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-# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
-
-#[=======================================================================[.rst:
-FindOpenCL
-----------
-
-Finds Open Computing Language (OpenCL)
-
-IMPORTED Targets
-^^^^^^^^^^^^^^^^
-
-This module defines :prop_tgt:`IMPORTED` target ``OpenCL::OpenCL``, if
-OpenCL has been found.
-
-Result Variables
-^^^^^^^^^^^^^^^^
-
-This module defines the following variables::
-
- OpenCL_FOUND - True if OpenCL was found
- OpenCL_INCLUDE_DIRS - include directories for OpenCL
- OpenCL_LIBRARIES - link against this library to use OpenCL
- OpenCL_VERSION_STRING - Highest supported OpenCL version (eg. 1.2)
- OpenCL_VERSION_MAJOR - The major version of the OpenCL implementation
- OpenCL_VERSION_MINOR - The minor version of the OpenCL implementation
-
-The module will also define two cache variables::
-
- OpenCL_INCLUDE_DIR - the OpenCL include directory
- OpenCL_LIBRARY - the path to the OpenCL library
-
-#]=======================================================================]
-
-function(_FIND_OPENCL_VERSION)
- include(CheckSymbolExists)
- include(CMakePushCheckState)
- set(CMAKE_REQUIRED_QUIET ${OpenCL_FIND_QUIETLY})
-
- CMAKE_PUSH_CHECK_STATE()
- foreach(VERSION "2_2" "2_1" "2_0" "1_2" "1_1" "1_0")
- set(CMAKE_REQUIRED_INCLUDES "${OpenCL_INCLUDE_DIR}")
-
- if(APPLE)
- CHECK_SYMBOL_EXISTS(
- CL_VERSION_${VERSION}
- "${OpenCL_INCLUDE_DIR}/Headers/cl.h"
- OPENCL_VERSION_${VERSION})
- else()
- CHECK_SYMBOL_EXISTS(
- CL_VERSION_${VERSION}
- "${OpenCL_INCLUDE_DIR}/CL/cl.h"
- OPENCL_VERSION_${VERSION})
- endif()
-
- if(OPENCL_VERSION_${VERSION})
- string(REPLACE "_" "." VERSION "${VERSION}")
- set(OpenCL_VERSION_STRING ${VERSION} PARENT_SCOPE)
- string(REGEX MATCHALL "[0-9]+" version_components "${VERSION}")
- list(GET version_components 0 major_version)
- list(GET version_components 1 minor_version)
- set(OpenCL_VERSION_MAJOR ${major_version} PARENT_SCOPE)
- set(OpenCL_VERSION_MINOR ${minor_version} PARENT_SCOPE)
- break()
- endif()
- endforeach()
- CMAKE_POP_CHECK_STATE()
-endfunction()
-
-find_path(OpenCL_INCLUDE_DIR
- NAMES
- CL/cl.h OpenCL/cl.h
- PATHS
- ENV "PROGRAMFILES(X86)"
- ENV AMDAPPSDKROOT
- ENV INTELOCLSDKROOT
- ENV NVSDKCOMPUTE_ROOT
- ENV CUDA_PATH
- ENV ATISTREAMSDKROOT
- ENV OCL_ROOT
- PATH_SUFFIXES
- include
- OpenCL/common/inc
- "AMD APP/include")
-
-_FIND_OPENCL_VERSION()
-
-if(WIN32)
- if(CMAKE_SIZEOF_VOID_P EQUAL 4)
- find_library(OpenCL_LIBRARY
- NAMES OpenCL
- PATHS
- ENV "PROGRAMFILES(X86)"
- ENV AMDAPPSDKROOT
- ENV INTELOCLSDKROOT
- ENV CUDA_PATH
- ENV NVSDKCOMPUTE_ROOT
- ENV ATISTREAMSDKROOT
- ENV OCL_ROOT
- PATH_SUFFIXES
- "AMD APP/lib/x86"
- lib/x86
- lib/Win32
- OpenCL/common/lib/Win32)
- elseif(CMAKE_SIZEOF_VOID_P EQUAL 8)
- find_library(OpenCL_LIBRARY
- NAMES OpenCL
- PATHS
- ENV "PROGRAMFILES(X86)"
- ENV AMDAPPSDKROOT
- ENV INTELOCLSDKROOT
- ENV CUDA_PATH
- ENV NVSDKCOMPUTE_ROOT
- ENV ATISTREAMSDKROOT
- ENV OCL_ROOT
- PATH_SUFFIXES
- "AMD APP/lib/x86_64"
- lib/x86_64
- lib/x64
- OpenCL/common/lib/x64)
- endif()
-else()
- if(CMAKE_SIZEOF_VOID_P EQUAL 4)
- find_library(OpenCL_LIBRARY
- NAMES OpenCL
- PATHS
- ENV AMDAPPSDKROOT
- ENV CUDA_PATH
- PATH_SUFFIXES
- lib/x86
- lib)
- elseif(CMAKE_SIZEOF_VOID_P EQUAL 8)
- find_library(OpenCL_LIBRARY
- NAMES OpenCL
- PATHS
- ENV AMDAPPSDKROOT
- ENV CUDA_PATH
- PATH_SUFFIXES
- lib/x86_64
- lib/x64
- lib
- lib64)
- endif()
-endif()
-
-set(OpenCL_LIBRARIES ${OpenCL_LIBRARY})
-set(OpenCL_INCLUDE_DIRS ${OpenCL_INCLUDE_DIR})
-
-include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
-find_package_handle_standard_args(
- OpenCL
- FOUND_VAR OpenCL_FOUND
- REQUIRED_VARS OpenCL_LIBRARY OpenCL_INCLUDE_DIR
- VERSION_VAR OpenCL_VERSION_STRING)
-
-mark_as_advanced(
- OpenCL_INCLUDE_DIR
- OpenCL_LIBRARY)
-
-if(OpenCL_FOUND AND NOT TARGET OpenCL::OpenCL)
- if(OpenCL_LIBRARY MATCHES "/([^/]+)\\.framework$")
- add_library(OpenCL::OpenCL INTERFACE IMPORTED)
- set_target_properties(OpenCL::OpenCL PROPERTIES
- INTERFACE_LINK_LIBRARIES "${OpenCL_LIBRARY}")
- else()
- add_library(OpenCL::OpenCL UNKNOWN IMPORTED)
- set_target_properties(OpenCL::OpenCL PROPERTIES
- IMPORTED_LOCATION "${OpenCL_LIBRARY}")
- endif()
- set_target_properties(OpenCL::OpenCL PROPERTIES
- INTERFACE_INCLUDE_DIRECTORIES "${OpenCL_INCLUDE_DIRS}")
-endif()