246 lines
8.8 KiB
CMake
246 lines
8.8 KiB
CMake
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#.rst:
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# FindComputeCpp
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#---------------
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#
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# Copyright 2016 Codeplay Software Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use these files except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#########################
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# FindComputeCpp.cmake
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#########################
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#
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# Tools for finding and building with ComputeCpp.
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#
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# User must define COMPUTECPP_PACKAGE_ROOT_DIR pointing to the ComputeCpp
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# installation.
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#
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# Latest version of this file can be found at:
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# https://github.com/codeplaysoftware/computecpp-sdk
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# Require CMake version 3.2.2 or higher
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cmake_minimum_required(VERSION 3.2.2)
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# Check that a supported host compiler can be found
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if(CMAKE_COMPILER_IS_GNUCXX)
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# Require at least gcc 4.8
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
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message(FATAL_ERROR
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"host compiler - Not found! (gcc version must be at least 4.8)")
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# Require the GCC dual ABI to be disabled for 5.1 or higher
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elseif (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 5.1)
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set(COMPUTECPP_DISABLE_GCC_DUAL_ABI "True")
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message(STATUS
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"host compiler - gcc ${CMAKE_CXX_COMPILER_VERSION} (note pre 5.1 gcc ABI enabled)")
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else()
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message(STATUS "host compiler - gcc ${CMAKE_CXX_COMPILER_VERSION}")
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endif()
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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# Require at least clang 3.6
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if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 3.6)
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message(FATAL_ERROR
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"host compiler - Not found! (clang version must be at least 3.6)")
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else()
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message(STATUS "host compiler - clang ${CMAKE_CXX_COMPILER_VERSION}")
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endif()
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else()
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message(WARNING
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"host compiler - Not found! (ComputeCpp supports GCC and Clang, see readme)")
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endif()
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set(COMPUTECPP_64_BIT_DEFAULT ON)
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option(COMPUTECPP_64_BIT_CODE "Compile device code in 64 bit mode"
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${COMPUTECPP_64_BIT_DEFAULT})
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mark_as_advanced(COMPUTECPP_64_BIT_CODE)
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# Find OpenCL package
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find_package(OpenCL REQUIRED)
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# Find ComputeCpp packagee
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if(NOT COMPUTECPP_PACKAGE_ROOT_DIR)
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message(FATAL_ERROR
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"ComputeCpp package - Not found! (please set COMPUTECPP_PACKAGE_ROOT_DIR")
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else()
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message(STATUS "ComputeCpp package - Found")
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endif()
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option(COMPUTECPP_PACKAGE_ROOT_DIR "Path to the ComputeCpp Package")
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# Obtain the path to compute++
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find_program(COMPUTECPP_DEVICE_COMPILER compute++ PATHS
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${COMPUTECPP_PACKAGE_ROOT_DIR} PATH_SUFFIXES bin)
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if (EXISTS ${COMPUTECPP_DEVICE_COMPILER})
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mark_as_advanced(COMPUTECPP_DEVICE_COMPILER)
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message(STATUS "compute++ - Found")
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else()
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message(FATAL_ERROR "compute++ - Not found! (${COMPUTECPP_DEVICE_COMPILER})")
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endif()
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# Obtain the path to computecpp_info
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find_program(COMPUTECPP_INFO_TOOL computecpp_info PATHS
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${COMPUTECPP_PACKAGE_ROOT_DIR} PATH_SUFFIXES bin)
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if (EXISTS ${COMPUTECPP_INFO_TOOL})
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mark_as_advanced(${COMPUTECPP_INFO_TOOL})
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message(STATUS "computecpp_info - Found")
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else()
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message(FATAL_ERROR "computecpp_info - Not found! (${COMPUTECPP_INFO_TOOL})")
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endif()
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# Obtain the path to the ComputeCpp runtime library
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find_library(COMPUTECPP_RUNTIME_LIBRARY ComputeCpp PATHS ${COMPUTECPP_PACKAGE_ROOT_DIR}
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HINTS ${COMPUTECPP_PACKAGE_ROOT_DIR}/lib PATH_SUFFIXES lib
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DOC "ComputeCpp Runtime Library" NO_DEFAULT_PATH)
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if (EXISTS ${COMPUTECPP_RUNTIME_LIBRARY})
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mark_as_advanced(COMPUTECPP_RUNTIME_LIBRARY)
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message(STATUS "libComputeCpp.so - Found")
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else()
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message(FATAL_ERROR "libComputeCpp.so - Not found!")
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endif()
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# Obtain the ComputeCpp include directory
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set(COMPUTECPP_INCLUDE_DIRECTORY ${COMPUTECPP_PACKAGE_ROOT_DIR}/include/)
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if (NOT EXISTS ${COMPUTECPP_INCLUDE_DIRECTORY})
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message(FATAL_ERROR "ComputeCpp includes - Not found!")
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else()
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message(STATUS "ComputeCpp includes - Found")
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endif()
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# Obtain the package version
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execute_process(COMMAND ${COMPUTECPP_INFO_TOOL} "--dump-version"
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OUTPUT_VARIABLE COMPUTECPP_PACKAGE_VERSION
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RESULT_VARIABLE COMPUTECPP_INFO_TOOL_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(NOT COMPUTECPP_INFO_TOOL_RESULT EQUAL "0")
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message(FATAL_ERROR "Package version - Error obtaining version!")
