wehub-resource-sync
73 lines
2.5 KiB
CMake
73 lines
2.5 KiB
CMake
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. 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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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#######################################################
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# Enhanced version of find OpenCL.
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#
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# Usage:
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# find_opencl(${USE_OPENCL})
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#
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# - When USE_OPENCL=ON, use OpenCL wrapper for dynamic linking
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# - When USE_OPENCL=/path/to/opencl-sdk-path, use the sdk.
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# Can be useful when cross compiling and cannot rely on
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# CMake to provide the correct library as part of the
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# requested toolchain.
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#
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# Provide variables:
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#
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# - OpenCL_FOUND
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# - OpenCL_INCLUDE_DIRS
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# - OpenCL_LIBRARIES
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#
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macro(find_opencl use_opencl)
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set(__use_opencl ${use_opencl})
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if(IS_DIRECTORY ${__use_opencl})
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set(__opencl_sdk ${__use_opencl})
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message(STATUS "Custom OpenCL SDK PATH=" ${__use_opencl})
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elseif(IS_DIRECTORY $ENV{OPENCL_SDK})
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set(__opencl_sdk $ENV{OPENCL_SDK})
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else()
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set(__opencl_sdk "")
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endif()
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if(__opencl_sdk)
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set(OpenCL_INCLUDE_DIRS ${__opencl_sdk}/include ${__opencl_sdk})
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if (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY STREQUAL "ONLY")
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH)
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endif()
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# we are in the section dedicated to the explicit pointing of OpenCL SDK path, we must not
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# look for the OpenCL library by default path, but should be limited by provided SDK
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find_library(OpenCL_LIBRARIES NAMES OpenCL NO_DEFAULT_PATH PATHS ${__opencl_sdk}/lib ${__opencl_sdk}/lib64 ${__opencl_sdk}/lib/x64/)
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if(OpenCL_LIBRARIES)
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set(OpenCL_FOUND TRUE)
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endif()
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endif(__opencl_sdk)
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# No user provided OpenCL include/libs found
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if(NOT OpenCL_FOUND)
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if(${__use_opencl} MATCHES ${IS_TRUE_PATTERN})
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find_package(OpenCL QUIET)
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endif()
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endif()
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if(OpenCL_FOUND)
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message(STATUS "OpenCL_INCLUDE_DIRS=" ${OpenCL_INCLUDE_DIRS})
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message(STATUS "OpenCL_LIBRARIES=" ${OpenCL_LIBRARIES})
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endif(OpenCL_FOUND)
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endmacro(find_opencl)
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