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CMakeLists.txt
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# See docs/CMake.html for instructions about how to build LLVM with CMake.
cmake_minimum_required(VERSION 3.13.4)
if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
message(WARNING
"Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
"minimum version of CMake required to build LLVM will become 3.20.0, and "
"using an older CMake will become an error. Please upgrade your CMake to "
"at least 3.20.0 now to avoid issues in the future!")
endif()
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
NO_POLICY_SCOPE)
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
if(NOT DEFINED LLVM_VERSION_MAJOR)
set(LLVM_VERSION_MAJOR 16)
endif()
if(NOT DEFINED LLVM_VERSION_MINOR)
set(LLVM_VERSION_MINOR 0)
endif()
if(NOT DEFINED LLVM_VERSION_PATCH)
set(LLVM_VERSION_PATCH 0)
endif()
if(NOT DEFINED LLVM_VERSION_SUFFIX)
set(LLVM_VERSION_SUFFIX git)
endif()
if (NOT PACKAGE_VERSION)
set(PACKAGE_VERSION
"${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}")
endif()
if(NOT DEFINED LLVM_SHLIB_SYMBOL_VERSION)
# "Symbol version prefix for libLLVM.so"
set(LLVM_SHLIB_SYMBOL_VERSION "LLVM_${LLVM_VERSION_MAJOR}")
endif()
if ((CMAKE_GENERATOR MATCHES "Visual Studio") AND (MSVC_TOOLSET_VERSION LESS 142) AND (CMAKE_GENERATOR_TOOLSET STREQUAL ""))
message(WARNING "Visual Studio generators use the x86 host compiler by "
"default, even for 64-bit targets. This can result in linker "
"instability and out of memory errors. To use the 64-bit "
"host compiler, pass -Thost=x64 on the CMake command line.")
endif()
if (CMAKE_GENERATOR STREQUAL "Xcode" AND NOT CMAKE_OSX_ARCHITECTURES)
# Some CMake features like object libraries get confused if you don't
# explicitly specify an architecture setting with the Xcode generator.
set(CMAKE_OSX_ARCHITECTURES "x86_64")
endif()
project(LLVM
VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}
LANGUAGES C CXX ASM)
if (NOT DEFINED CMAKE_INSTALL_LIBDIR AND DEFINED LLVM_LIBDIR_SUFFIX)
# Must go before `include(GNUInstallDirs)`.
set(CMAKE_INSTALL_LIBDIR "lib${LLVM_LIBDIR_SUFFIX}")
endif()
# Must go after `DEFINED LLVM_LIBDIR_SUFFIX` check.
set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
# Must go after `project(..)`.
include(GNUInstallDirs)
# This C++ standard is required to build LLVM.
set(LLVM_REQUIRED_CXX_STANDARD 17)
# If we find that the cache contains CMAKE_CXX_STANDARD it means that it's a old CMakeCache.txt
# and we can just inform the user and then reset it.
if($CACHE{CMAKE_CXX_STANDARD} AND $CACHE{CMAKE_CXX_STANDARD} LESS ${LLVM_REQUIRED_CXX_STANDARD})
message(WARNING "Resetting cache value for CMAKE_CXX_STANDARD to ${LLVM_REQUIRED_CXX_STANDARD}")
unset(CMAKE_CXX_STANDARD CACHE)
endif()
# if CMAKE_CXX_STANDARD is still set after the cache unset above it means that the user requested it
# and we allow it to be set to something newer than the required standard but otherwise we fail.
if(DEFINED CMAKE_CXX_STANDARD AND CMAKE_CXX_STANDARD LESS ${LLVM_REQUIRED_CXX_STANDARD})
message(FATAL_ERROR "Requested CMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD} which is less than the required ${LLVM_REQUIRED_CXX_STANDARD}.")
endif()
set(CMAKE_CXX_STANDARD ${LLVM_REQUIRED_CXX_STANDARD} CACHE STRING "C++ standard to conform to")
set(CMAKE_CXX_STANDARD_REQUIRED YES)
if (CYGWIN)
# Cygwin is a bit stricter and lack things like 'strdup', 'stricmp', etc in
# c++xx mode.
set(CMAKE_CXX_EXTENSIONS YES)
else()
set(CMAKE_CXX_EXTENSIONS NO)
endif()
if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(FATAL_ERROR "
No build type selected. You need to pass -DCMAKE_BUILD_TYPE=<type> in order to configure LLVM.
Available options are:
* -DCMAKE_BUILD_TYPE=Release - For an optimized build with no assertions or debug info.
* -DCMAKE_BUILD_TYPE=Debug - For an unoptimized build with assertions and debug info.
* -DCMAKE_BUILD_TYPE=RelWithDebInfo - For an optimized build with no assertions but with debug info.
* -DCMAKE_BUILD_TYPE=MinSizeRel - For a build optimized for size instead of speed.
Learn more about these options in our documentation at https://llvm.org/docs/CMake.html#cmake-build-type
")
endif()
