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CMakeLists.txt
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# Copyright 2019 The IREE Authors
#
# Licensed under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
cmake_minimum_required(VERSION 3.21...3.24)
# LLVM requires CMP0116 for tblgen: https://reviews.llvm.org/D101083
# CMP0116: Ninja generators transform `DEPFILE`s from `add_custom_command()`
# New in CMake 3.20. https://cmake.org/cmake/help/latest/policy/CMP0116.html
set(CMAKE_POLICY_DEFAULT_CMP0116 OLD)
if(POLICY CMP0116)
cmake_policy(SET CMP0116 OLD)
endif()
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
project(IREE ASM C CXX)
set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)
# LLVM defines this as a CACHE property and uses a policy that causes the
# cache value to take precedence. This is causing us to mix 17/14 across
# the boundary.
# TODO: Remove this once the LLVM mechanism is updated. See:
# https://discourse.llvm.org/t/important-new-toolchain-requirements-to-build-llvm-will-most-likely-be-landing-within-a-week-prepare-your-buildbots/61447/9
set(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard to conform to" FORCE)
set(IREE_IDE_FOLDER IREE)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
if(MSVC)
enable_language(ASM_MASM)
else()
enable_language(ASM)
endif()
# Set the default CMake build type so some of the build type dependent setting
# in the submodules and functions (IREE assertion) can be set properly.
set(DEFAULT_CMAKE_BUILD_TYPE "Release")
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "No build type selected, default to ${DEFAULT_CMAKE_BUILD_TYPE}")
set(CMAKE_BUILD_TYPE "${DEFAULT_CMAKE_BUILD_TYPE}" CACHE STRING "Build type (default ${DEFAULT_CMAKE_BUILD_TYPE})" FORCE)
endif()
include(CMakeDependentOption)
#-------------------------------------------------------------------------------
# Project component configuration
#-------------------------------------------------------------------------------
option(IREE_ENABLE_RUNTIME_TRACING "Enables instrumented runtime tracing." OFF)
option(IREE_ENABLE_COMPILER_TRACING "Enables instrumented compiler tracing." OFF)
option(IREE_ENABLE_RENDERDOC_PROFILING "Enables profiling HAL devices with the RenderDoc tool." OFF)
option(IREE_ENABLE_THREADING "Builds IREE in with thread library support." ON)
option(IREE_ENABLE_CLANG_TIDY "Builds IREE in with clang tidy enabled on IREE's libraries." OFF)
set(IREE_TRACING_PROVIDER_DEFAULT "tracy" CACHE STRING "Default tracing implementation.")
set(IREE_TRACING_PROVIDER ${IREE_TRACING_PROVIDER_DEFAULT} CACHE STRING "Chooses which built-in tracing implementation is used when tracing is enabled.")
set(IREE_TRACING_PROVIDER_H "" CACHE STRING "Header file for custom tracing providers.")
set(IREE_TRACING_MODE_DEFAULT "2" CACHE STRING "Default tracing feature/verbosity mode. See iree/base/tracing.h for more.")
set(IREE_TRACING_MODE ${IREE_TRACING_MODE_DEFAULT} CACHE STRING "Tracing feature/verbosity mode. See iree/base/tracing.h for more.")
if(IREE_ENABLE_COMPILER_TRACING AND NOT IREE_ENABLE_RUNTIME_TRACING)
message(SEND_ERROR
"IREE_ENABLE_COMPILER_TRACING currently requires "
"-DIREE_ENABLE_RUNTIME_TRACING=ON")
endif()
# TODO(#8469): remove the dependency on cpuinfo entirely.
set(IREE_ENABLE_CPUINFO_DEFAULT ON)
if(CMAKE_SYSTEM_NAME MATCHES "Darwin|Emscripten|Windows|WindowsStore")
set(IREE_ENABLE_CPUINFO_DEFAULT OFF)
endif()
option(IREE_ENABLE_CPUINFO "Enables runtime use of cpuinfo for processor topology detection." ${IREE_ENABLE_CPUINFO_DEFAULT})
option(IREE_BUILD_COMPILER "Builds the IREE compiler." ON)
option(IREE_BUILD_TESTS "Builds IREE unit tests." ON)
option(IREE_BUILD_DOCS "Builds IREE documentation files." OFF)
option(IREE_BUILD_SAMPLES "Builds IREE sample projects." ON)
option(IREE_BUILD_PYTHON_BINDINGS "Builds the IREE python bindings" OFF)
option(IREE_BUILD_TRACY "Enables building the 'iree-tracy-capture' CLI tool and includes it in runtime Python bindings." OFF)
option(IREE_BUILD_BUNDLED_LLVM "Builds the bundled llvm-project (vs using installed)" ON)
# Properties controlling version and naming of release artifacts.
set(IREE_RELEASE_PACKAGE_SUFFIX "" CACHE STRING "Suffix to append to distributed package names")
set(IREE_RELEASE_VERSION "0.1a1" CACHE STRING "Version to embed in distributed packages")
set(IREE_RELEASE_REVISION "HEAD" CACHE STRING "Version control revision information to embed in distributed packages")
option(IREE_EMBEDDED_RELEASE_INFO "Embed the IREE version information in built artifacts." OFF)
# Using already built host binaries, such as for cross-compilation.
set(IREE_HOST_BIN_DIR_DEFAULT "")
if(IREE_HOST_BINARY_ROOT)
message(WARNING "IREE_HOST_BINARY_ROOT is deprecated. Use IREE_HOST_BIN_DIR"
" pointing directly to the directory containing binaries"
" instead.")
set(IREE_HOST_BIN_DIR_DEFAULT "${IREE_HOST_BINARY_ROOT}/bin")
endif()
set(IREE_HOST_BIN_DIR "${IREE_HOST_BIN_DIR_DEFAULT}" CACHE STRING "Path to directory containing IREE binary tools to use instead of building them from source.")
option(IREE_BUILD_BINDINGS_TFLITE "Builds the IREE TFLite C API compatibility shim" ON)
option(IREE_BUILD_BINDINGS_TFLITE_JAVA "Builds the IREE TFLite Java bindings with the C API compatibility shim" ON)
option(IREE_BUILD_ALL_CHECK_TEST_MODULES "Builds all modules for iree_check_test, regardless of which would be tested" ON)
option(IREE_ENABLE_COLLECTIVE_RUNTIME_TESTS "Enable runtime tests for collective operations." OFF)
# For development, builds LLVM (and in the future) the whole compiler as
# individual shared libraries similar to if passing -DBUILD_SHARED_LIBS=ON
# to a standalone LLVM build. This can dramatically reduce linking time and
# makes the management of some dependencies more strict.
# This option is considered experimental and should not be relied on until
# CI coverage is established.
option(IREE_COMPILER_BUILD_SHARED_LIBS "Enables BUILD_SHARED_LIBS CMake mode for LLVM and the compiler (this is only suitable for development)" OFF)
# Must be defined as an option (CMake does not do it automatically), even though
# we override it for different parts of the tree.
# This option is considered experimental and should not be relied on until
# CI coverage is established.
option(BUILD_SHARED_LIBS "Instructs CMake to build libraries as shared if possible" OFF)
# Control of LTO settings for the runtime build.
set(IREE_RUNTIME_OPTIMIZATION_PROFILE "" CACHE STRING
"Build optimization profile to apply. One of '', 'lto', 'size'.")
