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) 20 21if(DEFINED OHOS_SDK_NATIVE_TOOLCHAIN_DEFINED) 22 return() 23endif() 24set(OHOS_SDK_NATIVE_TOOLCHAIN_DEFINED true) 25 26# Set OHOS_SDK_NATIVE 27get_filename_component(OHOS_SDK_NATIVE "${CMAKE_CURRENT_LIST_DIR}/../.." ABSOLUTE) 28file(TO_CMAKE_PATH "${OHOS_SDK_NATIVE}" OHOS_SDK_NATIVE) 29 30# Sdk native version 31file(STRINGS "${OHOS_SDK_NATIVE}/oh-uni-package.json" NATIVE_VER REGEX "\"version\":.*") 32string(REGEX REPLACE "\"version\":(.*)$" "\\1" SDK_NATIVE_VERSION "${NATIVE_VER}") 33string(STRIP "${SDK_NATIVE_VERSION}" SDK_NATIVE_VERSION) 34 35# Common default settings 36set(OHOS TRUE) 37set(CMAKE_SYSTEM_NAME OHOS) 38 39if(NOT DEFINED OHOS_PLATFORM_LEVEL) 40 set(OHOS_PLATFORM_LEVEL 1) 41endif() 42 43if(NOT DEFINED OHOS_TOOLCHAIN) 44 set(OHOS_TOOLCHAIN clang) 45endif() 46 47if(NOT DEFINED OHOS_STL) 48 set(OHOS_STL c++_shared) 49endif() 50 51if(NOT DEFINED OHOS_PIE) 52 set(OHOS_PIE TRUE) 53endif() 54 55if(NOT DEFINED OHOS_ARM_NEON) 56 set(OHOS_ARM_NEON thumb) 57endif() 58 59# set the ABI 60if(NOT DEFINED OHOS_ARCH) 61 set(OHOS_ARCH arm64-v8a) 62endif() 63 64# set the undefined symbols 65if(DEFINED OHOS_NO_UNDEFINED) 66 if(NOT DEFINED OHOS_ALLOW_UNDEFINED_SYMBOLS) 67 set(OHOS_ALLOW_UNDEFINED_SYMBOLS "${OHOS_NO_UNDEFINED}") 68 endif() 69endif() 70 71# set the ccache 72if(DEFINED SDK_NATIVE_CCACHE AND NOT DEFINED OHOS_CCACHE) 73 set(OHOS_CCACHE "${SDK_NATIVE_CCACHE}") 74endif() 75 76# set the sdk native platform 77include(${CMAKE_CURRENT_LIST_DIR}/sdk_native_platforms.cmake) 78if(NOT DEFINED OHOS_SDK_NATIVE_PLATFORM) 79 set(OHOS_SDK_NATIVE_PLATFORM "ohos-${SDK_NATIVE_MIN_PLATFORM_LEVEL}") 80endif() 81 82# set the sdk native platform level 83string(REPLACE "ohos-" "" OHOS_SDK_NATIVE_PLATFORM_LEVEL ${OHOS_SDK_NATIVE_PLATFORM}) 84 85# set find executable programs on the host system path 86set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) 87set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) 88set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) 89set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY) 90list(APPEND CMAKE_FIND_ROOT_PATH "${OHOS_SDK_NATIVE}") 91 92# set the arch abi 93set(CMAKE_OHOS_ARCH_ABI ${OHOS_ARCH}) 94 95# set arch diff property ... 96if(OHOS_ARCH STREQUAL arm64-v8a) 97 set(OHOS_TOOLCHAIN_NAME aarch64-linux-ohos) 98 set(OHOS_LLVM ${OHOS_TOOLCHAIN_NAME}) 99 set(CMAKE_SYSTEM_PROCESSOR aarch64) 100elseif(OHOS_ARCH STREQUAL armeabi-v7a) 101 set(OHOS_TOOLCHAIN_NAME arm-linux-ohos) 102 set(OHOS_LLVM ${OHOS_TOOLCHAIN_NAME}) 103 set(CMAKE_SYSTEM_PROCESSOR arm) 104elseif(OHOS_ARCH STREQUAL x86_64) 105 set(OHOS_TOOLCHAIN_NAME x86_64-linux-ohos) 106 set(OHOS_LLVM ${OHOS_TOOLCHAIN_NAME}) 107 set(CMAKE_SYSTEM_PROCESSOR x86_64) 108else() 109 message(FATAL_ERROR "unrecognized ${OHOS_ARCH}") 110endif() 111 112set(CMAKE_C_COMPILER_TARGET ${OHOS_LLVM}) 113set(CMAKE_CXX_COMPILER_TARGET ${OHOS_LLVM}) 114set(CMAKE_ASM_COMPILER_TARGET ${OHOS_LLVM}) 115 116# Export configurable variables for the try_compile() command. 