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CMakeLists.txt
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CMakeLists.txt
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# Copyright (c) 2015-2023 The Khronos Group Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
cmake_minimum_required(VERSION 3.17.2)
project(spirv-tools)
# Avoid a bug in CMake 3.22.1. By default it will set -std=c++11 for
# targets in test/*, when those tests need -std=c++17.
# https://github.com/KhronosGroup/SPIRV-Tools/issues/5340
# The bug is fixed in CMake 3.22.2
if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.22.1")
if (${CMAKE_VERSION} VERSION_LESS "3.22.2")
cmake_policy(SET CMP0128 NEW)
endif()
endif()
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
enable_testing()
set(SPIRV_TOOLS "SPIRV-Tools")
include(GNUInstallDirs)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
# Require at least C++17
if(NOT CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD 17)
endif()
if(${CMAKE_CXX_STANDARD} LESS 17)
message(FATAL_ERROR "SPIRV-Tools requires C++17 or later, but is configured for C++${CMAKE_CXX_STANDARD})")
endif()
set(CMAKE_CXX_EXTENSIONS OFF)
option(ENABLE_RTTI "Enables RTTI" OFF)
option(SPIRV_ALLOW_TIMERS "Allow timers via clock_gettime on supported platforms" ON)
if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
add_definitions(-DSPIRV_LINUX)
set(SPIRV_TIMER_ENABLED ${SPIRV_ALLOW_TIMERS})
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Emscripten")
add_definitions(-DSPIRV_EMSCRIPTEN)
elseif("${CMAKE_SYSTEM_NAME}" MATCHES "Windows")
add_definitions(-DSPIRV_WINDOWS)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "CYGWIN")
add_definitions(-DSPIRV_WINDOWS)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
add_definitions(-DSPIRV_MAC)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "iOS")
add_definitions(-DSPIRV_IOS)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "tvOS")
add_definitions(-DSPIRV_TVOS)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "visionOS")
add_definitions(-DSPIRV_VISIONOS)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Android")
add_definitions(-DSPIRV_ANDROID)
set(SPIRV_TIMER_ENABLED ${SPIRV_ALLOW_TIMERS})
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "FreeBSD")
add_definitions(-DSPIRV_FREEBSD)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "OpenBSD")
add_definitions(-DSPIRV_OPENBSD)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Fuchsia")
add_definitions(-DSPIRV_FUCHSIA)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "GNU")
add_definitions(-DSPIRV_GNU)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "QNX")
add_definitions(-DSPIRV_QNX)
else()
message(FATAL_ERROR "Your platform '${CMAKE_SYSTEM_NAME}' is not supported!")
endif()
if (${SPIRV_TIMER_ENABLED})
add_definitions(-DSPIRV_TIMER_ENABLED)
endif()
if ("${CMAKE_BUILD_TYPE}" STREQUAL "")
message(STATUS "No build type selected, default to Debug")
set(CMAKE_BUILD_TYPE "Debug")
endif()
option(SKIP_SPIRV_TOOLS_INSTALL "Skip installation" ${SKIP_SPIRV_TOOLS_INSTALL})
if(NOT ${SKIP_SPIRV_TOOLS_INSTALL})
set(ENABLE_SPIRV_TOOLS_INSTALL ON)
endif()
option(SPIRV_BUILD_COMPRESSION "Build SPIR-V compressing codec" OFF)
if(SPIRV_BUILD_COMPRESSION)
message(FATAL_ERROR "SPIR-V compression codec has been removed from SPIR-V tools. "
"Please remove SPIRV_BUILD_COMPRESSION from your build options.")
