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# -DCMAKE_INSTALL_PREFIX=../install ^ 14# -DDEFAULT_SYSROOT=<path-to-develop-arm-linux-root-fs> ^ 15# -DLLVM_AR=<llvm_obj_root>/bin/llvm-ar[.exe] ^ 16# -DCMAKE_CXX_FLAGS="-D__OPTIMIZE__" ^ 17# -DREMOTE_TEST_HOST="<hostname>" ^ 18# -DREMOTE_TEST_USER="<ssh_user_name>" ^ 19# -C<llvm_src_root>/llvm-project/clang/cmake/caches/CrossWinToARMLinux.cmake ^ 20# <llvm_src_root>/llvm-project/llvm 21# Build: 22# cmake --build . --target install 23# Test: 24# cmake --build . --target check-llvm 25# cmake --build . --target check-clang 26# cmake --build . --target check-lld 27 28# LLVM_PROJECT_DIR is the path to the llvm-project directory. 29# The right way to compute it would probably be to use "${CMAKE_SOURCE_DIR}/../", 30# but CMAKE_SOURCE_DIR is set to the wrong value on earlier CMake versions 31# that we still need to support (for instance, 3.10.2). 32get_filename_component(LLVM_PROJECT_DIR 33 "${CMAKE_CURRENT_LIST_DIR}/../../../" 34 ABSOLUTE) 35 36if (NOT DEFINED DEFAULT_SYSROOT) 37 message(WARNING "DEFAULT_SYSROOT must be specified for the cross toolchain build.") 38endif() 39 40if (DEFINED LLVM_AR) 41 set(CMAKE_AR "${LLVM_AR}" CACHE STRING "") 42endif() 43 44if (NOT DEFINED LLVM_TARGETS_TO_BUILD) 45 set(LLVM_TARGETS_TO_BUILD "ARM" CACHE STRING "") 46endif() 47 48if (NOT DEFINED CMAKE_C_COMPILER_TARGET) 49 # Required if COMPILER_RT_DEFAULT_TARGET_ONLY is ON 50 set(CMAKE_C_COMPILER_TARGET "armv7-linux-gnueabihf" CACHE STRING "") 51endif() 52 53if (NOT DEFINED CMAKE_BUILD_TYPE) 54 set(CMAKE_BUILD_TYPE "Release" CACHE STRING "") 55endif() 56 57set(CMAKE_CROSSCOMPILING ON CACHE BOOL "") 58set(CMAKE_CL_SHOWINCLUDES_PREFIX "Note: including file: " CACHE STRING "") 59 60set(LLVM_ENABLE_ASSERTIONS ON CACHE BOOL "") 61set(LLVM_ENABLE_PROJECTS "clang;clang-tools-extra;lld" CACHE STRING "") 62set(LLVM_ENABLE_RUNTIMES "compiler-rt;libunwind;libcxxabi;libcxx" CACHE STRING "") 63set(LLVM_DEFAULT_TARGET_TRIPLE "${CMAKE_C_COMPILER_TARGET}" CACHE STRING "") 64set(LLVM_TARGET_ARCH "${CMAKE_C_COMPILER_TARGET}" CACHE STRING "") 65set(LLVM_LIT_ARGS "-vv ${LLVM_LIT_ARGS}" CACHE STRING "" FORCE) 66 67set(CLANG_DEFAULT_LINKER "lld" CACHE STRING "") 68 69set(COMPILER_RT_BUILD_BUILTINS ON CACHE BOOL "") 70set(COMPILER_RT_BUILD_SANITIZERS OFF CACHE BOOL "") 71set(COMPILER_RT_BUILD_XRAY OFF CACHE BOOL "") 72set(COMPILER_RT_BUILD_LIBFUZZER OFF CACHE BOOL "") 73set(COMPILER_RT_BUILD_PROFILE OFF CACHE BOOL "") 74set(COMPILER_RT_BUILD_CRT OFF CACHE BOOL "") 75set(COMPILER_RT_DEFAULT_TARGET_ONLY ON CACHE BOOL "") 76set(COMPILER_RT_INCLUDE_TESTS ON CACHE BOOL "") 77 78set(LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "") 79set(LIBUNWIND_TARGET_TRIPLE "${CMAKE_C_COMPILER_TARGET}" CACHE STRING "") 80set(LIBUNWIND_SYSROOT "${DEFAULT_SYSROOT}" CACHE STRING "") 81set(LIBUNWIND_ENABLE_SHARED OFF CACHE BOOL "") 82 83set(LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "") 84set(LIBCXXABI_ENABLE_STATIC_UNWINDER ON CACHE BOOL "") 85set(LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "") 86set(LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "") 87set(LIBCXXABI_TARGET_TRIPLE "${CMAKE_C_COMPILER_TARGET}" CACHE STRING "") 88set(LIBCXXABI_SYSROOT "${DEFAULT_SYSROOT}" CACHE STRING "") 89set(LIBCXXABI_LINK_TESTS_WITH_SHARED_LIBCXXABI