# Set default build type for cmake's try_compile module.
# CMake 3.17 or newer sets CMAKE_DEFAULT_BUILD_TYPE to one of the
# items from CMAKE_CONFIGURATION_TYPES. Logic below can be further
# simplified once LLVM's minimum CMake version is updated to 3.17.
if(CMAKE_DEFAULT_BUILD_TYPE)
set(CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_DEFAULT_BUILD_TYPE})
else()
if(CMAKE_CONFIGURATION_TYPES)
list(GET CMAKE_CONFIGURATION_TYPES 0 CMAKE_TRY_COMPILE_CONFIGURATION)
elseif(CMAKE_BUILD_TYPE)
set(CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_BUILD_TYPE})
endif()
endif()
# Side-by-side subprojects layout: automatically set the
# LLVM_EXTERNAL_${project}_SOURCE_DIR using LLVM_ALL_PROJECTS
# This allows an easy way of setting up a build directory for llvm and another
# one for llvm+clang+... using the same sources.
set(LLVM_ALL_PROJECTS "bolt;clang;clang-tools-extra;compiler-rt;cross-project-tests;libc;libclc;lld;lldb;mlir;openmp;polly;pstl")
# The flang project is not yet part of "all" projects (see C++ requirements)
set(LLVM_EXTRA_PROJECTS "flang")
# List of all known projects in the mono repo
set(LLVM_KNOWN_PROJECTS "${LLVM_ALL_PROJECTS};${LLVM_EXTRA_PROJECTS}")
set(LLVM_ENABLE_PROJECTS "" CACHE STRING
"Semicolon-separated list of projects to build (${LLVM_KNOWN_PROJECTS}), or \"all\".")
# Make sure expansion happens first to not handle "all" in rest of the checks.
if( LLVM_ENABLE_PROJECTS STREQUAL "all" )
set( LLVM_ENABLE_PROJECTS ${LLVM_ALL_PROJECTS})
endif()
foreach(proj ${LLVM_ENABLE_PROJECTS})
if (NOT proj STREQUAL "llvm" AND NOT "${proj}" IN_LIST LLVM_KNOWN_PROJECTS)
MESSAGE(FATAL_ERROR "${proj} isn't a known project: ${LLVM_KNOWN_PROJECTS}. Did you mean to enable it as a runtime in LLVM_ENABLE_RUNTIMES?")
endif()
endforeach()
if ("flang" IN_LIST LLVM_ENABLE_PROJECTS)
if (NOT "mlir" IN_LIST LLVM_ENABLE_PROJECTS)
message(STATUS "Enabling MLIR as a dependency to flang")
list(APPEND LLVM_ENABLE_PROJECTS "mlir")
endif()
if (NOT "clang" IN_LIST LLVM_ENABLE_PROJECTS)
message(FATAL_ERROR "Clang is not enabled, but is required for the Flang driver")
endif()
endif()
# Select the runtimes to build
#
# As we migrate runtimes to using the bootstrapping build, the set of default runtimes
# should grow as we remove those runtimes from LLVM_ENABLE_PROJECTS above.
set(LLVM_DEFAULT_RUNTIMES "libcxx;libcxxabi;libunwind")
set(LLVM_SUPPORTED_RUNTIMES "libc;libunwind;libcxxabi;pstl;libcxx;compiler-rt;openmp;llvm-libgcc")
set(LLVM_ENABLE_RUNTIMES "" CACHE STRING
"Semicolon-separated list of runtimes to build, or \"all\" (${LLVM_DEFAULT_RUNTIMES}). Supported runtimes are ${LLVM_SUPPORTED_RUNTIMES}.")
if(LLVM_ENABLE_RUNTIMES STREQUAL "all")
set(LLVM_ENABLE_RUNTIMES ${LLVM_DEFAULT_RUNTIMES})
endif()
foreach(proj IN LISTS LLVM_ENABLE_RUNTIMES)
if (NOT "${proj}" IN_LIST LLVM_SUPPORTED_RUNTIMES)
message(FATAL_ERROR "Runtime \"${proj}\" is not a supported runtime. Supported runtimes are: ${LLVM_SUPPORTED_RUNTIMES}")
endif()
endforeach()
# LLVM_ENABLE_PROJECTS_USED is `ON` if the user has ever used the
# `LLVM_ENABLE_PROJECTS` CMake cache variable. This exists for
# several reasons:
#
# * As an indicator that the `LLVM_ENABLE_PROJECTS` list is now the single
# source of truth for which projects to build. This means we will ignore user
# supplied `LLVM_TOOL_<project>_BUILD` CMake cache variables and overwrite
# them.
#
# * The case where the user previously had `LLVM_ENABLE_PROJECTS` set to a
# non-empty list but now the user wishes to disable building all other projects
# by setting `LLVM_ENABLE_PROJECTS` to an empty string. In that case we still
# need to set the `LLVM_TOOL_${upper_proj}_BUILD` variables so that we disable
# building all the projects that were previously enabled.
set(LLVM_ENABLE_PROJECTS_USED OFF CACHE BOOL "")
mark_as_advanced(LLVM_ENABLE_PROJECTS_USED)
if (LLVM_ENABLE_PROJECTS_USED OR NOT LLVM_ENABLE_PROJECTS STREQUAL "")
set(LLVM_ENABLE_PROJECTS_USED ON CACHE BOOL "" FORCE)
foreach(proj ${LLVM_KNOWN_PROJECTS} ${LLVM_EXTERNAL_PROJECTS})
string(TOUPPER "${proj}" upper_proj)
string(REGEX REPLACE "-" "_" upper_proj ${upper_proj})
if ("${proj}" IN_LIST LLVM_ENABLE_PROJECTS)
message(STATUS "${proj} project is enabled")
set(SHOULD_ENABLE_PROJECT TRUE)
set(PROJ_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}")
if(NOT EXISTS "${PROJ_DIR}" OR NOT IS_DIRECTORY "${PROJ_DIR}")
message(FATAL_ERROR "LLVM_ENABLE_PROJECTS requests ${proj} but directory not found: ${PROJ_DIR}")
endif()
if( LLVM_EXTERNAL_${upper_proj}_SOURCE_DIR STREQUAL "" )
set(LLVM_EXTERNAL_${upper_proj}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}" CACHE PATH "" FORCE)
else()
set(LLVM_EXTERNAL_${upper_proj}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}" CACHE PATH "")
endif()
elseif ("${proj}" IN_LIST LLVM_EXTERNAL_PROJECTS)
message(STATUS "${proj} project is enabled")
set(SHOULD_ENABLE_PROJECT TRUE)
else()
message(STATUS "${proj} project is disabled")
set(SHOULD_ENABLE_PROJECT FALSE)
endif()