set(IREE_LTO_MODE "full" CACHE STRING "LTO type, 'thin' or 'full'. Only consulted on clang-like compilers.")
option(IREE_VISIBILITY_HIDDEN "Builds all C/C++ libraries with hidden visibility" ON)
#-------------------------------------------------------------------------------
# IREE command-line tooling configuration
#-------------------------------------------------------------------------------
# External user modules linked into IREE tooling (iree-run-module/etc).
# These are only available in the internal IREE tools and here for testing
# custom modules in standard workflows. This is not a deployment mechanism and
# users integrating IREE into their libraries or applications will need to
# manage the building and registering/resolving the modules themselves.
#
# See runtime/src/iree/tooling/modules/CMakeLists.txt for more information on
# how to declare external modules.
set(IREE_EXTERNAL_TOOLING_MODULES "" CACHE STRING "")
#-------------------------------------------------------------------------------
# IREE out of tree plugins
#
# IREE has multiple facilities for building with out of tree plugin sources.
# The entry-point is via the -DIREE_CMAKE_PLUGIN_PATHS=<dir1;dir2> setting.
# Each directory in this list can have any of the following files in it, which
# will be included at the appropriate point in the CMake build:
#
# iree_compiler_plugin.cmake : Included in the context of the compiler/
# directory before sources and bindings. Will execute with source and
# binary dir ${IREE_BUILD_DIR}/compiler/plugins (shared with all other
# dirs).
# iree_runtime_plugin.cmake : Included in the context of the runtime/
# directory before sources. Will execute with source and binary dir
# ${IREE_BUILD_DIR}/runtime/plugins (shared with all other dirs).
#
# Typically, these plugins will perform additional project setup, and
# eventually call registration functions to advertise additional capabilities
# to the build system.
#
# Super-projects can populate the list IREE_CMAKE_BUILTIN_PLUGIN_PATHS to
# statically configure more plugin directories to be used.
#
# Compiler Plugins
# ----------------
# Compiler plugins are advertised to the build system via the function
# iree_compiler_register_plugin(), which associated a plugin id to a build target
# and registration function. See samples/compiler_plugins for examples.
#
# External HAL Driver Plugins
# ---------------------------
# HAL driver implementations are advertised to the build system via
# iree_register_external_hal_driver(), which specifies the name, target,
# registration function and optional source/binary directory.
#-------------------------------------------------------------------------------
set(IREE_CMAKE_PLUGIN_PATHS "" CACHE STRING "Paths to be scanned for IREE CMake plugin includes")
list(APPEND IREE_CMAKE_BUILTIN_PLUGIN_PATHS "compiler/plugins")
if(IREE_BUILD_SAMPLES)
list(APPEND IREE_CMAKE_BUILTIN_PLUGIN_PATHS "samples/compiler_plugins")
endif()
#-------------------------------------------------------------------------------
# Experimental project flags
#-------------------------------------------------------------------------------
option(IREE_BUILD_EXPERIMENTAL_WEB_SAMPLES "Builds experimental web samples." OFF)
option(IREE_BUILD_EXPERIMENTAL_HAL_EXECUTABLE_LIBRARY_CALL_HOOKS "Build experimental hal_executable_library_call hook libraries that can be used with LD_PRELOAD against runtimes built with `-DCMAKE_C_FLAGS=-DIREE_HAL_EXECUTABLE_LIBRARY_CALL_HOOK`." OFF)
#-------------------------------------------------------------------------------
# CUDA Toolkit.
#
# Using the (optional) CUDA support in the compiler and runtime requires the
# NVIDIA CUDA Toolkit. The toolkit can either be installed ahead of time or
# it can be automatically downloaded on certain host architectures.
#-------------------------------------------------------------------------------
set(IREE_CUDA_AVAILABLE OFF)
# The IREE cuda driver requires CUDA >= 12.
set(IREE_CUDA_MIN_VERSION_REQUIRED 12)
find_package(CUDAToolkit ${IREE_CUDA_MIN_VERSION_REQUIRED})
if(CUDAToolkit_FOUND)
set(IREE_CUDA_AVAILABLE ON)
else()
# We can download the SDK in build_tools/third_party/cuda/CMakeLists.txt, if
# on a supported platform/arch.
if(CMAKE_SYSTEM_NAME STREQUAL "Linux" OR WIN32)
if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "(x86_64)|(AMD64|amd64)")
set(IREE_CUDA_AVAILABLE ON)
endif()
endif()
endif()
#-------------------------------------------------------------------------------
# HIP Default Target Configuration.
#
# HIP does not have a stable instruction set like NVIDIA PTX; it requires
# binaries specific to a target chip. We have tests that generate and run
# deployable code which need to specify the proper target chip.
#-------------------------------------------------------------------------------
set(IREE_HIP_TEST_TARGET_CHIP "" CACHE STRING
"Target chip for HIP tests that need to compile device code. \
Defaults to empty string to disable tests.")
#-------------------------------------------------------------------------------
# Runtime HAL Driver Options
# By default, all runtime drivers supported by the current platform which do
# not require external deps are enabled by default. This can be changed with:
# -DIREE_HAL_DRIVER_DEFAULTS=OFF
#-------------------------------------------------------------------------------
# External HAL drivers; see runtime/src/iree/hal/drivers/CMakeLists.txt for more
# information on how to declare external drivers.
set(IREE_EXTERNAL_HAL_DRIVERS "" CACHE STRING "")
# Additional executable loader deps to add dependent libraries to any target
# using the default executable loader registration utilities.
# TODO(benvanik): extend the deps to encompass the built-in loaders too so that
# we have one flag. We could also support a list of deps and automatically
# generate the registration from that via a configure file.
set(IREE_HAL_EXECUTABLE_LOADER_EXTRA_DEPS "" CACHE STRING "")
