88 lines
3.6 KiB
CMake
88 lines
3.6 KiB
CMake
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register_flag_optional(CMAKE_CXX_COMPILER
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"Any CXX compiler that is supported by CMake detection, this is used for host compilation when required by the SYCL compiler"
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"c++")
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register_flag_required(SYCL_COMPILER
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"Compile using the specified SYCL compiler implementation
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Supported values are
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ONEAPI-DPCPP - dpc++ that is part of an oneAPI Base Toolkit distribution (https://software.intel.com/content/www/us/en/develop/tools/oneapi/base-toolkit.html)
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DPCPP - dpc++ as a standalone compiler (https://github.com/intel/llvm)
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HIPSYCL - hipSYCL compiler (https://github.com/illuhad/hipSYCL)
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COMPUTECPP - ComputeCpp compiler (https://developer.codeplay.com/products/computecpp/ce/home)")
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register_flag_optional(SYCL_COMPILER_DIR
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"Absolute path to the selected SYCL compiler directory, most are packaged differently so set the path according to `SYCL_COMPILER`:
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ONEAPI-DPCPP - not required but `dpcpp` must be on PATH, load oneAPI as per documentation (i.e `source /opt/intel/oneapi/setvars.sh` first)
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HIPSYCL|DPCPP|COMPUTECPP - set to the root of the binary distribution that contains at least `bin/`, `include/`, and `lib/`"
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"")
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register_flag_optional(OpenCL_LIBRARY
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"[ComputeCpp only] Path to OpenCL library, usually called libOpenCL.so"
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"${OpenCL_LIBRARY}")
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macro(setup)
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set(CMAKE_CXX_STANDARD 17)
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if (${SYCL_COMPILER} STREQUAL "HIPSYCL")
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set(hipSYCL_DIR ${SYCL_COMPILER_DIR}/lib/cmake/hipSYCL)
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if (NOT EXISTS "${hipSYCL_DIR}")
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message(WARNING "Falling back to hipSYCL < 0.9.0 CMake structure")
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set(hipSYCL_DIR ${SYCL_COMPILER_DIR}/lib/cmake)
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endif ()
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if (NOT EXISTS "${hipSYCL_DIR}")
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message(FATAL_ERROR "Can't find the appropriate CMake definitions for hipSYCL")
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endif ()
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# register_definitions(_GLIBCXX_USE_CXX11_ABI=0)
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find_package(hipSYCL CONFIG REQUIRED)
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message(STATUS "ok")
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elseif (${SYCL_COMPILER} STREQUAL "COMPUTECPP")
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list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/Modules)
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set(ComputeCpp_DIR ${SYCL_COMPILER_DIR})
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# don't point to the CL dir as the imports already have the CL prefix
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set(OpenCL_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/CL")
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register_definitions(CL_TARGET_OPENCL_VERSION=220 _GLIBCXX_USE_CXX11_ABI=0)
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# ComputeCpp needs OpenCL
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find_package(ComputeCpp REQUIRED)
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# this must come after FindComputeCpp (!)
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set(COMPUTECPP_USER_FLAGS -O3 -no-serial-memop)
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elseif (${SYCL_COMPILER} STREQUAL "DPCPP")
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set(CMAKE_CXX_COMPILER ${SYCL_COMPILER_DIR}/bin/clang++)
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include_directories(${SYCL_COMPILER_DIR}/include/sycl)
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register_definitions(CL_TARGET_OPENCL_VERSION=220)
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register_append_cxx_flags(ANY -fsycl)
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register_append_link_flags(-fsycl)
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elseif (${SYCL_COMPILER} STREQUAL "ONEAPI-DPCPP")
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set(CMAKE_CXX_COMPILER dpcpp)
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register_definitions(CL_TARGET_OPENCL_VERSION=220)
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else ()
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message(FATAL_ERROR "SYCL_COMPILER=${SYCL_COMPILER} is unsupported")
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endif ()
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endmacro()
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macro(setup_target NAME)
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if (
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(${SYCL_COMPILER} STREQUAL "COMPUTECPP") OR
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(${SYCL_COMPILER} STREQUAL "HIPSYCL"))
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# so ComputeCpp and hipSYCL has this weird (and bad) CMake usage where they append their
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# own custom integration header flags AFTER the target has been specified
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# hence this macro here
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add_sycl_to_target(
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TARGET ${NAME}
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SOURCES ${IMPL_SOURCES})
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endif ()
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endmacro()
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