# Force `LLVM_TOOL_${upper_proj}_BUILD` variables to have values that
# corresponds with `LLVM_ENABLE_PROJECTS`. This prevents the user setting
# `LLVM_TOOL_${upper_proj}_BUILD` variables externally. At some point
# we should deprecate allowing users to set these variables by turning them
# into normal CMake variables rather than cache variables.
set(LLVM_TOOL_${upper_proj}_BUILD
${SHOULD_ENABLE_PROJECT}
CACHE
BOOL "Whether to build ${upper_proj} as part of LLVM" FORCE
)
endforeach()
endif()
unset(SHOULD_ENABLE_PROJECT)
# Build llvm with ccache if the package is present
set(LLVM_CCACHE_BUILD OFF CACHE BOOL "Set to ON for a ccache enabled build")
if(LLVM_CCACHE_BUILD)
find_program(CCACHE_PROGRAM ccache)
if(CCACHE_PROGRAM)
set(LLVM_CCACHE_MAXSIZE "" CACHE STRING "Size of ccache")
set(LLVM_CCACHE_DIR "" CACHE STRING "Directory to keep ccached data")
set(LLVM_CCACHE_PARAMS "CCACHE_CPP2=yes CCACHE_HASHDIR=yes"
CACHE STRING "Parameters to pass through to ccache")
if(NOT CMAKE_SYSTEM_NAME MATCHES "Windows")
set(CCACHE_PROGRAM "${LLVM_CCACHE_PARAMS} ${CCACHE_PROGRAM}")
if (LLVM_CCACHE_MAXSIZE)
set(CCACHE_PROGRAM "CCACHE_MAXSIZE=${LLVM_CCACHE_MAXSIZE} ${CCACHE_PROGRAM}")
endif()
if (LLVM_CCACHE_DIR)
set(CCACHE_PROGRAM "CCACHE_DIR=${LLVM_CCACHE_DIR} ${CCACHE_PROGRAM}")
endif()
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PROGRAM})
else()
if(LLVM_CCACHE_MAXSIZE OR LLVM_CCACHE_DIR OR
NOT LLVM_CCACHE_PARAMS MATCHES "CCACHE_CPP2=yes CCACHE_HASHDIR=yes")
message(FATAL_ERROR "Ccache configuration through CMake is not supported on Windows. Please use environment variables.")
endif()
# RULE_LAUNCH_COMPILE should work with Ninja but currently has issues
# with cmd.exe and some MSVC tools other than cl.exe
set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE_PROGRAM})
set(CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE_PROGRAM})
endif()
else()
message(FATAL_ERROR "Unable to find the program ccache. Set LLVM_CCACHE_BUILD to OFF")
endif()
endif()
set(LLVM_EXTERNAL_PROJECT_BUILD_TOOL_ARGS "" CACHE STRING
"Optional arguments for the native tool used in CMake --build invocations for external projects.")
mark_as_advanced(LLVM_EXTERNAL_PROJECT_BUILD_TOOL_ARGS)
option(LLVM_DEPENDENCY_DEBUGGING "Dependency debugging mode to verify correctly expressed library dependencies (Darwin only)" OFF)
# Some features of the LLVM build may be disallowed when dependency debugging is
# enabled. In particular you cannot use ccache because we want to force compile
# operations to always happen.
if(LLVM_DEPENDENCY_DEBUGGING)
if(NOT CMAKE_HOST_APPLE)
message(FATAL_ERROR "Dependency debugging is only currently supported on Darwin hosts.")
endif()
if(LLVM_CCACHE_BUILD)
message(FATAL_ERROR "Cannot enable dependency debugging while using ccache.")
endif()
endif()
option(LLVM_ENABLE_DAGISEL_COV "Debug: Prints tablegen patterns that were used for selecting" OFF)
option(LLVM_ENABLE_GISEL_COV "Enable collection of GlobalISel rule coverage" OFF)
if(LLVM_ENABLE_GISEL_COV)
set(LLVM_GISEL_COV_PREFIX "${CMAKE_BINARY_DIR}/gisel-coverage-" CACHE STRING "Provide a filename prefix to collect the GlobalISel rule coverage")
endif()
# Add path for custom modules
list(INSERT CMAKE_MODULE_PATH 0
"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
"${LLVM_COMMON_CMAKE_UTILS}/Modules"
)
# Generate a CompilationDatabase (compile_commands.json file) for our build,
# for use by clang_complete, YouCompleteMe, etc.
set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
option(LLVM_INSTALL_BINUTILS_SYMLINKS
"Install symlinks from the binutils tool names to the corresponding LLVM tools." OFF)
option(LLVM_INSTALL_CCTOOLS_SYMLINKS
"Install symlinks from the cctools tool names to the corresponding LLVM tools." OFF)
# By default we use symlinks on Unix platforms and copy binaries on Windows
# If you have the correct setup on Windows you can use this option to enable
# symlinks and save a lot of diskspace.
option(LLVM_USE_SYMLINKS "Use symlinks instead of copying binaries" ${CMAKE_HOST_UNIX})
option(LLVM_INSTALL_UTILS "Include utility binaries in the 'install' target." OFF)
option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
# Unfortunatly Clang is too eager to search directories for module maps, which can cause the
# installed version of the maps to be found when building LLVM from source. Therefore we turn off
# the installation by default. See llvm.org/PR31905.
option(LLVM_INSTALL_MODULEMAPS "Install the modulemap files in the 'install' target." OFF)
option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
if ( LLVM_USE_FOLDERS )
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
endif()
include(VersionFromVCS)
option(LLVM_APPEND_VC_REV
"Embed the version control system revision in LLVM" ON)
option(LLVM_TOOL_LLVM_DRIVER_BUILD "Enables building the llvm multicall tool" OFF)
set(PACKAGE_NAME LLVM)
set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
set(PACKAGE_BUGREPORT "https://github.com/llvm/llvm-project/issues/")
set(BUG_REPORT_URL "${PACKAGE_BUGREPORT}" CACHE STRING
"Default URL where bug reports are to be submitted.")