# Additional executable import provider deps to add dependent libraries to any
# target using the default executable import registration utilities.
# TODO(benvanik): extend the deps to encompass the built-in imports too so that
# we have one flag. We could also support a list of deps and automatically
# generate the registration from that via a configure file.
set(IREE_HAL_EXECUTABLE_PLUGIN_EXTRA_DEPS "" CACHE STRING "")
option(IREE_HAL_DRIVER_DEFAULTS "Sets the default value for all runtime HAL drivers" ON)
# CUDA support is disabled by default. Note: a CUDA-compatible GPU with drivers is still
# required to actually run CUDA workloads.
set(IREE_HAL_DRIVER_CUDA_DEFAULT OFF)
# HIP support is disabled by default. Note: a HIP-compatible GPU with drivers is still
# required to actually run HIP workloads.
set(IREE_HAL_DRIVER_HIP_DEFAULT OFF)
# Metal support is enabled if it's one of the Apple platforms.
set(IREE_HAL_DRIVER_METAL_DEFAULT ${IREE_HAL_DRIVER_DEFAULTS})
# Right now only support Apple silicon devices.
if(NOT APPLE OR NOT ${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm64")
set(IREE_HAL_DRIVER_METAL_DEFAULT OFF)
endif()
# Null skeleton driver is only enabled in debug builds or dev mode.
# We don't want to ship release builds with it or count it when calculating
# binary sizes of minified builds.
set(IREE_HAL_DRIVER_NULL_DEFAULT OFF)
string(TOUPPER "${CMAKE_BUILD_TYPE}" _UPPERCASE_CMAKE_BUILD_TYPE)
if (IREE_DEV_MODE OR (_UPPERCASE_CMAKE_BUILD_TYPE STREQUAL "DEBUG"))
set(IREE_HAL_DRIVER_NULL_DEFAULT ON)
endif()
# Vulkan support is enabled by default if the platform might support Vulkan.
# Apple platforms support Metal instead of Vulkan, though MoltenVK may work.
set(IREE_HAL_DRIVER_VULKAN_DEFAULT ${IREE_HAL_DRIVER_DEFAULTS})
if(APPLE)
set(IREE_HAL_DRIVER_VULKAN_DEFAULT OFF)
endif()
option(IREE_HAL_DRIVER_CUDA "Enables the 'cuda' runtime HAL driver" ${IREE_HAL_DRIVER_CUDA_DEFAULT})
option(IREE_HAL_DRIVER_HIP "Enables the 'hip' runtime HAL driver" ${IREE_HAL_DRIVER_HIP_DEFAULT})
option(IREE_HAL_DRIVER_LOCAL_SYNC "Enables the 'local-sync' runtime HAL driver" ${IREE_HAL_DRIVER_DEFAULTS})
option(IREE_HAL_DRIVER_LOCAL_TASK "Enables the 'local-task' runtime HAL driver" ${IREE_HAL_DRIVER_DEFAULTS})
option(IREE_HAL_DRIVER_METAL "Enables the 'metal' runtime HAL driver" ${IREE_HAL_DRIVER_METAL_DEFAULT})
option(IREE_HAL_DRIVER_NULL "Enables the 'null' runtime HAL driver" ${IREE_HAL_DRIVER_NULL_DEFAULT})
option(IREE_HAL_DRIVER_VULKAN "Enables the 'vulkan' runtime HAL driver" ${IREE_HAL_DRIVER_VULKAN_DEFAULT})
option(IREE_HAL_EXECUTABLE_LOADER_DEFAULTS "Sets the default value for all runtime HAL executable loaders" ON)
set(IREE_HAL_EXECUTABLE_LOADER_EMBEDDED_ELF_DEFAULT ${IREE_HAL_EXECUTABLE_LOADER_DEFAULTS})
set(IREE_HAL_EXECUTABLE_LOADER_SYSTEM_LIBRARY_DEFAULT ${IREE_HAL_EXECUTABLE_LOADER_DEFAULTS})
set(IREE_HAL_EXECUTABLE_LOADER_VMVX_MODULE_DEFAULT ${IREE_HAL_EXECUTABLE_LOADER_DEFAULTS})
option(IREE_HAL_EXECUTABLE_PLUGIN_DEFAULTS "Sets the default value for all runtime HAL executable plugin mechanisms" ON)
set(IREE_HAL_EXECUTABLE_PLUGIN_EMBEDDED_ELF_DEFAULT ${IREE_HAL_EXECUTABLE_PLUGIN_DEFAULTS})
set(IREE_HAL_EXECUTABLE_PLUGIN_SYSTEM_LIBRARY_DEFAULT ${IREE_HAL_EXECUTABLE_PLUGIN_DEFAULTS})
# Emscripten builds don't support embedded ELF libraries.
if(EMSCRIPTEN)
set(IREE_HAL_EXECUTABLE_LOADER_EMBEDDED_ELF_DEFAULT OFF)
set(IREE_HAL_EXECUTABLE_PLUGIN_EMBEDDED_ELF_DEFAULT OFF)
endif()
# If no local driver is enabled then we force all the loaders/imports off; this
# allows for simpler checks that don't need to see if both the driver and
# feature is available.
if(NOT IREE_HAL_DRIVER_LOCAL_SYNC AND NOT IREE_HAL_DRIVER_LOCAL_TASK)
set(IREE_HAL_EXECUTABLE_LOADER_EMBEDDED_ELF_DEFAULT OFF)
set(IREE_HAL_EXECUTABLE_LOADER_SYSTEM_LIBRARY_DEFAULT OFF)
set(IREE_HAL_EXECUTABLE_LOADER_VMVX_MODULE_DEFAULT OFF)
set(IREE_HAL_EXECUTABLE_PLUGIN_EMBEDDED_ELF_DEFAULT OFF)
set(IREE_HAL_EXECUTABLE_PLUGIN_SYSTEM_LIBRARY_DEFAULT OFF)
endif()
option(IREE_HAL_EXECUTABLE_LOADER_EMBEDDED_ELF "Enables the embedded dynamic library loader for local HAL drivers" ${IREE_HAL_EXECUTABLE_LOADER_EMBEDDED_ELF_DEFAULT})
option(IREE_HAL_EXECUTABLE_LOADER_SYSTEM_LIBRARY "Enables the system dynamic library loader for local HAL drivers" ${IREE_HAL_EXECUTABLE_LOADER_SYSTEM_LIBRARY_DEFAULT})
option(IREE_HAL_EXECUTABLE_LOADER_VMVX_MODULE "Enables the VMVX module loader for local HAL drivers" ${IREE_HAL_EXECUTABLE_LOADER_VMVX_MODULE_DEFAULT})
option(IREE_HAL_EXECUTABLE_PLUGIN_EMBEDDED_ELF "Enables the embedded dynamic library plugin mechanism for local HAL drivers" ${IREE_HAL_EXECUTABLE_PLUGIN_EMBEDDED_ELF_DEFAULT})
option(IREE_HAL_EXECUTABLE_PLUGIN_SYSTEM_LIBRARY "Enables the system dynamic library plugin mechanism for local HAL drivers" ${IREE_HAL_EXECUTABLE_PLUGIN_SYSTEM_LIBRARY_DEFAULT})
if(IREE_BUILD_COMPILER)
