1# CrossWinToARMLinux.cmake 2# 3# Set up a CMakeCache for a cross Windows to ARM Linux toolchain build. 4# 5# This cache file can be used to build a cross toolchain to ARM Linux 6# on Windows platform. 7# 8# NOTE: the build requires a development ARM Linux root filesystem to use 9# proper target platform depended library and header files. 10# 11# Configure: 12# cmake -G Ninja ^ 13# -DTOOLCHAIN_TARGET_TRIPLE=armv7-unknown-linux-gnueabihf ^ 14# -DCMAKE_INSTALL_PREFIX=../install ^ 15# -DDEFAULT_SYSROOT=<path-to-develop-arm-linux-root-fs> ^ 16# -DLLVM_AR=<llvm_obj_root>/bin/llvm-ar[.exe] ^ 17# -DCMAKE_CXX_FLAGS="-D__OPTIMIZE__" ^ 18# -DREMOTE_TEST_HOST="<hostname>" ^ 19# -DREMOTE_TEST_USER="<ssh_user_name>" ^ 20# -C<llvm_src_root>/llvm-project/clang/cmake/caches/CrossWinToARMLinux.cmake ^ 21# <llvm_src_root>/llvm-project/llvm 22# Build: 23# cmake --build . --target install 24# Tests: 25# cmake --build . --target check-llvm 26# cmake --build . --target check-clang 27# cmake --build . --target check-lld 28# cmake --build . --target check-compiler-rt-<TOOLCHAIN_TARGET_TRIPLE> 29# cmake --build . --target check-cxxabi-<TOOLCHAIN_TARGET_TRIPLE> 30# cmake --build . --target check-unwind-<TOOLCHAIN_TARGET_TRIPLE> 31# cmake --build . --target check-cxx-<TOOLCHAIN_TARGET_TRIPLE> 32 33# LLVM_PROJECT_DIR is the path to the llvm-project directory. 34# The right way to compute it would probably be to use "${CMAKE_SOURCE_DIR}/../", 35# but CMAKE_SOURCE_DIR is set to the wrong value on earlier CMake versions 36# that we still need to support (for instance, 3.10.2). 37get_filename_component(LLVM_PROJECT_DIR 38 "${CMAKE_CURRENT_LIST_DIR}/../../../" 39 ABSOLUTE) 40 41if (NOT DEFINED DEFAULT_SYSROOT) 42 message(WARNING "DEFAULT_SYSROOT must be specified for the cross toolchain build.") 43endif() 44 45if (NOT DEFINED LLVM_TARGETS_TO_BUILD) 46 set(LLVM_TARGETS_TO_BUILD "ARM" CACHE STRING "") 47endif() 48if (NOT DEFINED LLVM_ENABLE_ASSERTIONS) 49 set(LLVM_ENABLE_ASSERTIONS ON CACHE BOOL "") 50endif() 51if (NOT DEFINED LLVM_ENABLE_PROJECTS) 52 set(LLVM_ENABLE_PROJECTS "clang;clang-tools-extra;lld" CACHE STRING "") 53endif() 54if (NOT DEFINED LLVM_ENABLE_RUNTIMES) 55 set(LLVM_ENABLE_RUNTIMES "compiler-rt;libunwind;libcxxabi;libcxx" CACHE STRING "") 56endif() 57 58if (NOT DEFINED TOOLCHAIN_TARGET_TRIPLE) 59 set(TOOLCHAIN_TARGET_TRIPLE "armv7-unknown-linux-gnueabihf") 60else() 61 #NOTE: we must normalize specified target triple to a fully specified triple, 62 # including the vendor part. It is necessary to synchronize the runtime library 63 # installation path and operable target triple by Clang to get a correct runtime 64 # path through `-print-runtime-dir` Clang option. 