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# ########################################################################
# Copyright 2013 Advanced Micro Devices, 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.
# ########################################################################
# Locate an OpenCL implementation.
# Currently supports AMD APP SDK (http://developer.amd.com/sdks/AMDAPPSDK/Pages/default.aspx/)
#
# Defines the following variables:
#
# OPENCL_FOUND - Found the OPENCL framework
# OPENCL_INCLUDE_DIRS - Include directories
#
# Also defines the library variables below as normal
# variables. These contain debug/optimized keywords when
# a debugging library is found.
#
# OPENCL_LIBRARIES - libopencl
#
# Accepts the following variables as input:
#
# OPENCL_ROOT - (as a CMake or environment variable)
# The root directory of the OpenCL implementation found
#
# FIND_LIBRARY_USE_LIB64_PATHS - Global property that controls whether findOpenCL should search for
# 64bit or 32bit libs
#-----------------------
# Example Usage:
#
# find_package(OPENCL REQUIRED)
# include_directories(${OPENCL_INCLUDE_DIRS})
#
# add_executable(foo foo.cc)
# target_link_libraries(foo ${OPENCL_LIBRARIES})
#
#-----------------------
find_path(OPENCL_INCLUDE_DIRS
NAMES OpenCL/cl.h CL/cl.h
HINTS
${OPENCL_ROOT}/include
$ENV{AMDAPPSDKROOT}/include
$ENV{CUDA_PATH}/include
PATHS
/usr/include
/usr/local/include
/usr/local/cuda/include
/opt/cuda/include
DOC "OpenCL header file path"
)
mark_as_advanced( OPENCL_INCLUDE_DIRS )
# Search for 64bit libs if FIND_LIBRARY_USE_LIB64_PATHS is set to true in the global environment, 32bit libs else
get_property( LIB64 GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS )
if( LIB64 )
find_library( OPENCL_LIBRARIES
NAMES OpenCL
HINTS
${OPENCL_ROOT}/lib
$ENV{AMDAPPSDKROOT}/lib
$ENV{CUDA_PATH}/lib
/usr/local/cuda/lib
/opt/cuda/lib
DOC "OpenCL dynamic library path"
PATH_SUFFIXES x86_64 x64
PATHS
/usr/lib
)
else( )
find_library( OPENCL_LIBRARIES
NAMES OpenCL
HINTS
${OPENCL_ROOT}/lib
$ENV{AMDAPPSDKROOT}/lib
$ENV{CUDA_PATH}/lib
/usr/local/cuda/lib
/opt/cuda/lib
DOC "OpenCL dynamic library path"
PATH_SUFFIXES x86 Win32
PATHS
/usr/lib
)
endif( )
mark_as_advanced( OPENCL_LIBRARIES )
include( FindPackageHandleStandardArgs )
FIND_PACKAGE_HANDLE_STANDARD_ARGS( OPENCL DEFAULT_MSG OPENCL_LIBRARIES OPENCL_INCLUDE_DIRS )
if( NOT OPENCL_FOUND )
message( STATUS "FindOpenCL looked for libraries named: OpenCL" )
endif()
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