# Configure CPack.
if(NOT DEFINED CPACK_PACKAGE_INSTALL_DIRECTORY)
set(CPACK_PACKAGE_INSTALL_DIRECTORY "LLVM")
endif()
if(NOT DEFINED CPACK_PACKAGE_VENDOR)
set(CPACK_PACKAGE_VENDOR "LLVM")
endif()
set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
set(CPACK_PACKAGE_VERSION_PATCH ${LLVM_VERSION_PATCH})
set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION})
set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
if(WIN32 AND NOT UNIX)
set(CPACK_NSIS_COMPRESSOR "/SOLID lzma \r\n SetCompressorDictSize 32")
if(NOT DEFINED CPACK_PACKAGE_INSTALL_REGISTRY_KEY)
set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM")
endif()
set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp")
set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
set(CPACK_NSIS_MUI_UNIICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
set(CPACK_NSIS_MODIFY_PATH "ON")
set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON")
if( CMAKE_CL_64 )
if(NOT DEFINED CPACK_NSIS_INSTALL_ROOT)
set(CPACK_NSIS_INSTALL_ROOT "$PROGRAMFILES64")
endif()
endif()
endif()
include(CPack)
# Sanity check our source directory to make sure that we are not trying to
# generate an in-source build (unless on MSVC_IDE, where it is ok), and to make
# sure that we don't have any stray generated files lying around in the tree
# (which would end up getting picked up by header search, instead of the correct
# versions).
if( CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR AND NOT MSVC_IDE )
message(FATAL_ERROR "In-source builds are not allowed.
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()
string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
if (CMAKE_BUILD_TYPE AND
NOT uppercase_CMAKE_BUILD_TYPE MATCHES "^(DEBUG|RELEASE|RELWITHDEBINFO|MINSIZEREL)$")
message(FATAL_ERROR "Invalid value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
endif()
# LLVM_INSTALL_PACKAGE_DIR needs to be declared prior to adding the tools
# subdirectory in order to have the value available for llvm-config.
include(GNUInstallPackageDir)
set(LLVM_INSTALL_PACKAGE_DIR "${CMAKE_INSTALL_PACKAGEDIR}/llvm" CACHE STRING
"Path for CMake subdirectory for LLVM (defaults to '${CMAKE_INSTALL_PACKAGEDIR}/llvm')")
set(LLVM_TOOLS_INSTALL_DIR "${CMAKE_INSTALL_BINDIR}" CACHE STRING
"Path for binary subdirectory (defaults to '${CMAKE_INSTALL_BINDIR}')")
mark_as_advanced(LLVM_TOOLS_INSTALL_DIR)
set(LLVM_UTILS_INSTALL_DIR "${LLVM_TOOLS_INSTALL_DIR}" CACHE STRING
"Path to install LLVM utilities (enabled by LLVM_INSTALL_UTILS=ON) (defaults to LLVM_TOOLS_INSTALL_DIR)")
mark_as_advanced(LLVM_UTILS_INSTALL_DIR)
set(LLVM_EXAMPLES_INSTALL_DIR "examples" CACHE STRING
"Path for examples subdirectory (enabled by LLVM_BUILD_EXAMPLES=ON) (defaults to 'examples')")
mark_as_advanced(LLVM_EXAMPLES_INSTALL_DIR)
# They are used as destination of target generators.
set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
if(WIN32 OR CYGWIN)
# DLL platform -- put DLLs into bin.
set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
else()
set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
endif()
# Each of them corresponds to llvm-config's.
set(LLVM_TOOLS_BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) # --bindir
set(LLVM_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) # --libdir
set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR} ) # --src-root
set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir
set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR} ) # --prefix
# Note: LLVM_CMAKE_DIR does not include generated files
set(LLVM_CMAKE_DIR ${LLVM_MAIN_SRC_DIR}/cmake/modules)
set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
# List of all targets to be built by default:
set(LLVM_ALL_TARGETS
AArch64
AMDGPU
ARM
AVR
BPF
Hexagon
Lanai
Mips
MSP430
NVPTX
PowerPC
RISCV
Sparc
SystemZ
VE
WebAssembly
X86
XCore
)
# List of targets with JIT support:
set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
set(LLVM_TARGETS_TO_BUILD "all"
CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
CACHE STRING "Semicolon-separated list of experimental targets to build.")
option(BUILD_SHARED_LIBS
"Build all libraries as shared libraries instead of static" OFF)
option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
if(LLVM_ENABLE_BACKTRACES)
set(ENABLE_BACKTRACES 1)
endif()
option(LLVM_ENABLE_UNWIND_TABLES "Emit unwind tables for the libraries" ON)
option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON)
if(LLVM_ENABLE_CRASH_OVERRIDES)
set(ENABLE_CRASH_OVERRIDES 1)
endif()
option(LLVM_ENABLE_CRASH_DUMPS "Turn on memory dumps on crashes. Currently only implemented on Windows." OFF)
set(WINDOWS_PREFER_FORWARD_SLASH_DEFAULT OFF)
if (MINGW)