65 string(REPLACE "-" ";" TOOLCHAIN_TARGET_TRIPLE "${TOOLCHAIN_TARGET_TRIPLE}") 66 list(LENGTH TOOLCHAIN_TARGET_TRIPLE TOOLCHAIN_TARGET_TRIPLE_LEN) 67 if (TOOLCHAIN_TARGET_TRIPLE_LEN LESS 3) 68 message(FATAL_ERROR "invalid target triple") 69 endif() 70 # We suppose missed vendor's part. 71 if (TOOLCHAIN_TARGET_TRIPLE_LEN LESS 4) 72 list(INSERT TOOLCHAIN_TARGET_TRIPLE 1 "unknown") 73 endif() 74 string(REPLACE ";" "-" TOOLCHAIN_TARGET_TRIPLE "${TOOLCHAIN_TARGET_TRIPLE}") 75endif() 76 77if (NOT DEFINED CMAKE_BUILD_TYPE) 78 set(CMAKE_BUILD_TYPE "Release" CACHE STRING "") 79endif() 80 81message(STATUS "Toolchain target triple: ${TOOLCHAIN_TARGET_TRIPLE}") 82 83set(CMAKE_CROSSCOMPILING ON CACHE BOOL "") 84set(CMAKE_CL_SHOWINCLUDES_PREFIX "Note: including file: " CACHE STRING "") 85# Required if COMPILER_RT_DEFAULT_TARGET_ONLY is ON 86set(CMAKE_C_COMPILER_TARGET "${TOOLCHAIN_TARGET_TRIPLE}" CACHE STRING "") 87set(CMAKE_CXX_COMPILER_TARGET "${TOOLCHAIN_TARGET_TRIPLE}" CACHE STRING "") 88 89set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR ON CACHE BOOL "") 90set(LLVM_DEFAULT_TARGET_TRIPLE "${TOOLCHAIN_TARGET_TRIPLE}" CACHE STRING "") 91set(LLVM_TARGET_ARCH "${TOOLCHAIN_TARGET_TRIPLE}" CACHE STRING "") 92set(LLVM_LIT_ARGS "-vv ${LLVM_LIT_ARGS}" CACHE STRING "" FORCE) 93 94set(CLANG_DEFAULT_LINKER "lld" CACHE STRING "") 95 96if(WIN32) 97 set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded" CACHE STRING "") 98 set(LLVM_USE_CRT_RELEASE "MT" CACHE STRING "") 99endif() 100 101# Set up RPATH for the target runtime/builtin libraries. 102# See some details here: https://reviews.llvm.org/D91099 103if (NOT DEFINED RUNTIMES_INSTALL_RPATH) 104 set(RUNTIMES_INSTALL_RPATH "\$ORIGIN/../lib;${CMAKE_INSTALL_PREFIX}/lib") 105endif() 106 107set(LLVM_BUILTIN_TARGETS "${TOOLCHAIN_TARGET_TRIPLE}" CACHE STRING "") 108 109set(BUILTINS_${TOOLCHAIN_TARGET_TRIPLE}_CMAKE_SYSTEM_NAME "Linux" CACHE STRING "") 110set(BUILTINS_${TOOLCHAIN_TARGET_TRIPLE}_CMAKE_SYSROOT "${DEFAULT_SYSROOT}" CACHE STRING "") 111set(BUILTINS_${TOOLCHAIN_TARGET_TRIPLE}_CMAKE_INSTALL_RPATH "${RUNTIMES_INSTALL_RPATH}" CACHE STRING "") 112set(BUILTINS_${TOOLCHAIN_TARGET_TRIPLE}_CMAKE_BUILD_WITH_INSTALL_RPATH ON CACHE BOOL "") 113 114 115set(LLVM_RUNTIME_TARGETS "${TOOLCHAIN_TARGET_TRIPLE}" CACHE STRING "") 116 117set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LLVM_ENABLE_RUNTIMES "${LLVM_ENABLE_RUNTIMES}" CACHE STRING "") 118 119set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_CMAKE_SYSTEM_NAME "Linux" CACHE STRING "") 120set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_CMAKE_SYSROOT "${DEFAULT_SYSROOT}" CACHE STRING "") 121set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_CMAKE_INSTALL_RPATH "${RUNTIMES_INSTALL_RPATH}" CACHE STRING "") 122set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_CMAKE_BUILD_WITH_INSTALL_RPATH ON CACHE BOOL "") 123 124set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_COMPILER_RT_BUILD_BUILTINS ON CACHE BOOL "") 125set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_COMPILER_RT_BUILD_SANITIZERS OFF CACHE BOOL "") 126set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_COMPILER_RT_BUILD_XRAY OFF CACHE BOOL "") 127set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_COMPILER_RT_BUILD_LIBFUZZER OFF CACHE BOOL "") 128set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_COMPILER_RT_BUILD_PROFILE OFF CACHE BOOL "") 129set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_COMPILER_RT_BUILD_CRT