OFF CACHE BOOL "") 90set(LIBCXXABI_LINK_TESTS_WITH_SHARED_LIBCXX OFF CACHE BOOL "") 91set(LIBCXX_LINK_TESTS_WITH_SHARED_LIBCXXABI OFF CACHE BOOL "") 92set(LIBCXX_LINK_TESTS_WITH_SHARED_LIBCXX OFF CACHE BOOL "") 93 94set(LIBCXX_USE_COMPILER_RT ON CACHE BOOL "") 95set(LIBCXX_TARGET_TRIPLE "${CMAKE_C_COMPILER_TARGET}" CACHE STRING "") 96set(LIBCXX_SYSROOT "${DEFAULT_SYSROOT}" CACHE STRING "") 97set(LIBCXX_ENABLE_SHARED OFF CACHE BOOL "") 98set(LIBCXX_CXX_ABI "libcxxabi" CACHE STRING "") 99set(LIBCXX_CXX_ABI_INCLUDE_PATHS "${LLVM_PROJECT_DIR}/libcxxabi/include" CACHE PATH "") 100set(LIBCXX_CXX_ABI_LIBRARY_PATH "${CMAKE_BINARY_DIR}/lib/${LIBCXX_TARGET_TRIPLE}/c++" CACHE PATH "") 101set(LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS ON CACHE BOOL "") 102 103# Set up RPATH for the target runtime/builtin libraries. 104# See some details here: https://reviews.llvm.org/D91099 105if (NOT DEFINED RUNTIMES_INSTALL_RPATH) 106 set(RUNTIMES_INSTALL_RPATH "\$ORIGIN/../lib;${CMAKE_INSTALL_PREFIX}/lib") 107endif() 108 109set(BUILTINS_CMAKE_ARGS "-DCMAKE_SYSTEM_NAME=Linux;-DCMAKE_AR=${CMAKE_AR};-DCMAKE_INSTALL_RPATH=${RUNTIMES_INSTALL_RPATH};-DCMAKE_BUILD_WITH_INSTALL_RPATH=ON" CACHE STRING "") 110set(RUNTIMES_CMAKE_ARGS "-DCMAKE_SYSTEM_NAME=Linux;-DCMAKE_AR=${CMAKE_AR};-DCMAKE_INSTALL_RPATH=${RUNTIMES_INSTALL_RPATH};-DCMAKE_BUILD_WITH_INSTALL_RPATH=ON" CACHE STRING "") 111 112find_package(Python3 COMPONENTS Interpreter) 113 114# Remote test configuration. 115if(DEFINED REMOTE_TEST_HOST) 116 set(DEFAULT_TEST_EXECUTOR "\\\"${Python3_EXECUTABLE}\\\" \\\"${LLVM_PROJECT_DIR}/libcxx/utils/ssh.py\\\" --host='${REMOTE_TEST_USER}@${REMOTE_TEST_HOST}'") 117 set(DEFAULT_TEST_TARGET_INFO "libcxx.test.target_info.LinuxRemoteTI") 118 119 # Allow override with the custom values. 120 if(NOT DEFINED COMPILER_RT_EMULATOR) 121 set(COMPILER_RT_EMULATOR "\\\"${Python3_EXECUTABLE}\\\" \\\"${LLVM_PROJECT_DIR}/llvm/utils/remote-exec.py\\\" --execdir %%T --exec-pattern='.*\\.c.*\\.tmp.*' --host='${REMOTE_TEST_USER}@${REMOTE_TEST_HOST}'" CACHE STRING "") 122 endif() 123 if(NOT DEFINED LIBUNWIND_TARGET_INFO) 124 set(LIBUNWIND_TARGET_INFO "${DEFAULT_TEST_TARGET_INFO}" CACHE STRING "") 125 endif() 126 if(NOT DEFINED LIBUNWIND_EXECUTOR) 127 set(LIBUNWIND_EXECUTOR "${DEFAULT_TEST_EXECUTOR}" CACHE STRING "") 128 endif() 129 if(NOT DEFINED LIBCXXABI_TARGET_INFO) 130 set(LIBCXXABI_TARGET_INFO "${DEFAULT_TEST_TARGET_INFO}" CACHE STRING "") 131 endif() 132 if(NOT DEFINED LIBCXXABI_EXECUTOR) 133 set(LIBCXXABI_EXECUTOR "${DEFAULT_TEST_EXECUTOR}" CACHE STRING "") 134 endif() 135 if(NOT DEFINED LIBCXX_TARGET_INFO) 136 set(LIBCXX_TARGET_INFO "${DEFAULT_TEST_TARGET_INFO}" CACHE STRING "") 137 endif() 138 if(NOT DEFINED LIBCXX_EXECUTOR) 139 set(LIBCXX_EXECUTOR "${DEFAULT_TEST_EXECUTOR}" CACHE STRING "") 140 endif() 141endif() 142 143set(LLVM_INSTALL_TOOLCHAIN_ONLY ON CACHE BOOL "") 144set(LLVM_TOOLCHAIN_TOOLS 145 llvm-ar 146 llvm-cov 147 llvm-cxxfilt 148 llvm-dwarfdump 149 llvm-lib 150 llvm-nm 151 llvm-objdump 152 llvm-profdata 153 llvm-ranlib 154 llvm-readobj 155 llvm-size 156 llvm-symbolizer 157 CACHE STRING "") 158 159set(LLVM_DISTRIBUTION_COMPONENTS 160 clang 161 lld 162 LTO 163 clang-format 164 builtins 165 runtimes 166 ${LLVM_TOOLCHAIN_TOOLS} 167 CACHE STRING "") 168