248 lines · plain
1cmake_minimum_required(VERSION 3.20.0)2set(LLVM_SUBPROJECT_TITLE "LLD")3 4if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)5 set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)6endif()7include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake8 NO_POLICY_SCOPE)9 10# If we are not building as a part of LLVM, build LLD as an11# standalone project, using LLVM as an external library:12if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)13 project(lld)14 set(LLD_BUILT_STANDALONE TRUE)15endif()16 17# Must go below project(..)18include(GNUInstallDirs)19 20if(LLD_BUILT_STANDALONE)21 set(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard to conform to")22 set(CMAKE_CXX_STANDARD_REQUIRED YES)23 set(CMAKE_CXX_EXTENSIONS NO)24 25 set(CMAKE_INCLUDE_CURRENT_DIR ON)26 27 find_package(LLVM REQUIRED HINTS "${LLVM_CMAKE_DIR}")28 list(APPEND CMAKE_MODULE_PATH "${LLVM_DIR}")29 30 # Turn into CACHE PATHs for overwriting31 set(LLVM_INCLUDE_DIRS ${LLVM_INCLUDE_DIRS} CACHE PATH "Path to llvm/include and any other header dirs needed")32 set(LLVM_BINARY_DIR "${LLVM_BINARY_DIR}" CACHE PATH "Path to LLVM build tree")33 set(LLVM_MAIN_SRC_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../llvm" CACHE PATH "Path to LLVM source tree")34 35 find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR}36 NO_DEFAULT_PATH)37 38 # They are used as destination of target generators.39 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)40 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})41 42 separate_arguments(LLVM_DEFINITIONS_LIST NATIVE_COMMAND ${LLVM_DEFINITIONS})43 add_definitions(${LLVM_DEFINITIONS_LIST})44 list(APPEND CMAKE_REQUIRED_DEFINITIONS ${LLVM_DEFINITIONS_LIST})45 46 include(AddLLVM)47 include(TableGen)48 include(HandleLLVMOptions)49 include(GetErrcMessages)50 include(CheckAtomic)51 52 set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")53 54 include_directories(${LLVM_INCLUDE_DIRS})55 link_directories(${LLVM_LIBRARY_DIRS})56 57 if(LLVM_INCLUDE_TESTS)58 find_package(Python3 ${LLVM_MINIMUM_PYTHON_VERSION} REQUIRED59 COMPONENTS Interpreter)60 61 # Check prebuilt llvm/utils.62 if(EXISTS ${LLVM_TOOLS_BINARY_DIR}/FileCheck${CMAKE_EXECUTABLE_SUFFIX}63 AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/not${CMAKE_EXECUTABLE_SUFFIX})64 set(LLVM_UTILS_PROVIDED ON)65 endif()66 67 if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)68 # Note: path not really used, except for checking if lit was found69 set(LLVM_EXTERNAL_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)70 if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/llvm-lit)71 add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/llvm-lit utils/llvm-lit)72 endif()73 if(NOT LLVM_UTILS_PROVIDED)74 add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/FileCheck utils/FileCheck)75 add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/not utils/not)76 set(LLVM_UTILS_PROVIDED ON)77 set(LLD_TEST_DEPS FileCheck not)78 endif()79 80 if (NOT TARGET llvm_gtest)81 message(FATAL_ERROR "llvm-gtest not found. Please install llvm-gtest or disable tests with -DLLVM_INCLUDE_TESTS=OFF")82 endif()83 else()84 # Seek installed Lit.85 find_program(LLVM_EXTERNAL_LIT86 NAMES llvm-lit lit.py lit87 PATHS "${LLVM_MAIN_SRC_DIR}/utils/lit"88 DOC "Path to lit.py")89 endif()90 91 if(LLVM_EXTERNAL_LIT)92 # Define the default arguments to use with 'lit', and an option for the user93 # to override.94 set(LIT_ARGS_DEFAULT "-sv")95 if (MSVC OR XCODE)96 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")97 endif()98 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")99 100 get_errc_messages(LLVM_LIT_ERRC_MESSAGES)101 102 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.103 if(WIN32 AND NOT CYGWIN)104 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")105 endif()106 else()107 set(LLVM_INCLUDE_TESTS OFF)108 endif()109 endif()110endif() # standalone111 112set(LLD_TOOLS_INSTALL_DIR "${CMAKE_INSTALL_BINDIR}" CACHE PATH113 "Path for binary subdirectory (defaults to '${CMAKE_INSTALL_BINDIR}')")114mark_as_advanced(LLD_TOOLS_INSTALL_DIR)115 