# The compiler minimally requires the local task driver with the default
# (embedded elf) executable loader. This is used by the ConstEval component,
# which can also be used with VMVX or other loaders/devices. See issue#17070.
set(IREE_HAL_DRIVER_LOCAL_TASK ON)
set(IREE_HAL_EXECUTABLE_LOADER_EMBEDDED_ELF ON)
endif()
message(STATUS "IREE HAL drivers:")
if(IREE_HAL_DRIVER_CUDA)
message(STATUS " - cuda")
endif()
if(IREE_HAL_DRIVER_HIP)
message(STATUS " - hip")
endif()
if(IREE_HAL_DRIVER_LOCAL_SYNC)
message(STATUS " - local-sync")
endif()
if(IREE_HAL_DRIVER_LOCAL_TASK)
message(STATUS " - local-task")
endif()
if(IREE_HAL_DRIVER_METAL)
message(STATUS " - metal")
endif()
if(IREE_HAL_DRIVER_NULL)
message(STATUS " - null")
endif()
if(IREE_HAL_DRIVER_VULKAN)
message(STATUS " - vulkan")
endif()
if(IREE_EXTERNAL_HAL_DRIVERS)
message(STATUS " + external: ${IREE_EXTERNAL_HAL_DRIVERS}")
endif()
message(STATUS "IREE HAL local executable library loaders:")
if(IREE_HAL_EXECUTABLE_LOADER_EMBEDDED_ELF)
message(STATUS " - embedded-elf")
endif()
if(IREE_HAL_EXECUTABLE_LOADER_SYSTEM_LIBRARY)
message(STATUS " - system-library")
endif()
if(IREE_HAL_EXECUTABLE_LOADER_VMVX_MODULE)
message(STATUS " - vmvx-module")
endif()
message(STATUS "IREE HAL local executable plugin mechanisms:")
if(IREE_HAL_EXECUTABLE_PLUGIN_EMBEDDED_ELF)
message(STATUS " - embedded-elf")
endif()
if(IREE_HAL_EXECUTABLE_PLUGIN_SYSTEM_LIBRARY)
message(STATUS " - system-library")
endif()
#-------------------------------------------------------------------------------
# Compiler Target Options
# We try to keep the default build as simple as possible and disable heavy targets.
# Some compiler targets like CUDA will install external deps as needed at configure time.
# This can be changed with:
# -DIREE_TARGET_BACKEND_DEFAULTS=OFF
#-------------------------------------------------------------------------------
option(IREE_TARGET_BACKEND_DEFAULTS "Sets the default value for all compiler target backends" ON)
# The VMVX backend is always enabled.
cmake_dependent_option(IREE_TARGET_BACKEND_VMVX "Enables the 'vmvx' compiler target backend" ON ${IREE_BUILD_COMPILER} OFF)
# Supported default target backends.
cmake_dependent_option(IREE_TARGET_BACKEND_LLVM_CPU "Enables the 'llvm-cpu' compiler target backend" ${IREE_TARGET_BACKEND_DEFAULTS} ${IREE_BUILD_COMPILER} OFF)
cmake_dependent_option(IREE_TARGET_BACKEND_LLVM_CPU_WASM "Enables WebAssembly in the 'llvm-cpu' compiler target backend" ${IREE_TARGET_BACKEND_DEFAULTS} ${IREE_TARGET_BACKEND_LLVM_CPU} OFF)
cmake_dependent_option(IREE_TARGET_BACKEND_METAL_SPIRV "Enables the 'metal-spirv' compiler target backend" ${IREE_TARGET_BACKEND_DEFAULTS} ${IREE_BUILD_COMPILER} OFF)
cmake_dependent_option(IREE_TARGET_BACKEND_VULKAN_SPIRV "Enables the 'vulkan-spirv' compiler target backend" ${IREE_TARGET_BACKEND_DEFAULTS} ${IREE_BUILD_COMPILER} OFF)
# Default target backends that are not yet fully supported but are being brought up.
cmake_dependent_option(IREE_TARGET_BACKEND_ROCM "Enables the 'rocm' compiler target backend" OFF ${IREE_BUILD_COMPILER} OFF)
# Supported target backends that are only available on certain platforms.
set(IREE_TARGET_BACKEND_CUDA_DEFAULT ${IREE_TARGET_BACKEND_DEFAULTS})
if(NOT IREE_CUDA_AVAILABLE)
set(IREE_TARGET_BACKEND_CUDA_DEFAULT OFF)
endif()
cmake_dependent_option(IREE_TARGET_BACKEND_CUDA "Enables the 'cuda' compiler target backend" OFF ${IREE_BUILD_COMPILER} OFF)
# Non-default target backends either have additional dependencies or are
# experimental/niche in some fashion.
# Disable WebGPU by default - it has complex deps and is under development.
cmake_dependent_option(IREE_TARGET_BACKEND_WEBGPU_SPIRV "Enables the 'webgpu' compiler target backend" OFF ${IREE_BUILD_COMPILER} OFF)
#-------------------------------------------------------------------------------
# Compiler Input Dialects
#-------------------------------------------------------------------------------
cmake_dependent_option(IREE_INPUT_STABLEHLO "Builds support for compiling StableHLO programs" ON ${IREE_BUILD_COMPILER} OFF)
cmake_dependent_option(IREE_INPUT_TORCH "Builds support for compiling Torch MLIR programs" ON ${IREE_BUILD_COMPILER} OFF)
cmake_dependent_option(IREE_INPUT_TOSA "Builds support for compiling TOSA programs" ON ${IREE_BUILD_COMPILER} OFF)
if(IREE_BUILD_COMPILER)
message(STATUS "IREE compiler input dialects:")
if(IREE_INPUT_STABLEHLO)
message(STATUS " - StableHLO")
endif()
if(IREE_INPUT_TORCH)
message(STATUS " - Torch MLIR")
endif()
if(IREE_INPUT_TOSA)
message(STATUS " - TOSA")
endif()
endif()
#-------------------------------------------------------------------------------
# Compiler Output Formats
#-------------------------------------------------------------------------------
cmake_dependent_option(IREE_OUTPUT_FORMAT_C "Enables the 'vm-c' output format, using MLIR EmitC" ON ${IREE_BUILD_COMPILER} OFF)
if(IREE_BUILD_COMPILER)
message(STATUS "IREE compiler output formats:")
if(IREE_OUTPUT_FORMAT_C)
message(STATUS " - 'vm-c': textual C source module")
endif()