117set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES 118 OHOS_TOOLCHAIN 119 OHOS_ARCH 120 OHOS_PLATFORM) 121 122# Set the common c flags 123set(OHOS_C_COMPILER_FLAGS) 124list(APPEND OHOS_C_COMPILER_FLAGS 125 -g 126 -fdata-sections 127 -ffunction-sections 128 -funwind-tables 129 -fstack-protector-strong 130 -no-canonical-prefixes 131 -fno-addrsig 132 -Wa,--noexecstack) 133if(OHOS_DISABLE_FORMAT_STRING_CHECKS) 134 list(APPEND OHOS_C_COMPILER_FLAGS -Wno-error=format-security) 135else() 136 list(APPEND OHOS_C_COMPILER_FLAGS -Wformat -Werror=format-security) 137endif() 138if (OHOS_ARCH STREQUAL armeabi-v7a) 139 list(APPEND OHOS_C_COMPILER_FLAGS -march=armv7a) 140endif() 141string(REPLACE ";" " " OHOS_C_COMPILER_FLAGS "${OHOS_C_COMPILER_FLAGS}") 142 143# set the common c++ flags 144set(OHOS_CXX_COMPILER_FLAGS) 145 146# set the debug variant flags 147set(OHOS_DEBUG_COMPILER_FLAGS) 148list(APPEND OHOS_DEBUG_COMPILER_FLAGS -O0 -fno-limit-debug-info) 149string(REPLACE ";" " " OHOS_DEBUG_COMPILER_FLAGS "${OHOS_DEBUG_COMPILER_FLAGS}") 150 151# set the release variant flags 152set(OHOS_RELEASE_COMPILER_FLAGS) 153list(APPEND OHOS_RELEASE_COMPILER_FLAGS -O2) 154list(APPEND OHOS_RELEASE_COMPILER_FLAGS -DNDEBUG) 155string(REPLACE ";" " " OHOS_RELEASE_COMPILER_FLAGS "${OHOS_RELEASE_COMPILER_FLAGS}") 156 157# set the common link flags 158set(OHOS_COMMON_LINKER_FLAGS) 159list(APPEND OHOS_COMMON_LINKER_FLAGS --rtlib=compiler-rt) 160list(APPEND OHOS_COMMON_LINKER_FLAGS -fuse-ld=lld) 161 162if(OHOS_STL STREQUAL c++_static) 163 list(APPEND OHOS_COMMON_LINKER_FLAGS "-static-libstdc++") 164elseif(OHOS_STL STREQUAL none) 165 list(APPEND OHOS_CXX_COMPILER_FLAGS "-nostdinc++") 166 list(APPEND OHOS_COMMON_LINKER_FLAGS "-nostdlib++") 167elseif(OHOS_STL STREQUAL c++_shared) 168else() 169 message(FATAL_ERROR "Unsupported STL configuration: ${OHOS_STL}.") 170endif() 171 172list(APPEND OHOS_COMMON_LINKER_FLAGS 173 -Wl,--build-id=sha1 174 -Wl,--warn-shared-textrel 175 -Wl,--fatal-warnings 176 -lunwind) 177if(NOT OHOS_ALLOW_UNDEFINED_SYMBOLS) 178 list(APPEND OHOS_COMMON_LINKER_FLAGS -Wl,--no-undefined) 179endif() 180list(APPEND OHOS_COMMON_LINKER_FLAGS -Qunused-arguments -Wl,-z,noexecstack) 181string(REPLACE ";" " " OHOS_COMMON_LINKER_FLAGS "${OHOS_COMMON_LINKER_FLAGS}") 182 183# set the executable link flags 184set(OHOS_EXE_LINKER_FLAGS) 185list(APPEND OHOS_EXE_LINKER_FLAGS -Wl,--gc-sections) 186string(REPLACE ";" " " OHOS_EXE_LINKER_FLAGS "${OHOS_EXE_LINKER_FLAGS}") 187 188# set the other flags 189set(CMAKE_C_STANDARD_LIBRARIES_INIT "-lm") 190set(CMAKE_CXX_STANDARD_LIBRARIES_INIT "-lm") 191set(CMAKE_POSITION_INDEPENDENT_CODE TRUE) 192 193# set the cmake global cflags 194set(CMAKE_C_FLAGS "" CACHE STRING "Flags for all build types.") 