# Cygwin doesn't identify itself as Windows, and thus gets path::Style::posix
# as native path style, regardless of what this is set to.
set(WINDOWS_PREFER_FORWARD_SLASH_DEFAULT ON)
endif()
option(LLVM_WINDOWS_PREFER_FORWARD_SLASH "Prefer path names with forward slashes on Windows." ${WINDOWS_PREFER_FORWARD_SLASH_DEFAULT})
option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
set(LLVM_TARGET_ARCH "host"
CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
set(LLVM_ENABLE_LIBXML2 "ON" CACHE STRING "Use libxml2 if available. Can be ON, OFF, or FORCE_ON")
option(LLVM_ENABLE_LIBEDIT "Use libedit if available." ON)
option(LLVM_ENABLE_LIBPFM "Use libpfm for performance counters if available." ON)
# On z/OS, threads cannot be used because TLS is not supported.
if (CMAKE_SYSTEM_NAME MATCHES "OS390")
option(LLVM_ENABLE_THREADS "Use threads if available." OFF)
else()
option(LLVM_ENABLE_THREADS "Use threads if available." ON)
endif()
set(LLVM_ENABLE_ZLIB "ON" CACHE STRING "Use zlib for compression/decompression if available. Can be ON, OFF, or FORCE_ON")
set(LLVM_ENABLE_ZSTD "ON" CACHE STRING "Use zstd for compression/decompression if available. Can be ON, OFF, or FORCE_ON")
set(LLVM_USE_STATIC_ZSTD FALSE CACHE BOOL "Use static version of zstd. Can be TRUE, FALSE")
set(LLVM_ENABLE_CURL "OFF" CACHE STRING "Use libcurl for the HTTP client if available. Can be ON, OFF, or FORCE_ON")
set(LLVM_ENABLE_HTTPLIB "OFF" CACHE STRING "Use cpp-httplib HTTP server library if available. Can be ON, OFF, or FORCE_ON")
set(LLVM_Z3_INSTALL_DIR "" CACHE STRING "Install directory of the Z3 solver.")
option(LLVM_ENABLE_Z3_SOLVER
"Enable Support for the Z3 constraint solver in LLVM."
${LLVM_ENABLE_Z3_SOLVER_DEFAULT}
)
if (LLVM_ENABLE_Z3_SOLVER)
find_package(Z3 4.7.1)
if (LLVM_Z3_INSTALL_DIR)
if (NOT Z3_FOUND)
message(FATAL_ERROR "Z3 >= 4.7.1 has not been found in LLVM_Z3_INSTALL_DIR: ${LLVM_Z3_INSTALL_DIR}.")
endif()
endif()
if (NOT Z3_FOUND)
message(FATAL_ERROR "LLVM_ENABLE_Z3_SOLVER cannot be enabled when Z3 is not available.")
endif()
set(LLVM_WITH_Z3 1)
endif()
set(LLVM_ENABLE_Z3_SOLVER_DEFAULT "${Z3_FOUND}")
if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
endif()
set(LLVM_TARGETS_TO_BUILD
${LLVM_TARGETS_TO_BUILD}
${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." ON)
else()
option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." OFF)
endif()
option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." ON)
option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
option(LLVM_STATIC_LINK_CXX_STDLIB "Statically link the standard library." OFF)
option(LLVM_ENABLE_LLD "Use lld as C and C++ linker." OFF)
option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
option(LLVM_ENABLE_DUMP "Enable dump functions even when assertions are disabled" OFF)
option(LLVM_UNREACHABLE_OPTIMIZE "Optimize llvm_unreachable() as undefined behavior (default), guaranteed trap when OFF" ON)
if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
else()
option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
endif()
option(LLVM_ENABLE_EXPENSIVE_CHECKS "Enable expensive checks" OFF)
# While adding scalable vector support to LLVM, we temporarily want to
# allow an implicit conversion of TypeSize to uint64_t, and to allow
# code to get the fixed number of elements from a possibly scalable vector.
# This CMake flag enables a more strict mode where it asserts that the type
# is not a scalable vector type.
#
# Enabling this flag makes it easier to find cases where the compiler makes
# assumptions on the size being 'fixed size', when building tests for
# SVE/SVE2 or other scalable vector architectures.
option(LLVM_ENABLE_STRICT_FIXED_SIZE_VECTORS
"Enable assertions that type is not scalable in implicit conversion from TypeSize to uint64_t and calls to getNumElements" OFF)
set(LLVM_ABI_BREAKING_CHECKS "WITH_ASSERTS" CACHE STRING
"Enable abi-breaking checks. Can be WITH_ASSERTS, FORCE_ON or FORCE_OFF.")
option(LLVM_FORCE_USE_OLD_TOOLCHAIN
"Set to ON to force using an old, unsupported host toolchain." OFF)
set(LLVM_LOCAL_RPATH "" CACHE FILEPATH
"If set, an absolute path added as rpath on binaries that do not already contain an executable-relative rpath.")
option(LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN
"Set to ON to only warn when using a toolchain which is about to be deprecated, instead of emitting an error." OFF)
option(LLVM_USE_INTEL_JITEVENTS
"Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
OFF)
if( LLVM_USE_INTEL_JITEVENTS )
# Verify we are on a supported platform
if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
message(FATAL_ERROR
"Intel JIT API support is available on Linux and Windows only.")
endif()
endif( LLVM_USE_INTEL_JITEVENTS )
option(LLVM_USE_OPROFILE
"Use opagent JIT interface to inform OProfile about JIT code" OFF)
option(LLVM_EXTERNALIZE_DEBUGINFO
"Generate dSYM files and strip executables and libraries (Darwin Only)" OFF)
set(LLVM_CODESIGNING_IDENTITY "" CACHE STRING
"Sign executables and dylibs with the given identity or skip if empty (Darwin Only)")
# If enabled, verify we are on a platform that supports oprofile.
if( LLVM_USE_OPROFILE )
if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
message(FATAL_ERROR "OProfile support is available on Linux only.")
endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
endif( LLVM_USE_OPROFILE )
option(LLVM_USE_PERF
"Use perf JIT interface to inform perf about JIT code" OFF)
# If enabled, verify we are on a platform that supports perf.
if( LLVM_USE_PERF )
if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
message(FATAL_ERROR "perf support is available on Linux only.")
endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
endif( LLVM_USE_PERF )
set(LLVM_USE_SANITIZER "" CACHE STRING
"Define the sanitizer used to build binaries and tests.")
option(LLVM_OPTIMIZE_SANITIZED_BUILDS "Pass -O1 on debug sanitizer builds" ON)
set(LLVM_UBSAN_FLAGS
"-fsanitize=undefined -fno-sanitize=vptr,function -fno-sanitize-recover=all"
CACHE STRING
"Compile flags set to enable UBSan. Only used if LLVM_USE_SANITIZER contains 'Undefined'.")
set(LLVM_LIB_FUZZING_ENGINE "" CACHE PATH
"Path to fuzzing library for linking with fuzz targets")
option(LLVM_USE_SPLIT_DWARF
"Use -gsplit-dwarf when compiling llvm and --gdb-index when linking." OFF)
# Define an option controlling whether we should build for 32-bit on 64-bit
# platforms, where supported.
if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT (WIN32 OR ${CMAKE_SYSTEM_NAME} MATCHES "AIX"))
# TODO: support other platforms and toolchains.
option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
endif()
# Define the default arguments to use with 'lit', and an option for the user to
# override.
set(LIT_ARGS_DEFAULT "-sv")
if (MSVC_IDE OR XCODE)
set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
endif()
set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
# 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()
set(LLVM_INTEGRATED_CRT_ALLOC "" CACHE PATH "Replace the Windows CRT allocator with any of {rpmalloc|mimalloc|snmalloc}. Only works with /MT enabled.")
if(LLVM_INTEGRATED_CRT_ALLOC)
if(NOT WIN32)
message(FATAL_ERROR "LLVM_INTEGRATED_CRT_ALLOC is only supported on Windows.")
endif()
if(LLVM_USE_SANITIZER)
message(FATAL_ERROR "LLVM_INTEGRATED_CRT_ALLOC cannot be used along with LLVM_USE_SANITIZER!")
endif()
if(CMAKE_BUILD_TYPE AND uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
message(FATAL_ERROR "The Debug target isn't supported along with LLVM_INTEGRATED_CRT_ALLOC!")
endif()
endif()
# Define options to control the inclusion and default build behavior for
# components which may not strictly be necessary (tools, examples, and tests).
#
# This is primarily to support building smaller or faster project files.
option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
option(LLVM_BUILD_TOOLS
"Build the LLVM tools. If OFF, just generate build targets." ON)
option(LLVM_INCLUDE_UTILS "Generate build targets for the LLVM utils." ON)
option(LLVM_BUILD_UTILS
"Build LLVM utility binaries. If OFF, just generate build targets." ON)
option(LLVM_INCLUDE_RUNTIMES "Generate build targets for the LLVM runtimes." ON)
option(LLVM_BUILD_RUNTIMES
"Build the LLVM runtimes. If OFF, just generate build targets." ON)
option(LLVM_BUILD_RUNTIME
"Build the LLVM runtime libraries." ON)
option(LLVM_BUILD_EXAMPLES
"Build the LLVM example programs. If OFF, just generate build targets." OFF)
option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
if(LLVM_BUILD_EXAMPLES)
add_definitions(-DBUILD_EXAMPLES)
endif(LLVM_BUILD_EXAMPLES)
option(LLVM_BUILD_TESTS
"Build LLVM unit tests. If OFF, just generate build targets." OFF)
option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
option(LLVM_BUILD_BENCHMARKS "Add LLVM benchmark targets to the list of default
targets. If OFF, benchmarks still could be built using Benchmarks target." OFF)
option(LLVM_INCLUDE_BENCHMARKS "Generate benchmark targets. If OFF, benchmarks can't be built." ON)
option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF)
option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
option (LLVM_ENABLE_OCAMLDOC "Build OCaml bindings documentation." ON)
option (LLVM_ENABLE_BINDINGS "Build bindings." ON)
set(LLVM_INSTALL_DOXYGEN_HTML_DIR "${CMAKE_INSTALL_DOCDIR}/llvm/doxygen-html"
CACHE STRING "Doxygen-generated HTML documentation install directory")
set(LLVM_INSTALL_OCAMLDOC_HTML_DIR "${CMAKE_INSTALL_DOCDIR}/llvm/ocaml-html"
CACHE STRING "OCamldoc-generated HTML documentation install directory")
option (LLVM_BUILD_EXTERNAL_COMPILER_RT
"Build compiler-rt as an external project." OFF)
option (LLVM_VERSION_PRINTER_SHOW_HOST_TARGET_INFO
"Show target and host info when tools are invoked with --version." ON)
# You can configure which libraries from LLVM you want to include in the
# shared library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited
# list of LLVM components. All component names handled by llvm-config are valid.
if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
set(LLVM_DYLIB_COMPONENTS "all" CACHE STRING
"Semicolon-separated list of components to include in libLLVM, or \"all\".")
endif()
if(MSVC)
option(LLVM_BUILD_LLVM_C_DYLIB "Build LLVM-C.dll (Windows only)" ON)
# Set this variable to OFF here so it can't be set with a command-line
# argument.
set (LLVM_LINK_LLVM_DYLIB OFF)
if (BUILD_SHARED_LIBS)
message(FATAL_ERROR "BUILD_SHARED_LIBS options is not supported on Windows.")