# The 'vm-bytecode' and 'vm-asm' formats are always enabled.
message(STATUS " - 'vm-bytecode': VM bytecode")
message(STATUS " - 'vm-asm': VM MLIR assembly")
endif()
#-------------------------------------------------------------------------------
# IREE compilation toolchain configuration
#-------------------------------------------------------------------------------
option(IREE_ENABLE_ASAN "Enable address sanitizer" OFF)
option(IREE_ENABLE_MSAN "Enable memory sanitizer" OFF)
option(IREE_ENABLE_TSAN "Enable thread sanitizer" OFF)
option(IREE_ENABLE_UBSAN "Enable undefined behavior sanitizer" OFF)
option(IREE_ENABLE_SPLIT_DWARF "Enable gsplit-dwarf for debug information if the platform supports it" OFF)
option(IREE_ENABLE_THIN_ARCHIVES "Enables thin ar archives (elf systems only). Disable for released static archives" OFF)
option(IREE_LINK_COMPILER_SHARED_LIBRARY "Links IREE tools using the compiler compiled into a shared library" ON)
option(IREE_ENABLE_WERROR_FLAG "Enable `-Werror` flag, treat error as warning" ON)
option(IREE_ENABLE_POSITION_INDEPENDENT_CODE "Enable position independent code" TRUE)
if(IREE_LINK_COMPILER_SHARED_LIBRARY AND IREE_ENABLE_COMPILER_TRACING)
message(SEND_ERROR
"IREE_ENABLE_COMPILER_TRACING requires "
"-DIREE_LINK_COMPILER_SHARED_LIBRARY=OFF (the compiler library must not "
"be unloaded before Tracy finishes, static linking is one workaround)")
endif()
option(IREE_ENABLE_CCACHE
"[DEPRECATED: Use CMAKE_<LANG>_COMPILER_LAUNCHER configure options or environment variables instead.] Use ccache if installed."
OFF)
if(IREE_ENABLE_CCACHE)
message(WARNING
"IREE_ENABLE_CCACHE is deprecated. Use CMAKE_<LANG>_COMPILER_LAUNCHER"
" configure options or environment variables instead.")
find_program(CCACHE_PROGRAM ccache)
if(CCACHE_PROGRAM)
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
else()
message(SEND_ERROR
"IREE_ENABLE_CCACHE was set, but executable `ccache` was not found.")
endif()
endif()
set (CMAKE_POSITION_INDEPENDENT_CODE ${IREE_ENABLE_POSITION_INDEPENDENT_CODE})
option(IREE_DEV_MODE "Configure settings to optimize for IREE development (as opposed to CI or release)" OFF)
#-------------------------------------------------------------------------------
# IREE assertions
# We don't love the way this is done, but we have to line it up with how LLVM
# does it and not diverge, since all implementations and all header users must
# have the same definition of NDEBUG.
#
# LLVM defaults LLVM_ENABLE_ASSERTIONS to ON for Debug builds only but then
# conditions itself to only update flags if not building Debug. We just let
# IREE_ENABLE_ASSERTIONS be not conditioned on anything and only update the
# flags in appropriate build types.
#
# If IREE_ENABLE_ASSERTIONS is set ON manually, then
# - NDEBUG must be undefined
# - LLVM_ENABLE_ASSERTIONS is forced off in order to keep multiple parties
# from mucking with globals.
#
# Since CMake forces NDEBUG for !Debug builds, some surgery needs to be done
# at the top level to avoid divergence.
#-------------------------------------------------------------------------------
option(IREE_ENABLE_ASSERTIONS "Force unset of NDEBUG compile option" OFF)
# Filter -DNDEBUG from CMAKE_CXX_FLAGS_* and CMAKE_C_FLAGS_* (if
# CMAKE_BUILD_TYPE is not Debug).
function(iree_fix_ndebug)
string(TOUPPER "${CMAKE_BUILD_TYPE}" _UPPERCASE_CMAKE_BUILD_TYPE)
if(IREE_ENABLE_ASSERTIONS AND NOT "${_UPPERCASE_CMAKE_BUILD_TYPE}" STREQUAL "DEBUG")
# Also remove /D NDEBUG to avoid MSVC warnings about conflicting defines.
foreach(_FLAGS_VAR_TO_SCRUB
CMAKE_CXX_FLAGS_${_UPPERCASE_CMAKE_BUILD_TYPE}
CMAKE_C_FLAGS_${_UPPERCASE_CMAKE_BUILD_TYPE})
set(_ORIGINAL_FLAGS "${${_FLAGS_VAR_TO_SCRUB}}")
string(REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" " " _ALTERED_FLAGS "${_ORIGINAL_FLAGS}")
if(NOT "${_ORIGINAL_FLAGS}" STREQUAL "${_ALTERED_FLAGS}")
message(STATUS
"IREE_ENABLE_ASSERTIONS force disabled NDEBUG for ${_FLAGS_VAR_TO_SCRUB}: '${_ORIGINAL_FLAGS}' -> '${_ALTERED_FLAGS}'")
set(${_FLAGS_VAR_TO_SCRUB} "${_ALTERED_FLAGS}" PARENT_SCOPE)
endif()
endforeach()
# Make sure that LLVM doesn't add its own logic for assertion disabling.
# We'd like to make sure that we are not dueling over globals.
set(LLVM_ENABLE_ASSERTIONS OFF PARENT_SCOPE)
endif()
endfunction()
iree_fix_ndebug()
#-------------------------------------------------------------------------------
# IREE utility definitions
#-------------------------------------------------------------------------------
list(APPEND CMAKE_MODULE_PATH
${CMAKE_CURRENT_LIST_DIR}/build_tools/cmake/
)
include(iree_macros)
include(iree_copts)
include(iree_cc_binary)
include(iree_cc_library)
include(iree_cc_test)
include(iree_import_binary)
include(iree_install_support)
include(iree_external_cmake_options)
include(iree_tablegen_library)
include(iree_tablegen_doc)
include(iree_c_embed_data)
include(iree_bitcode_library)
include(iree_bytecode_module)
include(iree_c_module)
include(iree_python)
include(iree_lit_test)
include(iree_llvm)
include(iree_add_all_subdirs)
include(iree_check_test)
include(iree_e2e_generated_runner_test)
include(iree_native_test)
include(iree_cc_binary_benchmark)
include(iree_hal_cts_test_suite)
include(iree_static_linker_test)
include(iree_plugin_register)