195set(CMAKE_C_FLAGS "${OHOS_C_COMPILER_FLAGS} ${CMAKE_C_FLAGS} -D__MUSL__") 196 197set(CMAKE_C_FLAGS_DEBUG "" CACHE STRING "Flags for debug variant builds.") 198set(CMAKE_C_FLAGS_DEBUG "${OHOS_DEBUG_COMPILER_FLAGS} ${CMAKE_C_FLAGS_DEBUG}") 199 200set(CMAKE_C_FLAGS_RELEASE "" CACHE STRING "Flags for release variant builds.") 201set(CMAKE_C_FLAGS_RELEASE "${OHOS_RELEASE_COMPILER_FLAGS} ${CMAKE_C_FLAGS_RELEASE}") 202 203# set the cmake global cppflags 204set(CMAKE_CXX_FLAGS "" CACHE STRING "Flags for all build types.") 205set(CMAKE_CXX_FLAGS "${OHOS_C_COMPILER_FLAGS} ${OHOS_CXX_COMPILER_FLAGS} ${CMAKE_CXX_FLAGS} -D__MUSL__") 206 207set(CMAKE_CXX_FLAGS_DEBUG "" CACHE STRING "Flags for debug variant builds.") 208set(CMAKE_CXX_FLAGS_DEBUG "${OHOS_DEBUG_COMPILER_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG}") 209 210set(CMAKE_CXX_FLAGS_RELEASE "" CACHE STRING "Flags for release variant builds.") 211set(CMAKE_CXX_FLAGS_RELEASE "${OHOS_RELEASE_COMPILER_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE}") 212 213# set the link flags 214set(CMAKE_SHARED_LINKER_FLAGS "" CACHE STRING "Linker flags to be used to create shared libraries.") 215set(CMAKE_SHARED_LINKER_FLAGS "${OHOS_COMMON_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}") 216 217set(CMAKE_MODULE_LINKER_FLAGS "" CACHE STRING "Linker flags to be used to create modules.") 218set(CMAKE_MODULE_LINKER_FLAGS "${OHOS_COMMON_LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}") 219 220set(CMAKE_EXE_LINKER_FLAGS "" CACHE STRING "Linker flags to be used to create executables.") 221set(CMAKE_EXE_LINKER_FLAGS "${OHOS_COMMON_LINKER_FLAGS} ${OHOS_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}") 222 223# set the executable suffix 224set(HOST_SYSTEM_EXE_SUFFIX) 225if(CMAKE_HOST_SYSTEM_NAME STREQUAL Windows) 226 set(HOST_SYSTEM_EXE_SUFFIX .exe) 227endif() 228 229# set the toolchain config. 230set(TOOLCHAIN_ROOT_PATH "${OHOS_SDK_NATIVE}/llvm") 231set(TOOLCHAIN_BIN_PATH "${OHOS_SDK_NATIVE}/llvm/bin") 232 233set(CMAKE_SYSROOT "${OHOS_SDK_NATIVE}/sysroot") 234set(CMAKE_LIBRARY_ARCHITECTURE "${OHOS_TOOLCHAIN_NAME}") 235list(APPEND CMAKE_SYSTEM_LIBRARY_PATH "/usr/lib/${OHOS_TOOLCHAIN_NAME}") 236set(CMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN "${TOOLCHAIN_ROOT_PATH}") 237set(CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN "${TOOLCHAIN_ROOT_PATH}") 238set(CMAKE_C_COMPILER "${TOOLCHAIN_BIN_PATH}/clang${HOST_SYSTEM_EXE_SUFFIX}") 239set(CMAKE_CXX_COMPILER "${TOOLCHAIN_BIN_PATH}/clang++${HOST_SYSTEM_EXE_SUFFIX}") 240 241set(OHOS_AR "${TOOLCHAIN_BIN_PATH}/llvm-ar${HOST_SYSTEM_EXE_SUFFIX}") 242set(OHOS_RANLIB "${TOOLCHAIN_BIN_PATH}/llvm-ranlib${HOST_SYSTEM_EXE_SUFFIX}") 243set(CMAKE_AR "${OHOS_AR}" CACHE FILEPATH "Archiver") 244set(CMAKE_RANLIB "${OHOS_RANLIB}" CACHE FILEPATH "Ranlib") 245