endif()
else()
option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF)
option(LLVM_BUILD_LLVM_C_DYLIB "Build libllvm-c re-export library (Darwin only)" OFF)
set(LLVM_BUILD_LLVM_DYLIB_default OFF)
if(LLVM_LINK_LLVM_DYLIB OR LLVM_BUILD_LLVM_C_DYLIB)
set(LLVM_BUILD_LLVM_DYLIB_default ON)
endif()
option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_BUILD_LLVM_DYLIB_default})
endif()
if (LLVM_LINK_LLVM_DYLIB AND BUILD_SHARED_LIBS)
message(FATAL_ERROR "Cannot enable BUILD_SHARED_LIBS with LLVM_LINK_LLVM_DYLIB. We recommend disabling BUILD_SHARED_LIBS.")
endif()
option(LLVM_OPTIMIZED_TABLEGEN "Force TableGen to be built with optimization" OFF)
if(CMAKE_CROSSCOMPILING OR (LLVM_OPTIMIZED_TABLEGEN AND (LLVM_ENABLE_ASSERTIONS OR CMAKE_CONFIGURATION_TYPES)))
set(LLVM_USE_HOST_TOOLS ON)
endif()
option(LLVM_OMIT_DAGISEL_COMMENTS "Do not add comments to DAG ISel" ON)
if (CMAKE_BUILD_TYPE AND uppercase_CMAKE_BUILD_TYPE MATCHES "^(RELWITHDEBINFO|DEBUG)$")
set(LLVM_OMIT_DAGISEL_COMMENTS OFF)
endif()
if (MSVC_IDE)
option(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION "Configure project to use Visual Studio native visualizers" TRUE)
endif()
if (LLVM_BUILD_INSTRUMENTED OR LLVM_BUILD_INSTRUMENTED_COVERAGE OR
LLVM_ENABLE_IR_PGO)
if(NOT LLVM_PROFILE_MERGE_POOL_SIZE)
# A pool size of 1-2 is probably sufficient on a SSD. 3-4 should be fine
# for spining disks. Anything higher may only help on slower mediums.
set(LLVM_PROFILE_MERGE_POOL_SIZE "4")
endif()
if(NOT LLVM_PROFILE_FILE_PATTERN)
if(NOT LLVM_PROFILE_DATA_DIR)
file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/profiles" LLVM_PROFILE_DATA_DIR)
endif()
file(TO_NATIVE_PATH "${LLVM_PROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
endif()
if(NOT LLVM_CSPROFILE_FILE_PATTERN)
if(NOT LLVM_CSPROFILE_DATA_DIR)
file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/csprofiles" LLVM_CSPROFILE_DATA_DIR)
endif()
file(TO_NATIVE_PATH "${LLVM_CSPROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_CSPROFILE_FILE_PATTERN)
endif()
endif()
if (LLVM_BUILD_STATIC)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
# Remove shared library suffixes from use in find_library
foreach (shared_lib_suffix ${CMAKE_SHARED_LIBRARY_SUFFIX} ${CMAKE_IMPORT_LIBRARY_SUFFIX})
list(FIND CMAKE_FIND_LIBRARY_SUFFIXES ${shared_lib_suffix} shared_lib_suffix_idx)
if(NOT ${shared_lib_suffix_idx} EQUAL -1)
list(REMOVE_AT CMAKE_FIND_LIBRARY_SUFFIXES ${shared_lib_suffix_idx})
endif()
endforeach()
endif()
# Use libtool instead of ar if you are both on an Apple host, and targeting Apple.
if(CMAKE_HOST_APPLE AND APPLE)
include(UseLibtool)
endif()
# Override the default target with an environment variable named by LLVM_TARGET_TRIPLE_ENV.
set(LLVM_TARGET_TRIPLE_ENV CACHE STRING "The name of environment variable to override default target. Disabled by blank.")
mark_as_advanced(LLVM_TARGET_TRIPLE_ENV)
# Per target dir not yet supported on Arm 32 bit due to arm vs armhf handling
if(CMAKE_SYSTEM_NAME MATCHES "BSD|Linux" AND NOT CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default ON)
else()
set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default OFF)
endif()
set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR ${LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default} CACHE BOOL
"Enable per-target runtimes directory")
set(LLVM_PROFDATA_FILE "" CACHE FILEPATH
"Profiling data file to use when compiling in order to improve runtime performance.")
if(LLVM_INCLUDE_TESTS)
# Lit test suite requires at least python 3.6
set(LLVM_MINIMUM_PYTHON_VERSION 3.6)
else()
# FIXME: it is unknown if this is the actual minimum bound
set(LLVM_MINIMUM_PYTHON_VERSION 3.0)
endif()
# Find python before including config-ix, since it needs to be able to search
# for python modules.
find_package(Python3 ${LLVM_MINIMUM_PYTHON_VERSION} REQUIRED
COMPONENTS Interpreter)
# All options referred to from HandleLLVMOptions have to be specified
# BEFORE this include, otherwise options will not be correctly set on
# first cmake run
include(config-ix)
# By default, we target the host, but this can be overridden at CMake
# invocation time. Except on 64-bit AIX, where the system toolchain
# expect 32-bit objects by default.
if("${LLVM_HOST_TRIPLE}" MATCHES "^powerpc64-ibm-aix")
string(REGEX REPLACE "^powerpc64" "powerpc" LLVM_DEFAULT_TARGET_TRIPLE_default "${LLVM_HOST_TRIPLE}")
else()
# Only set default triple when native target is enabled.
if (LLVM_NATIVE_TARGET)
set(LLVM_DEFAULT_TARGET_TRIPLE_default "${LLVM_HOST_TRIPLE}")
endif()
endif()
include(SetTargetTriple)
set_llvm_target_triple()
if(WIN32 OR CYGWIN)
if(BUILD_SHARED_LIBS OR LLVM_BUILD_LLVM_DYLIB)
set(LLVM_ENABLE_PLUGINS_default ON)
else()
set(LLVM_ENABLE_PLUGINS_default OFF)
endif()
else()
set(LLVM_ENABLE_PLUGINS_default ${LLVM_ENABLE_PIC})
endif()
option(LLVM_ENABLE_PLUGINS "Enable plugin support" ${LLVM_ENABLE_PLUGINS_default})
set(LLVM_ENABLE_NEW_PASS_MANAGER TRUE CACHE BOOL
"Enable the new pass manager by default.")