# Default any sub-tree which doesn't provide its own package namespacing
# to derive it relative to this directory and prefixed with iree/.
set(IREE_PACKAGE_ROOT_DIR "${CMAKE_CURRENT_LIST_DIR}")
set(IREE_PACKAGE_ROOT_PREFIX "iree")
#-------------------------------------------------------------------------------
# Experimental WebGPU HAL driver
# Enable with: -DIREE_EXTERNAL_HAL_DRIVERS=webgpu
#-------------------------------------------------------------------------------
iree_register_external_hal_driver(
NAME
webgpu
SOURCE_DIR
"${CMAKE_CURRENT_SOURCE_DIR}/experimental/webgpu"
BINARY_DIR
"${CMAKE_CURRENT_BINARY_DIR}/experimental/webgpu"
DRIVER_TARGET
iree::experimental::webgpu::registration
REGISTER_FN
iree_hal_webgpu_driver_module_register
)
#-------------------------------------------------------------------------------
# IREE compilation flags
#-------------------------------------------------------------------------------
iree_append_list_to_string(CMAKE_C_FLAGS_DEBUG ${IREE_C_FLAGS_DEBUG_LIST})
iree_append_list_to_string(CMAKE_CXX_FLAGS_DEBUG ${IREE_CXX_FLAGS_DEBUG_LIST})
set(CMAKE_CXX_FLAGS_FASTBUILD "-gmlt" CACHE STRING "Flags used by the C++ compiler during fast builds." FORCE)
set(CMAKE_C_FLAGS_FASTBUILD "-gmlt" CACHE STRING "Flags used by the C compiler during fast builds." FORCE)
set(CMAKE_EXE_LINKER_FLAGS_FASTBUILD "-Wl,-S" CACHE STRING "Flags used for linking binaries during fast builds." FORCE)
set(CMAKE_SHARED_LINKER_FLAGS_FASTBUILD "-Wl,-S" CACHE STRING "Flags used by the shared libraries linker binaries during fast builds." FORCE)
mark_as_advanced(
CMAKE_CXX_FLAGS_FASTBUILD
CMAKE_C_FLAGS_FASTBUILD
CMAKE_EXE_LINKER_FLAGS_FASTBUILD
CMAKE_SHARED_LINKER_FLAGS_FASTBUILD
)
# Override the system's default linker.
# See also: https://llvm.org/docs/CMake.html#llvm-use-linker.
set(IREE_USE_LINKER "" CACHE STRING "")
# Equivalent to setting -DIREE_USE_LINKER=lld.
# Note that unlike LLVM's LLVM_ENABLE_LLD, this does _not_ build lld. You will
# need to either install a recent version of lld or build it from source prior
# to setting this option. See also: https://lld.llvm.org/#using-lld.
# This option is disabled on Apple platforms, where lld is not supported.
cmake_dependent_option(IREE_ENABLE_LLD "Override the system's default linker to lld" OFF "NOT APPLE" OFF)
include(iree_setup_toolchain)
#-------------------------------------------------------------------------------
# Python
# If building features that require Python development, find them early in
# one invocation (some CMake versions are sensitive to resolving out of order).
# Otherwise, for features that just require the interpreter, find that alone.
#-------------------------------------------------------------------------------
if(IREE_BUILD_PYTHON_BINDINGS)
# After CMake 3.18, we are able to limit the scope of the search to just
# Development.Module. Searching for Development will fail in situations where
# the Python libraries are not available. When possible, limit to just
# Development.Module.
# See https://pybind11.readthedocs.io/en/stable/compiling.html#findpython-mode
#
# Configuring the Development.Module is flaky in multi-project setups.
# "Bootstrapping" by first looking for the optional Development component
# seems to be robust generally.
# See: https://reviews.llvm.org/D118148
# If building Python packages, we have a hard requirement on 3.9+.
find_package(Python3 3.9 COMPONENTS Interpreter Development NumPy)
find_package(Python3 3.9 COMPONENTS Interpreter Development.Module NumPy REQUIRED)
# Some parts of the build use FindPython instead of FindPython3. Why? No
# one knows, but they are different. So make sure to bootstrap this one too.
# Not doing this here risks them diverging, which on multi-Python systems,
# can be troublesome. Note that nanobind requires FindPython.
set(Python_EXECUTABLE "${Python3_EXECUTABLE}")
find_package(Python 3.9 COMPONENTS Interpreter Development.Module NumPy REQUIRED)
if(APPLE)
# Workaround for upstream using PyClassMethod_New but nanobind not being aware
# see https://github.com/iree-org/iree/issues/19591
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-U -Wl,_PyClassMethod_New")
endif()
elseif(IREE_BUILD_COMPILER OR IREE_BUILD_TESTS)
find_package(Python3 COMPONENTS Interpreter REQUIRED)
set(Python_EXECUTABLE "${Python3_EXECUTABLE}")
find_package(Python COMPONENTS Interpreter REQUIRED)
endif()
if(NOT "${Python_EXECUTABLE}" STREQUAL "${Python3_EXECUTABLE}")
message(WARNING "FindPython and FindPython3 found different executables. You may need to pin -DPython_EXECUTABLE and -DPython3_EXECUTABLE (${Python_EXECUTABLE} vs ${Python3_EXECUTABLE})")
endif()
#-------------------------------------------------------------------------------
# Check if git submodules have been initialized.
# This will only run if python3 is available.
#-------------------------------------------------------------------------------
option(IREE_ERROR_ON_MISSING_SUBMODULES "Error if submodules have not been initialized." ON)
find_package(Python3 COMPONENTS Interpreter QUIET)
find_package(Git)
if(IREE_ERROR_ON_MISSING_SUBMODULES AND Python3_FOUND AND Git_FOUND)
# Only check submodule status when the git commit changes.
execute_process(
COMMAND git rev-parse --short HEAD
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
RESULT_VARIABLE SHORT_HASH_RESULT
OUTPUT_VARIABLE SHORT_HASH)
string(REGEX REPLACE "\n$" "" SHORT_HASH "${SHORT_HASH}")
if(SHORT_HASH_RESULT EQUAL "0" AND NOT "${IREE_GIT_SHORT_HASH}" STREQUAL "${SHORT_HASH}")
if(NOT IREE_BUILD_COMPILER)
set(CHECK_SUBMODULE_ARGS "--runtime_only")
endif()
execute_process(
COMMAND ${Python3_EXECUTABLE} build_tools/scripts/git/check_submodule_init.py ${CHECK_SUBMODULE_ARGS}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
RESULT_VARIABLE SUBMODULE_INIT_RESULT
)
if(NOT SUBMODULE_INIT_RESULT EQUAL "0")
message(FATAL_ERROR "check_submodule_init.py failed, see the logs above")
else()
set(IREE_GIT_SHORT_HASH "${SHORT_HASH}" CACHE STRING "" FORCE)
endif()
endif()
endif()
