi-v7a) 139 list(APPEND OHOS_C_COMPILER_FLAGS -march=armv7a) 140endif() 141if (CMAKE_BUILD_TYPE STREQUAL normal) 142 list(APPEND OHOS_C_COMPILER_FLAGS -g) 143endif() 144if(OHOS_ENABLE_ASAN STREQUAL ON) 145 list(APPEND OHOS_C_COMPILER_FLAGS 146 -shared-libasan 147 -fsanitize=address 148 -fno-omit-frame-pointer 149 -fsanitize-recover=address) 150 if(DEFINED OHOS_ASAN_BLACKLIST) 151 list(APPEND OHOS_C_COMPILER_FLAGS -fsanitize-blacklist="${OHOS_ASAN_BLACKLIST}") 152 endif() 153endif() 154string(REPLACE ";" " " OHOS_C_COMPILER_FLAGS "${OHOS_C_COMPILER_FLAGS}") 155 156# set the common c++ flags 157set(OHOS_CXX_COMPILER_FLAGS) 158 159# set the common asm flags 160set(OHOS_ASM_COMPILER_FLAGS "${OHOS_C_COMPILER_FLAGS}") 161 162# set the debug variant flags 163set(OHOS_DEBUG_COMPILER_FLAGS) 164list(APPEND OHOS_DEBUG_COMPILER_FLAGS -O0 -g -fno-limit-debug-info) 165string(REPLACE ";" " " OHOS_DEBUG_COMPILER_FLAGS "${OHOS_DEBUG_COMPILER_FLAGS}") 166 167# set the release variant flags 168set(OHOS_RELEASE_COMPILER_FLAGS) 169list(APPEND OHOS_RELEASE_COMPILER_FLAGS -O2) 170list(APPEND OHOS_RELEASE_COMPILER_FLAGS -DNDEBUG) 171string(REPLACE ";" " " OHOS_RELEASE_COMPILER_FLAGS "${OHOS_RELEASE_COMPILER_FLAGS}") 172 173# set the common link flags 174set(OHOS_COMMON_LINKER_FLAGS) 175list(APPEND OHOS_COMMON_LINKER_FLAGS --rtlib=compiler-rt) 176list(APPEND OHOS_COMMON_LINKER_FLAGS -fuse-ld=lld) 177 178if(OHOS_STL STREQUAL c++_static) 179 list(APPEND OHOS_COMMON_LINKER_FLAGS "-static-libstdc++") 180elseif(OHOS_STL STREQUAL none) 181 list(APPEND OHOS_CXX_COMPILER_FLAGS "-nostdinc++") 182 list(APPEND OHOS_COMMON_LINKER_FLAGS "-nostdlib++") 183elseif(OHOS_STL STREQUAL c++_shared) 184else() 185 message(FATAL_ERROR "Unsupported STL configuration: ${OHOS_STL}.") 186endif() 187 188list(APPEND OHOS_COMMON_LINKER_FLAGS 189 -Wl,--build-id=sha1 190 -Wl,--warn-shared-textrel 191 -Wl,--fatal-warnings 192 -lunwind) 193if(NOT OHOS_ALLOW_UNDEFINED_SYMBOLS) 194 list(APPEND OHOS_COMMON_LINKER_FLAGS -Wl,--no-undefined) 195endif() 196list(APPEND OHOS_COMMON_LINKER_FLAGS -Qunused-arguments -Wl,-z,noexecstack) 197string(REPLACE ";" " " OHOS_COMMON_LINKER_FLAGS "${OHOS_COMMON_LINKER_FLAGS}") 198 199# set the executable link flags 200set(OHOS_EXE_LINKER_FLAGS) 201list(APPEND OHOS_EXE_LINKER_FLAGS -Wl,--gc-sections) 202string(REPLACE ";" " " OHOS_EXE_LINKER_FLAGS "${OHOS_EXE_LINKER_FLAGS}") 203 204# set the other flags 205set(CMAKE_C_STANDARD_LIBRARIES_INIT "-lm") 206set(CMAKE_CXX_STANDARD_LIBRARIES_INIT "-lm") 207set(CMAKE_POSITION_INDEPENDENT_CODE TRUE) 208 209# set the cmake global cflags 210set(CMAKE_C_FLAGS "" CACHE STRING "Flags for all build types.") 211set(CMAKE_C_FLAGS "${OHOS_C_COMPILER_FLAGS} ${CMAKE_C_FLAGS} -D__MUSL__") 212 213set(CMAKE_C_FLAGS_DEBUG "" CACHE STRING "Flags for debug variant builds.") 214set(CMAKE_C_FLAGS_DEBUG "${OHOS_DEBUG_COMPILER_FLAGS} ${CMAKE_C_FLAGS_DEBUG}") 215 216set(CMAKE_C_FLAGS_RELEASE "" CACHE STRING "Flags for release variant builds.") 