if(NOT LLVM_ENABLE_NEW_PASS_MANAGER)
message(FATAL_ERROR "Enabling the legacy pass manager on the cmake level is"
" no longer supported.")
endif()
include(HandleLLVMOptions)
######
# Configure all of the various header file fragments LLVM uses which depend on
# configuration variables.
set(LLVM_ENUM_TARGETS "")
set(LLVM_ENUM_ASM_PRINTERS "")
set(LLVM_ENUM_ASM_PARSERS "")
set(LLVM_ENUM_DISASSEMBLERS "")
set(LLVM_ENUM_TARGETMCAS "")
set(LLVM_ENUM_EXEGESIS "")
foreach(t ${LLVM_TARGETS_TO_BUILD})
set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
list(FIND LLVM_ALL_TARGETS ${t} idx)
list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
# At this point, LLVMBUILDTOOL already checked all the targets passed in
# LLVM_TARGETS_TO_BUILD and LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, so
# this test just makes sure that any experimental targets were passed via
# LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, not LLVM_TARGETS_TO_BUILD.
if( idx LESS 0 AND idy LESS 0 )
message(FATAL_ERROR "The target `${t}' is experimental and must be passed "
"via LLVM_EXPERIMENTAL_TARGETS_TO_BUILD.")
else()
set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
endif()
file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
if( asmp_file )
set(LLVM_ENUM_ASM_PRINTERS
"${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
endif()
if( EXISTS ${td}/AsmParser/CMakeLists.txt )
set(LLVM_ENUM_ASM_PARSERS
"${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
endif()
if( EXISTS ${td}/Disassembler/CMakeLists.txt )
set(LLVM_ENUM_DISASSEMBLERS
"${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
endif()
if( EXISTS ${td}/MCA/CMakeLists.txt )
set(LLVM_ENUM_TARGETMCAS
"${LLVM_ENUM_TARGETMCAS}LLVM_TARGETMCA(${t})\n")
endif()
if( EXISTS ${LLVM_MAIN_SRC_DIR}/tools/llvm-exegesis/lib/${t}/CMakeLists.txt )
set(LLVM_ENUM_EXEGESIS
"${LLVM_ENUM_EXEGESIS}LLVM_EXEGESIS(${t})\n")
endif()
endforeach(t)
# Provide an LLVM_ namespaced alias for use in #cmakedefine.
set(LLVM_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
# Produce the target definition files, which provide a way for clients to easily
# include various classes of targets.
configure_file(
${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def
)
configure_file(
${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def
)
configure_file(
${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def
)
configure_file(
${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
)
configure_file(
${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/TargetMCAs.def.in
${LLVM_INCLUDE_DIR}/llvm/Config/TargetMCAs.def
)
configure_file(
${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/TargetExegesis.def.in
${LLVM_INCLUDE_DIR}/llvm/Config/TargetExegesis.def
)
# They are not referenced. See set_output_directory().
set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_LIBRARY_DIR} )
set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_LIBRARY_DIR} )
if(LLVM_INCLUDE_TESTS)
include(GetErrcMessages)
get_errc_messages(LLVM_LIT_ERRC_MESSAGES)
endif()
# For up-to-date instructions for installing the TFLite dependency, refer to
# the bot setup script: https://github.com/google/ml-compiler-opt/blob/main/buildbot/buildbot_init.sh
set(LLVM_HAVE_TFLITE "" CACHE BOOL "Use tflite")
if (LLVM_HAVE_TFLITE)
find_package(protobuf REQUIRED)
find_package(tensorflow-lite REQUIRED)
set(LLVM_PROTOBUF_OUT_DIR ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/protobuf_gen)
include_directories(${LLVM_PROTOBUF_OUT_DIR})
endif()
# For up-to-date instructions for installing the Tensorflow dependency, refer to
# the bot setup script: https://github.com/google/ml-compiler-opt/blob/main/buildbot/buildbot_init.sh
# Specifically, assuming python3 is installed:
# python3 -m pip install --upgrade pip && python3 -m pip install --user tf_nightly==2.3.0.dev20200528
# Then set TENSORFLOW_AOT_PATH to the package install - usually it's ~/.local/lib/python3.7/site-packages/tensorflow
#
set(TENSORFLOW_AOT_PATH "" CACHE PATH "Path to TensorFlow pip install dir")
if (NOT TENSORFLOW_AOT_PATH STREQUAL "")
set(LLVM_HAVE_TF_AOT "ON" CACHE BOOL "Tensorflow AOT available")
set(TENSORFLOW_AOT_COMPILER
"${TENSORFLOW_AOT_PATH}/../../../../bin/saved_model_cli"
CACHE PATH "Path to the Tensorflow AOT compiler")
# This needs to happen to avoid clashing protobuf codegen when building both AOT and development mode.
# We plan to replace protobuf with a simpler alternative, so this will go away.
file(COPY ${TENSORFLOW_AOT_PATH}/include DESTINATION ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/tensorflow
NO_SOURCE_PERMISSIONS
PATTERN "google/*" EXCLUDE
PATTERN "*.pb.h" EXCLUDE)