#-------------------------------------------------------------------------------
# IREE top-level targets
# We define these here because various things in the build tree adds
# dependencies to them.
#-------------------------------------------------------------------------------
if(IREE_BUILD_DOCS)
# Define a top-level custom target to drive generating documentation files.
# Add to the default target given that docs were explicitly requested.
add_custom_target(iree-doc ALL)
endif()
# Samples may require additional files to be built/configured and will add
# dependencies to this target.
# Note: These will be automatically built with test dependencies
# (`iree-test-deps`).
add_custom_target(iree-sample-deps
COMMENT
"Building IREE sample data targets"
)
# Testing rules that require generation will add dependencies to this target.
# This allows them to be EXCLUDE_FROM_ALL but still invokable.
add_custom_target(iree-test-deps
COMMENT
"Building IREE test deps"
DEPENDS
iree-sample-deps
)
# Testing rules that generate test scripts for iree-run-module-test will add
# dependencies to this target. It is a subset of `iree-test-deps`.
add_custom_target(iree-run-module-test-deps
COMMENT
"Building IREE run module test targets"
)
# Convenience target for running IREE tests.
add_custom_target(iree-run-tests
COMMENT
"Run IREE unit tests"
WORKING_DIRECTORY
"${CMAKE_CURRENT_BINARY_DIR}"
USES_TERMINAL
COMMAND
"${CMAKE_COMMAND}" -E echo
"The 'iree-run-tests' target is a helper for running ctest. For advanced"
"options, build dependencies and invoke ctest independently as in:"
COMMAND
"${CMAKE_COMMAND}" -E echo
" \\(cd ${CMAKE_CURRENT_BINARY_DIR} \\&\\& cmake --build . --target iree-test-deps \\&\\& ctest --output-on-failure\\)"
COMMAND
"${CMAKE_COMMAND}" -E echo
"Run tests in parallel by setting a variable like CTEST_PARALLEL_LEVEL=25."
COMMAND
"${CMAKE_CTEST_COMMAND}"
--output-on-failure
)
add_dependencies(iree-run-tests iree-test-deps)
#-------------------------------------------------------------------------------
# CUDA configuration for both the compiler and runtime.
# We do this at the top level so that we can fail fast and make global
# decisions that effect both compiler and runtime. It also helps with error
# messaging to do this all in one place, since we can provide very targeted
# advice.
#-------------------------------------------------------------------------------
set(IREE_CUDA_LIBDEVICE_PATH "" CACHE FILEPATH "Absolute path to an appropriate libdevice.*.bc (needed to build the IREE cuda compiler target)")
# If any CUDA features are being built, try to locate a CUDA SDK. We will fall
# back to this as needed for specific features.
if(IREE_TARGET_BACKEND_CUDA OR IREE_HAL_DRIVER_CUDA)
add_subdirectory(build_tools/third_party/cuda EXCLUDE_FROM_ALL)
endif()
#-------------------------------------------------------------------------------
# MLIR/LLVM Dependency
#-------------------------------------------------------------------------------
# Both the IREE and MLIR Python bindings require nanobind. We initialize it here
# at the top level so that everything uses ours consistently.
if(IREE_BUILD_PYTHON_BINDINGS OR IREE_BUILD_COMPILER)
include(FetchContent)
FetchContent_Declare(
nanobind
GIT_REPOSITORY https://github.com/wjakob/nanobind.git
GIT_TAG 0f9ce749b257fdfe701edb3cf6f7027ba029434a # v2.4.0
)
FetchContent_MakeAvailable(nanobind)
endif()
if(NOT IREE_BUILD_COMPILER)
message(STATUS "Not adding LLVM/MLIR because the configuration does not require it")
else()
# Force enable BUILD_SHARED_LIBS for the compiler if instructed.
set(_IREE_ORIG_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
if(IREE_COMPILER_BUILD_SHARED_LIBS)
set(BUILD_SHARED_LIBS ON CACHE BOOL "" FORCE)
endif()
# Get the main LLVM deps.
if(IREE_BUILD_BUNDLED_LLVM)
iree_llvm_configure_bundled()
else()
iree_llvm_configure_installed()
endif()
# Also add a library that can be depended on to get LLVM includes setup
# properly. bazel_to_cmake targets this for some header only pseudo deps.
add_library(IREELLVMIncludeSetup INTERFACE)
foreach(_d ${LLVM_INCLUDE_DIRS} ${MLIR_INCLUDE_DIRS} ${LLD_INCLUDE_DIRS})
# BUILD_INTERFACE only works one at a time.
target_include_directories(IREELLVMIncludeSetup INTERFACE
$<BUILD_INTERFACE:${_d}>
)
endforeach()
iree_install_targets(
TARGETS IREELLVMIncludeSetup
COMPONENT IREEPublicLibraries-Compiler
EXPORT_SET Compiler
)
# Splice the includes setup into base LLVM libraries so that using them
# gets everything nice and tidy. It would be super if some day, LLVM
# libraries set their right usage requirements for includes. In the meantime
# we add usage requirements to libraries at the root of all things LLVM.
iree_llvm_add_usage_requirements(LLVMSupport IREELLVMIncludeSetup)
iree_llvm_add_usage_requirements(MLIRSupport IREELLVMIncludeSetup)
# Add external projects.
message(STATUS "Configuring llvm-external-projects/mlir-iree-dialects")
list(APPEND CMAKE_MESSAGE_INDENT " ")
iree_llvm_add_external_project(mlir-iree-dialects ${CMAKE_CURRENT_SOURCE_DIR}/llvm-external-projects/iree-dialects)
list(POP_BACK CMAKE_MESSAGE_INDENT)
if(IREE_INPUT_STABLEHLO)
message(STATUS "Configuring third_party/stablehlo")
list(APPEND CMAKE_MESSAGE_INDENT " ")
iree_llvm_add_external_project(stablehlo ${CMAKE_CURRENT_SOURCE_DIR}/third_party/stablehlo)
list(POP_BACK CMAKE_MESSAGE_INDENT)
endif()
# Ensure that LLVM-based dependencies needed for testing are included.
add_dependencies(iree-test-deps FileCheck)
if(IREE_LLD_TARGET)
add_dependencies(iree-test-deps ${IREE_LLD_TARGET})
endif()
if(IREE_CLANG_TARGET)
add_dependencies(iree-test-deps ${IREE_CLANG_TARGET})
endif()
set(BUILD_SHARED_LIBS ${_IREE_ORIG_BUILD_SHARED_LIBS} CACHE BOOL "" FORCE)
endif()