OFF CACHE BOOL "") 130set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_COMPILER_RT_BUILD_ORC OFF CACHE BOOL "") 131set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_COMPILER_RT_DEFAULT_TARGET_ONLY ON CACHE BOOL "") 132set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_COMPILER_RT_INCLUDE_TESTS ON CACHE BOOL "") 133set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_COMPILER_RT_CAN_EXECUTE_TESTS ON CACHE BOOL "") 134 135set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_COMPILER_RT_USE_BUILTINS_LIBRARY ON CACHE BOOL "") 136 137set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "") 138set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBUNWIND_ENABLE_SHARED OFF CACHE BOOL "") 139 140set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "") 141set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBCXXABI_ENABLE_STATIC_UNWINDER ON CACHE BOOL "") 142set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "") 143set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "") 144set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBCXXABI_ENABLE_SHARED OFF CACHE BOOL "") 145 146set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBCXX_USE_COMPILER_RT ON CACHE BOOL "") 147set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBCXX_ENABLE_SHARED OFF CACHE BOOL "") 148set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBCXX_ABI_VERSION 2 CACHE STRING "") 149set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBCXX_CXX_ABI "libcxxabi" CACHE STRING "") #!!! 150set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS ON CACHE BOOL "") 151 152 153find_package(Python3 COMPONENTS Interpreter) 154 155# Remote test configuration. 156if(DEFINED REMOTE_TEST_HOST) 157 # Allow override with the custom values. 158 if(NOT DEFINED DEFAULT_TEST_EXECUTOR) 159 set(DEFAULT_TEST_EXECUTOR "\\\"${Python3_EXECUTABLE}\\\" \\\"${LLVM_PROJECT_DIR}/libcxx/utils/ssh.py\\\" --host=${REMOTE_TEST_USER}@${REMOTE_TEST_HOST}") 160 endif() 161 162 set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_COMPILER_RT_EMULATOR 163 "\\\"${Python3_EXECUTABLE}\\\" \\\"${LLVM_PROJECT_DIR}/llvm/utils/remote-exec.py\\\" --host=${REMOTE_TEST_USER}@${REMOTE_TEST_HOST}" 164 CACHE STRING "") 165 166 set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBUNWIND_EXECUTOR "${DEFAULT_TEST_EXECUTOR}" CACHE STRING "") 167 set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBCXXABI_EXECUTOR "${DEFAULT_TEST_EXECUTOR}" CACHE STRING "") 168 set(RUNTIMES_${TOOLCHAIN_TARGET_TRIPLE}_LIBCXX_EXECUTOR "${DEFAULT_TEST_EXECUTOR}" CACHE STRING "") 169endif() 170 171set(LLVM_INSTALL_TOOLCHAIN_ONLY ON CACHE BOOL "") 172set(LLVM_TOOLCHAIN_TOOLS 173 llvm-ar 174 llvm-cov 175 llvm-cxxfilt 176 llvm-dwarfdump 177 llvm-lib 178 llvm-nm 179 llvm-objdump 180 llvm-pdbutil 181 llvm-profdata 182 llvm-ranlib 183 llvm-readobj 184 llvm-size 185 llvm-symbolizer 186 CACHE STRING "") 187 188set(LLVM_DISTRIBUTION_COMPONENTS 189 clang 190 lld 191 LTO 192 clang-format 193 builtins 194 runtimes 195 ${LLVM_TOOLCHAIN_TOOLS} 196 CACHE STRING "") 197