2018-04-29 10:02:40 +00:00
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# Copyright (C) 2011-2018 (see AUTHORS file for a list of contributors)
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#
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# This file is part of GNSS-SDR.
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#
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# GNSS-SDR is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# GNSS-SDR is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
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2013-10-01 20:32:04 +00:00
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#
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# This file taken from FindOpenCL project @ http://gitorious.com/findopencl
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#
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# - Try to find OpenCL
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# This module tries to find an OpenCL implementation on your system. It supports
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# AMD / ATI, Apple and NVIDIA implementations, but shoudl work, too.
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#
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# Once done this will define
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# OPENCL_FOUND - system has OpenCL
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# OPENCL_INCLUDE_DIRS - the OpenCL include directory
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# OPENCL_LIBRARIES - link these to use OpenCL
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#
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# WIN32 should work, but is untested
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FIND_PACKAGE( PackageHandleStandardArgs )
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SET (OPENCL_VERSION_STRING "0.1.0")
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SET (OPENCL_VERSION_MAJOR 0)
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SET (OPENCL_VERSION_MINOR 1)
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SET (OPENCL_VERSION_PATCH 0)
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IF (APPLE)
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FIND_LIBRARY(OPENCL_LIBRARIES OpenCL DOC "OpenCL lib for OSX")
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FIND_PATH(OPENCL_INCLUDE_DIRS OpenCL/cl.h DOC "Include for OpenCL on OSX")
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FIND_PATH(_OPENCL_CPP_INCLUDE_DIRS OpenCL/cl.hpp DOC "Include for OpenCL CPP bindings on OSX")
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ELSE (APPLE)
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IF (WIN32)
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FIND_PATH(OPENCL_INCLUDE_DIRS CL/cl.h)
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FIND_PATH(_OPENCL_CPP_INCLUDE_DIRS CL/cl.hpp)
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# The AMD SDK currently installs both x86 and x86_64 libraries
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# This is only a hack to find out architecture
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IF( ${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64" )
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SET(OPENCL_LIB_DIR "$ENV{ATISTREAMSDKROOT}/lib/x86_64")
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SET(OPENCL_LIB_DIR "$ENV{ATIINTERNALSTREAMSDKROOT}/lib/x86_64")
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ELSE (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64")
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SET(OPENCL_LIB_DIR "$ENV{ATISTREAMSDKROOT}/lib/x86")
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SET(OPENCL_LIB_DIR "$ENV{ATIINTERNALSTREAMSDKROOT}/lib/x86")
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ENDIF( ${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64" )
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# find out if the user asked for a 64-bit build, and use the corresponding
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# 64 or 32 bit NVIDIA library paths to the search:
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STRING(REGEX MATCH "Win64" ISWIN64 ${CMAKE_GENERATOR})
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IF("${ISWIN64}" STREQUAL "Win64")
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FIND_LIBRARY(OPENCL_LIBRARIES OpenCL.lib ${OPENCL_LIB_DIR} $ENV{CUDA_LIB_PATH} $ENV{CUDA_PATH}/lib/x64)
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ELSE("${ISWIN64}" STREQUAL "Win64")
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FIND_LIBRARY(OPENCL_LIBRARIES OpenCL.lib ${OPENCL_LIB_DIR} $ENV{CUDA_LIB_PATH} $ENV{CUDA_PATH}/lib/Win32)
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ENDIF("${ISWIN64}" STREQUAL "Win64")
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GET_FILENAME_COMPONENT(_OPENCL_INC_CAND ${OPENCL_LIB_DIR}/../../include ABSOLUTE)
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# On Win32 search relative to the library
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FIND_PATH(OPENCL_INCLUDE_DIRS CL/cl.h PATHS "${_OPENCL_INC_CAND}" $ENV{CUDA_INC_PATH} $ENV{CUDA_PATH}/include)
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FIND_PATH(_OPENCL_CPP_INCLUDE_DIRS CL/cl.hpp PATHS "${_OPENCL_INC_CAND}" $ENV{CUDA_INC_PATH} $ENV{CUDA_PATH}/include)
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ELSE (WIN32)
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# Unix style platforms
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FIND_LIBRARY(OPENCL_LIBRARIES OpenCL
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ENV LD_LIBRARY_PATH
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)
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GET_FILENAME_COMPONENT(OPENCL_LIB_DIR ${OPENCL_LIBRARIES} PATH)
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GET_FILENAME_COMPONENT(_OPENCL_INC_CAND ${OPENCL_LIB_DIR}/../../include ABSOLUTE)
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# The AMD SDK currently does not place its headers
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# in /usr/include, therefore also search relative
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# to the library
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FIND_PATH(OPENCL_INCLUDE_DIRS CL/cl.h PATHS ${_OPENCL_INC_CAND} "/usr/local/cuda/include")
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FIND_PATH(_OPENCL_CPP_INCLUDE_DIRS CL/cl.hpp PATHS ${_OPENCL_INC_CAND} "/usr/local/cuda/include")
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ENDIF (WIN32)
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ENDIF (APPLE)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS( OpenCL DEFAULT_MSG OPENCL_LIBRARIES OPENCL_INCLUDE_DIRS )
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IF( _OPENCL_CPP_INCLUDE_DIRS )
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SET( OPENCL_HAS_CPP_BINDINGS TRUE )
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LIST( APPEND OPENCL_INCLUDE_DIRS ${_OPENCL_CPP_INCLUDE_DIRS} )
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# This is often the same, so clean up
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LIST( REMOVE_DUPLICATES OPENCL_INCLUDE_DIRS )
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ENDIF( _OPENCL_CPP_INCLUDE_DIRS )
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MARK_AS_ADVANCED(
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OPENCL_INCLUDE_DIRS
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)
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IF( OPENCL_INCLUDE_DIRS AND OPENCL_LIBRARIES )
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SET( OPENCL_FOUND TRUE )
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add_definitions( -DOPENCL=1 )
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ELSE( OPENCL_INCLUDE_DIRS AND OPENCL_LIBRARIES )
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SET( OPENCL_FOUND FALSE )
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add_definitions( -DOPENCL=0 )
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ENDIF( OPENCL_INCLUDE_DIRS AND OPENCL_LIBRARIES )
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