endif(SPIRV_BUILD_COMPRESSION)
option(SPIRV_BUILD_FUZZER "Build spirv-fuzz" OFF)
set(SPIRV_LIB_FUZZING_ENGINE_LINK_OPTIONS "" CACHE STRING "Used by OSS-Fuzz to control, via link options, which fuzzing engine should be used")
option(SPIRV_BUILD_LIBFUZZER_TARGETS "Build libFuzzer targets" OFF)
option(SPIRV_WERROR "Enable error on warning" ON)
if(("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") OR (("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang") AND (NOT CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC")))
set(COMPILER_IS_LIKE_GNU TRUE)
endif()
if(${COMPILER_IS_LIKE_GNU})
set(SPIRV_WARNINGS -Wall -Wextra -Wnon-virtual-dtor -Wno-missing-field-initializers)
if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
set(SPIRV_WARNINGS ${SPIRV_WARNINGS} -Wno-self-assign)
endif()
option(SPIRV_WARN_EVERYTHING "Enable -Weverything" ${SPIRV_WARN_EVERYTHING})
if(${SPIRV_WARN_EVERYTHING})
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set(SPIRV_WARNINGS ${SPIRV_WARNINGS}
-Weverything -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-padded)
elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
set(SPIRV_WARNINGS ${SPIRV_WARNINGS} -Wpedantic -pedantic-errors)
else()
message(STATUS "Unknown compiler ${CMAKE_CXX_COMPILER_ID}, "
"so SPIRV_WARN_EVERYTHING has no effect")
endif()
endif()
if(${SPIRV_WERROR})
set(SPIRV_WARNINGS ${SPIRV_WARNINGS} -Werror)
endif()
elseif(MSVC)
set(SPIRV_WARNINGS -D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS /wd4800 /wd4819)
if(${SPIRV_WERROR})
set(SPIRV_WARNINGS ${SPIRV_WARNINGS} /WX)
endif()
endif()
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/)
option(SPIRV_COLOR_TERMINAL "Enable color terminal output" ON)
if(${SPIRV_COLOR_TERMINAL})
add_definitions(-DSPIRV_COLOR_TERMINAL)
endif()
option(SPIRV_LOG_DEBUG "Enable excessive debug output" OFF)
if(${SPIRV_LOG_DEBUG})
add_definitions(-DSPIRV_LOG_DEBUG)
endif()
if (DEFINED SPIRV_TOOLS_EXTRA_DEFINITIONS)
add_definitions(${SPIRV_TOOLS_EXTRA_DEFINITIONS})
endif()
# Library build setting definitions:
#
# * SPIRV_TOOLS_BUILD_STATIC - ON or OFF - Defaults to ON.
# If enabled the following targets will be created:
# ${SPIRV_TOOLS}-static - STATIC library.
# Has full public symbol visibility.
# ${SPIRV_TOOLS}-shared - SHARED library.
# Has default-hidden symbol visibility.
# ${SPIRV_TOOLS} - will alias to one of above, based on BUILD_SHARED_LIBS.
# If disabled the following targets will be created:
# ${SPIRV_TOOLS} - either STATIC or SHARED based on SPIRV_TOOLS_LIBRARY_TYPE.
# Has full public symbol visibility.
# ${SPIRV_TOOLS}-shared - SHARED library.
# Has default-hidden symbol visibility.
#
# * SPIRV_TOOLS_LIBRARY_TYPE - SHARED or STATIC.
# Specifies the library type used for building SPIRV-Tools libraries.
# Defaults to SHARED when BUILD_SHARED_LIBS=1, otherwise STATIC.
#
# * SPIRV_TOOLS_FULL_VISIBILITY - "${SPIRV_TOOLS}-static" or "${SPIRV_TOOLS}"
# Evaluates to the SPIRV_TOOLS target library name that has no hidden symbols.
# This is used by internal targets for accessing symbols that are non-public.
# Note this target provides no API stability guarantees.
#
# Ideally, all of these will go away - see https://github.com/KhronosGroup/SPIRV-Tools/issues/3909.
option(ENABLE_EXCEPTIONS_ON_MSVC "Build SPIRV-TOOLS with c++ exceptions enabled in MSVC" ON)
option(SPIRV_TOOLS_BUILD_STATIC "Build ${SPIRV_TOOLS}-static target. ${SPIRV_TOOLS} will alias to ${SPIRV_TOOLS}-static or ${SPIRV_TOOLS}-shared based on BUILD_SHARED_LIBS" ON)
if(SPIRV_TOOLS_BUILD_STATIC)
set(SPIRV_TOOLS_FULL_VISIBILITY ${SPIRV_TOOLS}-static)
set(SPIRV_TOOLS_LIBRARY_TYPE "STATIC")
else(SPIRV_TOOLS_BUILD_STATIC)
set(SPIRV_TOOLS_FULL_VISIBILITY ${SPIRV_TOOLS})
if (NOT DEFINED SPIRV_TOOLS_LIBRARY_TYPE)
if(BUILD_SHARED_LIBS)
set(SPIRV_TOOLS_LIBRARY_TYPE "SHARED")
else()
set(SPIRV_TOOLS_LIBRARY_TYPE "STATIC")
endif()
endif()
endif(SPIRV_TOOLS_BUILD_STATIC)
function(spvtools_default_compile_options TARGET)
target_compile_options(${TARGET} PRIVATE ${SPIRV_WARNINGS})
if (${COMPILER_IS_LIKE_GNU})
target_compile_options(${TARGET} PRIVATE
-Wall -Wextra -Wno-long-long -Wshadow -Wundef -Wconversion
-Wno-sign-conversion -fno-exceptions)
if(NOT ENABLE_RTTI)
add_compile_options(-fno-rtti)
endif()
# For good call stacks in profiles, keep the frame pointers.
if(NOT "${SPIRV_PERF}" STREQUAL "")
target_compile_options(${TARGET} PRIVATE -fno-omit-frame-pointer)
endif()
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")
set(SPIRV_USE_SANITIZER "" CACHE STRING
"Use the clang sanitizer [address|memory|thread|...]")
