cmake_minimum_required(VERSION 3.20.0) set(LLVM_SUBPROJECT_TITLE "LLD") if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS) set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake) endif() include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake NO_POLICY_SCOPE) # If we are not building as a part of LLVM, build LLD as an # standalone project, using LLVM as an external library: if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) project(lld) set(LLD_BUILT_STANDALONE TRUE) endif() # Must go below project(..) include(GNUInstallDirs) if(LLD_BUILT_STANDALONE) set(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard to conform to") set(CMAKE_CXX_STANDARD_REQUIRED YES) set(CMAKE_CXX_EXTENSIONS NO) set(CMAKE_INCLUDE_CURRENT_DIR ON) find_package(LLVM REQUIRED HINTS "${LLVM_CMAKE_DIR}") list(APPEND CMAKE_MODULE_PATH "${LLVM_DIR}") # Turn into CACHE PATHs for overwriting set(LLVM_INCLUDE_DIRS ${LLVM_INCLUDE_DIRS} CACHE PATH "Path to llvm/include and any other header dirs needed") set(LLVM_BINARY_DIR "${LLVM_BINARY_DIR}" CACHE PATH "Path to LLVM build tree") set(LLVM_MAIN_SRC_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../llvm" CACHE PATH "Path to LLVM source tree") find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH) # They are used as destination of target generators. set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin) set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX}) include(AddLLVM) include(TableGen) include(HandleLLVMOptions) include(GetErrcMessages) include(CheckAtomic) set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}") include_directories(${LLVM_INCLUDE_DIRS}) link_directories(${LLVM_LIBRARY_DIRS}) if(LLVM_INCLUDE_TESTS) find_package(Python3 ${LLVM_MINIMUM_PYTHON_VERSION} REQUIRED COMPONENTS Interpreter) # Check prebuilt llvm/utils. if(EXISTS ${LLVM_TOOLS_BINARY_DIR}/FileCheck${CMAKE_EXECUTABLE_SUFFIX} AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/not${CMAKE_EXECUTABLE_SUFFIX}) set(LLVM_UTILS_PROVIDED ON) endif() if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) # Note: path not really used, except for checking if lit was found set(LLVM_EXTERNAL_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) if(NOT LLVM_UTILS_PROVIDED) add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/FileCheck utils/FileCheck) add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/not utils/not) set(LLVM_UTILS_PROVIDED ON) set(LLD_TEST_DEPS FileCheck not) endif() if (NOT TARGET llvm_gtest) message(FATAL_ERROR "llvm-gtest not found. Please install llvm-gtest or disable tests with -DLLVM_INCLUDE_TESTS=OFF") endif() else() # Seek installed Lit. find_program(LLVM_EXTERNAL_LIT NAMES llvm-lit lit.py lit PATHS "${LLVM_MAIN_SRC_DIR}/utils/lit" DOC "Path to lit.py") endif() if(LLVM_EXTERNAL_LIT) # Define the default arguments to use with 'lit', and an option for the user # to override. set(LIT_ARGS_DEFAULT "-sv") if (MSVC OR XCODE) set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar") endif() set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") get_errc_messages(LLVM_LIT_ERRC_MESSAGES) # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools. if(WIN32 AND NOT CYGWIN) set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools") endif() else() set(LLVM_INCLUDE_TESTS OFF) endif() endif() endif() # standalone set(LLD_TOOLS_INSTALL_DIR "${CMAKE_INSTALL_BINDIR}" CACHE PATH "Path for binary subdirectory (defaults to '${CMAKE_INSTALL_BINDIR}')") mark_as_advanced(LLD_TOOLS_INSTALL_DIR) set(LLD_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) set(LLD_INCLUDE_DIR ${LLD_SOURCE_DIR}/include ) set(LLD_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) set(LLD_VENDOR ${PACKAGE_VENDOR} CACHE STRING "Vendor-specific text for showing with version information.") if(LLD_VENDOR) add_definitions(-DLLD_VENDOR="${LLD_VENDOR}") endif() # Compute the LLD version from the LLVM version. string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" LLD_VERSION ${PACKAGE_VERSION}) message(STATUS "LLD version: ${LLD_VERSION}") string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" LLD_VERSION_MAJOR ${LLD_VERSION}) string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" LLD_VERSION_MINOR ${LLD_VERSION}) # Configure the Version.inc file. configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/include/lld/Common/Version.inc.in ${CMAKE_CURRENT_BINARY_DIR}/include/lld/Common/Version.inc) if (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR) message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite " "the makefiles distributed with LLVM. Please create a directory and run cmake " "from there, passing the path to this source directory as the last argument. " "This process created the file `CMakeCache.txt' and the directory " "`CMakeFiles'. Please delete them.") endif() # Add path for custom modules. list(INSERT CMAKE_MODULE_PATH 0 "${LLD_SOURCE_DIR}/cmake/modules" "${LLVM_COMMON_CMAKE_UTILS}/Modules" ) include(AddLLD) option(LLD_USE_VTUNE "Enable VTune user task tracking." OFF) if (LLD_USE_VTUNE) find_package(VTune) if (VTUNE_FOUND) include_directories(${VTune_INCLUDE_DIRS}) list(APPEND LLVM_COMMON_LIBS ${VTune_LIBRARIES}) add_definitions(-DLLD_HAS_VTUNE) endif() endif() option(LLD_BUILD_TOOLS "Build the lld tools. If OFF, just generate build targets." ON) option(LLD_DEFAULT_LD_LLD_IS_MINGW "Use MinGW as the default backend for ld.lld. If OFF, ELF will be used." OFF) if (LLD_DEFAULT_LD_LLD_IS_MINGW) add_definitions("-DLLD_DEFAULT_LD_LLD_IS_MINGW=1") endif() if (MSVC) add_definitions(-wd4530) # Suppress 'warning C4530: C++ exception handler used, but unwind semantics are not enabled.' add_definitions(-wd4062) # Suppress 'warning C4062: enumerator X in switch of enum Y is not handled' from system header. endif() include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR}/include ${CMAKE_CURRENT_SOURCE_DIR}/include ) if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) install(DIRECTORY include/ DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}" FILES_MATCHING PATTERN "*.h" ) endif() add_subdirectory(Common) add_subdirectory(tools/lld) if (LLVM_INCLUDE_TESTS) add_custom_target(LLDUnitTests) set_target_properties(LLDUnitTests PROPERTIES FOLDER "LLD/Tests") if (TARGET llvm_gtest) add_subdirectory(unittests) endif() add_subdirectory(test) endif() add_subdirectory(docs) add_subdirectory(COFF) add_subdirectory(ELF) add_subdirectory(MachO) add_subdirectory(MinGW) add_subdirectory(wasm) add_subdirectory(cmake/modules)