#-------------------------------------------------------------------------------
# Other dependencies
# By default we bundle a number of dependencies needed to build the project.
# When bundled like this, they are installed into the IREEBundledLibraries
# component and exported to their subsystem which requires them (if a static
# dep from the public API): "Runtime" or "Compiler".
#
# Some deps have a usable CMake build, and we add_subdirectory these, manually
# using iree_install_targets to include them in our installation. Others require
# custom CMake and these are in the build_tools/third_party directory.
#
# TODO: We should have a mode that purely uses find_package for OS friendly
# packaging/externalizing deps.
#-------------------------------------------------------------------------------
include(external_cc_library)
include(flatbuffer_c_library)
add_subdirectory(build_tools/third_party/llvm-project EXCLUDE_FROM_ALL)
if((IREE_ENABLE_RUNTIME_TRACING OR IREE_ENABLE_COMPILER_TRACING) AND
IREE_TRACING_PROVIDER STREQUAL "tracy")
message(STATUS "Configuring third_party/tracy")
list(APPEND CMAKE_MESSAGE_INDENT " ")
add_subdirectory(third_party/tracy EXCLUDE_FROM_ALL)
list(POP_BACK CMAKE_MESSAGE_INDENT)
iree_install_targets(
TARGETS TracyClient
COMPONENT IREEBundledLibraries
EXPORT_SET Runtime
)
endif()
iree_set_googletest_cmake_options()
add_subdirectory(third_party/googletest EXCLUDE_FROM_ALL)
if(IREE_ENABLE_THREADING)
# Benchmark.
iree_set_benchmark_cmake_options()
add_subdirectory(third_party/benchmark EXCLUDE_FROM_ALL)
iree_install_targets(
TARGETS benchmark
COMPONENT IREEBundledLibraries
EXPORT_SET Runtime
)
if(IREE_ENABLE_CPUINFO)
iree_set_cpuinfo_cmake_options()
add_subdirectory(third_party/cpuinfo EXCLUDE_FROM_ALL)
iree_install_targets(
TARGETS cpuinfo
COMPONENT IREEBundledLibraries
EXPORT_SET Runtime
)
endif()
endif()
# This defines the iree-flatcc-cli target, so we don't use EXCLUDE_FROM_ALL.
add_subdirectory(build_tools/third_party/flatcc)
if(IREE_HAL_DRIVER_CUDA)
add_subdirectory(build_tools/third_party/nccl EXCLUDE_FROM_ALL)
endif()
if(IREE_HAL_DRIVER_HIP)
add_subdirectory(build_tools/third_party/rccl EXCLUDE_FROM_ALL)
endif()
if(IREE_HAL_DRIVER_VULKAN)
add_subdirectory(third_party/vulkan_headers EXCLUDE_FROM_ALL)
iree_install_targets(
TARGETS Vulkan-Headers
COMPONENT IREEBundledLibraries
EXPORT_SET Runtime
)
endif()
if(IREE_BUILD_COMPILER)
add_subdirectory(build_tools/third_party/stablehlo EXCLUDE_FROM_ALL)
endif()
if(IREE_BUILD_TESTS)
include(iree_configure_testing)
endif()
if(IREE_TARGET_BACKEND_METAL_SPIRV)
# SPIRV-Cross is needed to cross compile SPIR-V into MSL source code.
iree_set_spirv_cross_cmake_options()
add_subdirectory(third_party/spirv_cross EXCLUDE_FROM_ALL)
endif()
#-------------------------------------------------------------------------------
# IREE top-level libraries
#-------------------------------------------------------------------------------
if(IREE_ENABLE_CLANG_TIDY)
set(CMAKE_CXX_CLANG_TIDY clang-tidy -warnings-as-errors=*)
endif()
add_subdirectory(build_tools/embed_data/)
# tools/ can depend on compiler/ and runtime/.
# Note: tools sub directory is added before compiler/ so that phony targets for
# files with the same names from different rules are disambiguated towards
# those in tools/.
add_subdirectory(tools)
add_subdirectory(compiler)
add_subdirectory(runtime)
# Note: Test deps are not built as part of all (use the iree-test-deps target).
add_subdirectory(tests EXCLUDE_FROM_ALL)
if(IREE_ENABLE_CLANG_TIDY)
set(CMAKE_CXX_CLANG_TIDY "")
endif()
if(IREE_BUILD_TRACY)
if(NOT CMAKE_SYSTEM_NAME MATCHES "Darwin|Linux")
message(WARNING "Building Tracy (IREE_BUILD_TRACY) on non-Darwin/Linux is unsupported and may fail below.")
endif()
add_subdirectory(build_tools/third_party/tracy ${CMAKE_CURRENT_BINARY_DIR}/tracy)
if(NOT TARGET IREETracyCaptureServer)
message(SEND_ERROR "Could not build Tracy. Either unset IREE_BUILD_TRACY or look for missing dependencies above and install them.")
endif()
endif()
# Order constraint: The python bindings install tools targets from tools/
# and tracy, and must come after it.
if(IREE_BUILD_PYTHON_BINDINGS)
# Write out a .env file to make IDEs and developers happy.
# Yes, we are writing this to the source dir. It is only for IDEs and if
# it gets clobbered, it is fine (it is also ignored in .gitignore).
set(_PYTHONPATH_ENV "PYTHONPATH=$<SHELL_PATH:${CMAKE_CURRENT_BINARY_DIR}/compiler/bindings/python;${CMAKE_CURRENT_BINARY_DIR}/runtime/bindings/python>\n")
file(GENERATE OUTPUT "${CMAKE_CURRENT_SOURCE_DIR}/.env" CONTENT "${_PYTHONPATH_ENV}")
file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/.env" CONTENT "${_PYTHONPATH_ENV}")
# Similarly, write out .env.bat and .env.ps1 for Windows.
set(_PYTHONPATH_ENV_BAT "set PYTHONPATH=$<SHELL_PATH:${CMAKE_CURRENT_BINARY_DIR}/compiler/bindings/python;${CMAKE_CURRENT_BINARY_DIR}/runtime/bindings/python>\n")
file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/.env.bat" CONTENT "${_PYTHONPATH_ENV_BAT}")
set(_PYTHONPATH_ENV_PS1 "$env:PYTHONPATH = '$<SHELL_PATH:${CMAKE_CURRENT_BINARY_DIR}/compiler/bindings/python;${CMAKE_CURRENT_BINARY_DIR}/runtime/bindings/python>'\n")
file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/.env.ps1" CONTENT "${_PYTHONPATH_ENV_PS1}")
endif()
if(IREE_BUILD_BINDINGS_TFLITE)
add_subdirectory(runtime/bindings/tflite)