| cmake_minimum_required(VERSION 3.20.0) |
| |
| 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) |
| llvm_add_unittests(LLD_UNITTESTS_ADDED) |
| 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) |