116set(LLD_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})117set(LLD_INCLUDE_DIR ${LLD_SOURCE_DIR}/include )118set(LLD_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})119 120set(LLD_VENDOR ${PACKAGE_VENDOR} CACHE STRING121 "Vendor-specific text for showing with version information.")122 123if(LLD_VENDOR)124 add_definitions(-DLLD_VENDOR="${LLD_VENDOR}")125endif()126 127# Compute the LLD version from the LLVM version.128string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" LLD_VERSION129 ${PACKAGE_VERSION})130message(STATUS "LLD version: ${LLD_VERSION}")131 132string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" LLD_VERSION_MAJOR133 ${LLD_VERSION})134string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" LLD_VERSION_MINOR135 ${LLD_VERSION})136 137# Configure the Version.inc file.138configure_file(139 ${CMAKE_CURRENT_SOURCE_DIR}/include/lld/Common/Version.inc.in140 ${CMAKE_CURRENT_BINARY_DIR}/include/lld/Common/Version.inc)141 142 143if (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)144 message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "145"the makefiles distributed with LLVM. Please create a directory and run cmake "146"from there, passing the path to this source directory as the last argument. "147"This process created the file `CMakeCache.txt' and the directory "148"`CMakeFiles'. Please delete them.")149endif()150 151# Add path for custom modules.152list(INSERT CMAKE_MODULE_PATH 0153 "${LLD_SOURCE_DIR}/cmake/modules"154 "${LLVM_COMMON_CMAKE_UTILS}/Modules"155 )156 157include(AddLLD)158 159option(LLD_USE_VTUNE160 "Enable VTune user task tracking."161 OFF)162if (LLD_USE_VTUNE)163 find_package(VTune)164 if (VTUNE_FOUND)165 include_directories(${VTune_INCLUDE_DIRS})166 list(APPEND LLVM_COMMON_LIBS ${VTune_LIBRARIES})167 add_definitions(-DLLD_HAS_VTUNE)168 endif()169endif()170 171option(LLD_BUILD_TOOLS172 "Build the lld tools. If OFF, just generate build targets." ON)173 174option(LLD_DEFAULT_LD_LLD_IS_MINGW175 "Use MinGW as the default backend for ld.lld. If OFF, ELF will be used." OFF)176if (LLD_DEFAULT_LD_LLD_IS_MINGW)177 add_definitions("-DLLD_DEFAULT_LD_LLD_IS_MINGW=1")178endif()179 180if (MSVC)181 add_definitions(-wd4530) # Suppress 'warning C4530: C++ exception handler used, but unwind semantics are not enabled.'182 add_definitions(-wd4062) # Suppress 'warning C4062: enumerator X in switch of enum Y is not handled' from system header.183endif()184 185include_directories(BEFORE186 ${CMAKE_CURRENT_BINARY_DIR}/include187 ${CMAKE_CURRENT_SOURCE_DIR}/include188 )189 190add_subdirectory(Common)191add_subdirectory(tools/lld)192 193if (LLVM_INCLUDE_TESTS)194 add_custom_target(LLDUnitTests)195 set_target_properties(LLDUnitTests PROPERTIES FOLDER "LLD/Tests")196 if (TARGET llvm_gtest)197 add_subdirectory(unittests)198 endif()199 add_subdirectory(test)200endif()201 202add_subdirectory(docs)203add_subdirectory(COFF)204add_subdirectory(ELF)205add_subdirectory(MachO)206add_subdirectory(MinGW)207add_subdirectory(wasm)208 209add_custom_target(lld-headers)210set_target_properties(lld-headers PROPERTIES FOLDER "Misc")211if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)212 install(DIRECTORY include/lld213 DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"214 COMPONENT lld-headers215 FILES_MATCHING216 PATTERN "*.h"217 PATTERN "*.inc"218 )219 220 if (NOT LLVM_ENABLE_IDE)221 add_llvm_install_targets(install-lld-headers222 DEPENDS lld-headers223 COMPONENT lld-headers)224 endif()225endif()226 227# Custom target to install all lld libraries228add_custom_target(lld-libraries)229if (NOT LLVM_ENABLE_IDE)230 add_llvm_install_targets(install-lld-libraries231 DEPENDS lld-libraries232 COMPONENT lld-libraries)233endif()234 235get_property(LLD_LIBS GLOBAL PROPERTY LLD_ALL_LIBS)236if(LLD_LIBS)237 list(REMOVE_DUPLICATES LLD_LIBS)238 foreach(lib ${LLD_LIBS})239 add_dependencies(lld-libraries ${lib})240 if(NOT LLVM_ENABLE_IDE)241 add_dependencies(install-lld-libraries install-${lib})242 add_dependencies(install-lld-libraries-stripped install-${lib}-stripped)243 endif()244 endforeach()245endif()246 247add_subdirectory(cmake/modules)248