if(NOT "${SPIRV_USE_SANITIZER}" STREQUAL "")
target_compile_options(${TARGET} PRIVATE
-fsanitize=${SPIRV_USE_SANITIZER})
set_target_properties(${TARGET} PROPERTIES
LINK_FLAGS -fsanitize=${SPIRV_USE_SANITIZER})
endif()
target_compile_options(${TARGET} PRIVATE
-ftemplate-depth=1024)
else()
target_compile_options(${TARGET} PRIVATE
-Wno-missing-field-initializers)
endif()
endif()
if (MSVC)
# Specify /EHs for exception handling. This makes using SPIRV-Tools as
# dependencies in other projects easier.
if(ENABLE_EXCEPTIONS_ON_MSVC)
target_compile_options(${TARGET} PRIVATE /EHs)
endif()
endif()
# For MinGW cross compile, statically link to the C++ runtime.
# But it still depends on MSVCRT.dll.
if (${CMAKE_SYSTEM_NAME} MATCHES "Windows")
if (NOT MSVC)
set_target_properties(${TARGET} PROPERTIES
LINK_FLAGS -static -static-libgcc -static-libstdc++)
endif()
endif()
endfunction()
if(NOT COMMAND find_host_package)
macro(find_host_package)
find_package(${ARGN})
endmacro()
endif()
if(NOT COMMAND find_host_program)
macro(find_host_program)
find_program(${ARGN})
endmacro()
endif()
# Tests require Python3
find_host_package(Python3 REQUIRED)
# Check for symbol exports on Linux.
# At the moment, this check will fail on the OSX build machines for the Android NDK.
# It appears they don't have objdump.
if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
macro(spvtools_check_symbol_exports TARGET)
if (NOT "${SPIRV_SKIP_TESTS}")
add_test(NAME spirv-tools-symbol-exports-${TARGET}
COMMAND Python3::Interpreter
${spirv-tools_SOURCE_DIR}/utils/check_symbol_exports.py "$<TARGET_FILE:${TARGET}>")
endif()
endmacro()
else()
macro(spvtools_check_symbol_exports TARGET)
if (NOT "${SPIRV_SKIP_TESTS}")
message("Skipping symbol exports test for ${TARGET}")
endif()
endmacro()
endif()
if(ENABLE_SPIRV_TOOLS_INSTALL)
if(WIN32 AND NOT MINGW)
macro(spvtools_config_package_dir TARGET PATH)
set(${PATH} ${TARGET}/cmake)
endmacro()
else()
macro(spvtools_config_package_dir TARGET PATH)
set(${PATH} ${CMAKE_INSTALL_LIBDIR}/cmake/${TARGET})
endmacro()
endif()
macro(spvtools_generate_config_file TARGET)
file(WRITE ${CMAKE_BINARY_DIR}/${TARGET}Config.cmake
"include(CMakeFindDependencyMacro)\n"
"find_dependency(${SPIRV_TOOLS})\n"
"include(\${CMAKE_CURRENT_LIST_DIR}/${TARGET}Targets.cmake)\n"
"set(${TARGET}_LIBRARIES ${TARGET})\n"
"get_target_property(${TARGET}_INCLUDE_DIRS ${TARGET} INTERFACE_INCLUDE_DIRECTORIES)\n")
endmacro()
endif()
# Defaults to OFF if the user didn't set it.
option(SPIRV_SKIP_EXECUTABLES
"Skip building the executable and tests along with the library"
${SPIRV_SKIP_EXECUTABLES})
option(SPIRV_SKIP_TESTS
"Skip building tests along with the library" ${SPIRV_SKIP_TESTS})
if ("${SPIRV_SKIP_EXECUTABLES}")
set(SPIRV_SKIP_TESTS ON)
endif()