217set(CMAKE_C_FLAGS_RELEASE "${OHOS_RELEASE_COMPILER_FLAGS} ${CMAKE_C_FLAGS_RELEASE}") 218 219# set the cmake global cppflags 220set(CMAKE_CXX_FLAGS "" CACHE STRING "Flags for all build types.") 221set(CMAKE_CXX_FLAGS "${OHOS_C_COMPILER_FLAGS} ${OHOS_CXX_COMPILER_FLAGS} ${CMAKE_CXX_FLAGS} -D__MUSL__") 222 223set(CMAKE_CXX_FLAGS_DEBUG "" CACHE STRING "Flags for debug variant builds.") 224set(CMAKE_CXX_FLAGS_DEBUG "${OHOS_DEBUG_COMPILER_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG}") 225 226set(CMAKE_CXX_FLAGS_RELEASE "" CACHE STRING "Flags for release variant builds.") 227set(CMAKE_CXX_FLAGS_RELEASE "${OHOS_RELEASE_COMPILER_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE}") 228 229# set the cmake global asmflags 230set(CMAKE_ASM_FLAGS "" CACHE STRING "Flags for all build types.") 231set(CMAKE_ASM_FLAGS "${OHOS_ASM_COMPILER_FLAGS} ${CMAKE_ASM_FLAGS} -D__MUSL__") 232 233set(CMAKE_ASM_FLAGS_DEBUG "" CACHE STRING "Flags for debug variant builds.") 234set(CMAKE_ASM_FLAGS_DEBUG "${OHOS_DEBUG_COMPILER_FLAGS} ${CMAKE_ASM_FLAGS_DEBUG}") 235 236set(CMAKE_ASM_FLAGS_RELEASE "" CACHE STRING "Flags for release variant builds.") 237set(CMAKE_ASM_FLAGS_RELEASE "${OHOS_RELEASE_COMPILER_FLAGS} ${CMAKE_ASM_FLAGS_RELEASE}") 238 239# set the link flags 240set(CMAKE_SHARED_LINKER_FLAGS "" CACHE STRING "Linker flags to be used to create shared libraries.") 241set(CMAKE_SHARED_LINKER_FLAGS "${OHOS_COMMON_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}") 242 243set(CMAKE_MODULE_LINKER_FLAGS "" CACHE STRING "Linker flags to be used to create modules.") 244set(CMAKE_MODULE_LINKER_FLAGS "${OHOS_COMMON_LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}") 245 246set(CMAKE_EXE_LINKER_FLAGS "" CACHE STRING "Linker flags to be used to create executables.") 247set(CMAKE_EXE_LINKER_FLAGS "${OHOS_COMMON_LINKER_FLAGS} ${OHOS_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}") 248 249# set the executable suffix 250set(HOST_SYSTEM_EXE_SUFFIX) 251if(CMAKE_HOST_SYSTEM_NAME STREQUAL Windows) 252 set(HOST_SYSTEM_EXE_SUFFIX .exe) 253endif() 254 255# set the toolchain config. 256set(TOOLCHAIN_ROOT_PATH "${OHOS_SDK_NATIVE}/llvm") 257set(TOOLCHAIN_BIN_PATH "${OHOS_SDK_NATIVE}/llvm/bin") 258 259set(CMAKE_SYSROOT "${OHOS_SDK_NATIVE}/sysroot") 260set(CMAKE_LIBRARY_ARCHITECTURE "${OHOS_TOOLCHAIN_NAME}") 261list(APPEND CMAKE_SYSTEM_LIBRARY_PATH "/usr/lib/${OHOS_TOOLCHAIN_NAME}") 262set(CMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN "${TOOLCHAIN_ROOT_PATH}") 263set(CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN "${TOOLCHAIN_ROOT_PATH}") 264set(CMAKE_ASM_COMPILER_EXTERNAL_TOOLCHAIN "${TOOLCHAIN_ROOT_PATH}") 265set(CMAKE_C_COMPILER "${TOOLCHAIN_BIN_PATH}/clang${HOST_SYSTEM_EXE_SUFFIX}") 266set(CMAKE_CXX_COMPILER "${TOOLCHAIN_BIN_PATH}/clang++${HOST_SYSTEM_EXE_SUFFIX}") 267 268set(OHOS_AR "${TOOLCHAIN_BIN_PATH}/llvm-ar${HOST_SYSTEM_EXE_SUFFIX}") 269set(OHOS_RANLIB "${TOOLCHAIN_BIN_PATH}/llvm-ranlib${HOST_SYSTEM_EXE_SUFFIX}") 270set(CMAKE_AR "${OHOS_AR}" CACHE FILEPATH "Archiver") 271set(CMAKE_RANLIB "${OHOS_RANLIB}" CACHE FILEPATH "Ranlib") 272