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else()
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mark_as_advanced(COMPUTECPP_PACKAGE_VERSION)
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message(STATUS "Package version - ${COMPUTECPP_PACKAGE_VERSION}")
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endif()
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# Obtain the device compiler flags
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execute_process(COMMAND ${COMPUTECPP_INFO_TOOL} "--dump-device-compiler-flags"
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OUTPUT_VARIABLE COMPUTECPP_DEVICE_COMPILER_FLAGS
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RESULT_VARIABLE COMPUTECPP_INFO_TOOL_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(NOT COMPUTECPP_INFO_TOOL_RESULT EQUAL "0")
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message(FATAL_ERROR "compute++ flags - Error obtaining compute++ flags!")
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else()
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mark_as_advanced(COMPUTECPP_COMPILER_FLAGS)
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message(STATUS "compute++ flags - ${COMPUTECPP_DEVICE_COMPILER_FLAGS}")
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endif()
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set(COMPUTECPP_DEVICE_COMPILER_FLAGS ${COMPUTECPP_DEVICE_COMPILER_FLAGS} -sycl-compress-name -Wall -no-serial-memop -DEIGEN_NO_ASSERTION_CHECKING=1)
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# Check if the platform is supported
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execute_process(COMMAND ${COMPUTECPP_INFO_TOOL} "--dump-is-supported"
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OUTPUT_VARIABLE COMPUTECPP_PLATFORM_IS_SUPPORTED
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RESULT_VARIABLE COMPUTECPP_INFO_TOOL_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(NOT COMPUTECPP_INFO_TOOL_RESULT EQUAL "0")
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message(FATAL_ERROR "platform - Error checking platform support!")
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else()
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mark_as_advanced(COMPUTECPP_PLATFORM_IS_SUPPORTED)
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if (COMPUTECPP_PLATFORM_IS_SUPPORTED)
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message(STATUS "platform - your system can support ComputeCpp")
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else()
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message(STATUS "platform - your system CANNOT support ComputeCpp")
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endif()
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endif()
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####################
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# __build_sycl
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####################
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#
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# Adds a custom target for running compute++ and adding a dependency for the
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# resulting integration header.
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#
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# targetName : Name of the target.
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# sourceFile : Source file to be compiled.
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# binaryDir : Intermediate directory to output the integration header.
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#
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function(__build_spir targetName sourceFile binaryDir)
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# Retrieve source file name.
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get_filename_component(sourceFileName ${sourceFile} NAME)
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# Set the path to the Sycl file.
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set(outputSyclFile ${binaryDir}/${sourceFileName}.sycl)
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# Add any user-defined include to the device compiler
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get_property(includeDirectories DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY
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INCLUDE_DIRECTORIES)
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set(device_compiler_includes "")
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foreach(directory ${includeDirectories})
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set(device_compiler_includes "-I${directory}" ${device_compiler_includes})
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endforeach()
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if (CMAKE_INCLUDE_PATH)
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foreach(directory ${CMAKE_INCLUDE_PATH})
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set(device_compiler_includes "-I${directory}"
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${device_compiler_includes})
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endforeach()
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endif()
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# Convert argument list format
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separate_arguments(COMPUTECPP_DEVICE_COMPILER_FLAGS)
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# Add custom command for running compute++
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add_custom_command(
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OUTPUT ${outputSyclFile}
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COMMAND ${COMPUTECPP_DEVICE_COMPILER}
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${COMPUTECPP_DEVICE_COMPILER_FLAGS}
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-isystem ${COMPUTECPP_INCLUDE_DIRECTORY}
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${COMPUTECPP_PLATFORM_SPECIFIC_ARGS}
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${device_compiler_includes}
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-o ${outputSyclFile}
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-c ${CMAKE_CURRENT_SOURCE_DIR}/${sourceFile}
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DEPENDS ${sourceFile}
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WORKING_DIRECTORY ${binaryDir}
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COMMENT "Building ComputeCpp integration header file ${outputSyclFile}")
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# Add a custom target for the generated integration header
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add_custom_target(${targetName}_integration_header DEPENDS ${outputSyclFile})
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# Add a dependency on the integration header
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add_dependencies(${targetName} ${targetName}_integration_header)
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# Set the host compiler C++ standard to C++11
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set_property(TARGET ${targetName} PROPERTY CXX_STANDARD 11)
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# Disable GCC dual ABI on GCC 5.1 and higher
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if(COMPUTECPP_DISABLE_GCC_DUAL_ABI)
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set_property(TARGET ${targetName} APPEND PROPERTY COMPILE_DEFINITIONS
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"_GLIBCXX_USE_CXX11_ABI=0")
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endif()
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endfunction()
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#######################
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# add_sycl_to_target
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#######################
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#
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# Adds a SYCL compilation custom command associated with an existing
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# target and sets a dependancy on that new command.
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#
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# targetName : Name of the target to add a SYCL to.
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# sourceFile : Source file to be compiled for SYCL.
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# binaryDir : Intermediate directory to output the integration header.
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#
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function(add_sycl_to_target targetName sourceFile binaryDir)
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# Add custom target to run compute++ and generate the integration header
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__build_spir(${targetName} ${sourceFile} ${binaryDir})
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# Link with the ComputeCpp runtime library
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target_link_libraries(${targetName} PUBLIC ${COMPUTECPP_RUNTIME_LIBRARY}
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PUBLIC ${OpenCL_LIBRARIES})
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endfunction(add_sycl_to_target)
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