# Defaults to ON. The checks can be time consuming.
# Turn off if they take too long.
option(SPIRV_CHECK_CONTEXT "In a debug build, check if the IR context is in a valid state." ON)
if (${SPIRV_CHECK_CONTEXT})
add_compile_options($<$<CONFIG:Debug>:-DSPIRV_CHECK_CONTEXT>)
endif()
# Precompiled header macro. Parameters are source file list and filename for pch cpp file.
macro(spvtools_pch SRCS PCHPREFIX)
if(MSVC AND CMAKE_GENERATOR MATCHES "^Visual Studio" AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
set(PCH_NAME "$(IntDir)\\${PCHPREFIX}.pch")
# make source files use/depend on PCH_NAME
set_source_files_properties(${${SRCS}} PROPERTIES COMPILE_FLAGS "/Yu${PCHPREFIX}.h /FI${PCHPREFIX}.h /Fp${PCH_NAME} /Zm300" OBJECT_DEPENDS "${PCH_NAME}")
# make PCHPREFIX.cpp file compile and generate PCH_NAME
set_source_files_properties("${PCHPREFIX}.cpp" PROPERTIES COMPILE_FLAGS "/Yc${PCHPREFIX}.h /Fp${PCH_NAME} /Zm300" OBJECT_OUTPUTS "${PCH_NAME}")
list(APPEND ${SRCS} "${PCHPREFIX}.cpp")
endif()
endmacro(spvtools_pch)
add_subdirectory(external)
# Warning about extra semi-colons.
#
# This is not supported on all compilers/versions. so enabling only
# for clang, since that works for all versions that our bots run.
#
# This is intentionally done after adding the external subdirectory,
# so we don't enforce this flag on our dependencies, some of which do
# not pass it.
#
# If the minimum version of CMake supported is updated to 3.0 or
# later, then check_cxx_compiler_flag could be used instead.
if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
add_compile_options("-Wextra-semi")
endif()
add_subdirectory(source)
add_subdirectory(tools)
add_subdirectory(test)
add_subdirectory(examples)
if(ENABLE_SPIRV_TOOLS_INSTALL)
install(
FILES
${CMAKE_CURRENT_SOURCE_DIR}/include/spirv-tools/libspirv.h
${CMAKE_CURRENT_SOURCE_DIR}/include/spirv-tools/libspirv.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/spirv-tools/optimizer.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/spirv-tools/linker.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/spirv-tools/instrument.hpp
DESTINATION
${CMAKE_INSTALL_INCLUDEDIR}/spirv-tools/)
endif(ENABLE_SPIRV_TOOLS_INSTALL)
if (NOT "${SPIRV_SKIP_TESTS}")
add_test(NAME spirv-tools-copyrights
COMMAND Python3::Interpreter utils/check_copyright.py
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
endif()
set(SPIRV_LIBRARIES "-lSPIRV-Tools-opt -lSPIRV-Tools -lSPIRV-Tools-link")
set(SPIRV_SHARED_LIBRARIES "-lSPIRV-Tools-shared")
# Build pkg-config file
# Use a first-class target so it's regenerated when relevant files are updated.
add_custom_target(spirv-tools-pkg-config ALL
COMMAND ${CMAKE_COMMAND}
-DCHANGES_FILE=${CMAKE_CURRENT_SOURCE_DIR}/CHANGES
-DTEMPLATE_FILE=${CMAKE_CURRENT_SOURCE_DIR}/cmake/SPIRV-Tools.pc.in
-DOUT_FILE=${CMAKE_CURRENT_BINARY_DIR}/SPIRV-Tools.pc
-DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
-DCMAKE_INSTALL_LIBDIR=${CMAKE_INSTALL_LIBDIR}
-DCMAKE_INSTALL_INCLUDEDIR=${CMAKE_INSTALL_INCLUDEDIR}
-DSPIRV_LIBRARIES=${SPIRV_LIBRARIES}
-P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/write_pkg_config.cmake
DEPENDS "CHANGES" "cmake/SPIRV-Tools.pc.in" "cmake/write_pkg_config.cmake")
add_custom_target(spirv-tools-shared-pkg-config ALL
COMMAND ${CMAKE_COMMAND}
-DCHANGES_FILE=${CMAKE_CURRENT_SOURCE_DIR}/CHANGES
-DTEMPLATE_FILE=${CMAKE_CURRENT_SOURCE_DIR}/cmake/SPIRV-Tools-shared.pc.in
-DOUT_FILE=${CMAKE_CURRENT_BINARY_DIR}/SPIRV-Tools-shared.pc
-DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
-DCMAKE_INSTALL_LIBDIR=${CMAKE_INSTALL_LIBDIR}
-DCMAKE_INSTALL_INCLUDEDIR=${CMAKE_INSTALL_INCLUDEDIR}
-DSPIRV_SHARED_LIBRARIES=${SPIRV_SHARED_LIBRARIES}
-P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/write_pkg_config.cmake
DEPENDS "CHANGES" "cmake/SPIRV-Tools-shared.pc.in" "cmake/write_pkg_config.cmake")
# Install pkg-config file
if (ENABLE_SPIRV_TOOLS_INSTALL)
install(
FILES
${CMAKE_CURRENT_BINARY_DIR}/SPIRV-Tools.pc
${CMAKE_CURRENT_BINARY_DIR}/SPIRV-Tools-shared.pc
DESTINATION
${CMAKE_INSTALL_LIBDIR}/pkgconfig)
endif()