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 ${LLVM_LIT_ARGS}" CACHE STRING "" FORCE) 66 67set(CLANG_DEFAULT_LINKER "lld" CACHE STRING "") 68 69set(COMPILER_RT_BUILD_BUILTINS ON CACHE BOOL "") 70set(COMPILER_RT_BUILD_SANITIZERS OFF CACHE BOOL "") 71set(COMPILER_RT_BUILD_XRAY OFF CACHE BOOL "") 72set(COMPILER_RT_BUILD_LIBFUZZER OFF CACHE BOOL "") 73set(COMPILER_RT_BUILD_PROFILE OFF CACHE BOOL "") 74set(COMPILER_RT_DEFAULT_TARGET_ONLY ON CACHE BOOL "") 75 76set(LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "") 77set(LIBUNWIND_TARGET_TRIPLE "${CMAKE_C_COMPILER_TARGET}" CACHE STRING "") 78set(LIBUNWIND_SYSROOT "${DEFAULT_SYSROOT}" CACHE STRING "") 79set(LIBUNWIND_ENABLE_SHARED OFF CACHE BOOL "") 80 81set(LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "") 82set(LIBCXXABI_ENABLE_STATIC_UNWINDER ON CACHE BOOL "") 83set(LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "") 84set(LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "") 85set(LIBCXXABI_TARGET_TRIPLE "${CMAKE_C_COMPILER_TARGET}" CACHE STRING "") 86set(LIBCXXABI_SYSROOT "${DEFAULT_SYSROOT}" CACHE STRING "") 87set(LIBCXXABI_LINK_TESTS_WITH_SHARED_LIBCXXABI OFF CACHE BOOL "") 88set(LIBCXXABI_LINK_TESTS_WITH_SHARED_LIBCXX OFF CACHE BOOL "") 89set(LIBCXX_LINK_TESTS_WITH_SHARED_LIBCXXABI OFF CACHE BOOL "") 90set(LIBCXX_LINK_TESTS_WITH_SHARED_LIBCXX OFF CACHE BOOL "") 91 92set(LIBCXX_USE_COMPILER_RT ON CACHE BOOL "") 93set(LIBCXX_TARGET_TRIPLE "${CMAKE_C_COMPILER_TARGET}" CACHE STRING "") 94set(LIBCXX_SYSROOT "${DEFAULT_SYSROOT}" CACHE STRING "") 95set(LIBCXX_ENABLE_SHARED OFF CACHE BOOL "") 96set(LIBCXX_CXX_ABI "libcxxabi" CACHE STRING "") 97set(LIBCXX_CXX_ABI_INCLUDE_PATHS "${LLVM_PROJECT_DIR}/libcxxabi/include" CACHE PATH "") 98set(LIBCXX_CXX_ABI_LIBRARY_PATH "${CMAKE_BINARY_DIR}/lib/${LIBCXX_TARGET_TRIPLE}/c++" CACHE PATH "") 99 100set(BUILTINS_CMAKE_ARGS "-DCMAKE_SYSTEM_NAME=Linux;-DCMAKE_AR=${CMAKE_AR}" CACHE STRING "") 101set(RUNTIMES_CMAKE_ARGS "-DCMAKE_SYSTEM_NAME=Linux;-DCMAKE_AR=${CMAKE_AR}" CACHE STRING "") 102 103find_package(Python3 COMPONENTS Interpreter) 104 105# Remote test configuration. 106if(DEFINED REMOTE_TEST_HOST) 107 set(DEFAULT_TEST_EXECUTOR "\\\"${Python3_EXECUTABLE}\\\" \\\"${LLVM_PROJECT_DIR}/libcxx/utils/ssh.py\\\" --host='${REMOTE_TEST_USER}@${REMOTE_TEST_HOST}'") 108 set(DEFAULT_TEST_TARGET_INFO "libcxx.test.target_info.LinuxRemoteTI") 109 110 # Allow override with the custom values. 111 if(NOT DEFINED LIBUNWIND_TARGET_INFO) 112 set(LIBUNWIND_TARGET_INFO "${DEFAULT_TEST_TARGET_INFO}" CACHE STRING "") 113 endif() 114 if(NOT DEFINED LIBUNWIND_EXECUTOR) 115 set(LIBUNWIND_EXECUTOR "${DEFAULT_TEST_EXECUTOR}" CACHE STRING "") 116 endif() 117 if(NOT DEFINED LIBCXXABI_TARGET_INFO) 118 set(LIBCXXABI_TARGET_INFO "${DEFAULT_TEST_TARGET_INFO}" CACHE STRING "") 119 endif() 120 if(NOT DEFINED LIBCXXABI_EXECUTOR) 121 set(LIBCXXABI_EXECUTOR "${DEFAULT_TEST_EXECUTOR}" CACHE STRING "") 122 endif() 123 if(NOT DEFINED LIBCXX_TARGET_INFO) 124 set(LIBCXX_TARGET_INFO "${DEFAULT_TEST_TARGET_INFO}" CACHE STRING "") 125 endif() 126 if(NOT DEFINED LIBCXX_EXECUTOR) 127 set(LIBCXX_EXECUTOR "${DEFAULT_TEST_EXECUTOR}" CACHE STRING "") 128 endif() 129endif() 130 131set(LLVM_INSTALL_TOOLCHAIN_ONLY ON CACHE BOOL "") 132set(LLVM_TOOLCHAIN_TOOLS 133 llvm-ar 134 llvm-cov 135 llvm-cxxfilt 136 llvm-dwarfdump 137 llvm-lib 138 llvm-nm 139 llvm-objdump 140 llvm-profdata 141 llvm-ranlib 142 llvm-readobj 143 llvm-size 144 llvm-symbolizer 145 CACHE STRING "") 146 147set(LLVM_DISTRIBUTION_COMPONENTS 148 clang 149 lld 150 LTO 151 clang-format 152 builtins 153 runtimes 154 ${LLVM_TOOLCHAIN_TOOLS} 155 CACHE STRING "") 156