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125 lines
5.2 KiB
CMake
125 lines
5.2 KiB
CMake
###############################################################################
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#
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# FindNPP.cmake
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#
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# CUDA_NPP_LIBRARY_ROOT_DIR -- Path to the NPP dorectory.
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# CUDA_NPP_INCLUDES -- NPP Include directories.
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# CUDA_NPP_LIBRARIES -- NPP libraries.
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# NPP_VERSION -- NPP version in format "major.minor.build".
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#
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# If not found automatically, please set CUDA_NPP_LIBRARY_ROOT_DIR or
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# set enviroment varivabe $CUDA_NPP_ROOT
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#
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# Author: Anatoly Baksheev, Itseez Ltd.
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#
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# The MIT License
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#
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# License for the specific language governing rights and limitations under
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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#
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###############################################################################
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# We need to have at least this version to support the VERSION_LESS argument to 'if' (2.6.2) and unset (2.6.3)
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cmake_policy(PUSH)
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cmake_minimum_required(VERSION 2.6.3)
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cmake_policy(POP)
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if(NOT "${CUDA_NPP_LIBRARY_ROOT_DIR}" STREQUAL "${CUDA_NPP_LIBRARY_ROOT_DIR_INTERNAL}")
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unset(CUDA_NPP_INCLUDES CACHE)
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unset(CUDA_NPP_LIBRARIES CACHE)
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endif()
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if(CMAKE_SIZEOF_VOID_P EQUAL 4)
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if (UNIX OR APPLE)
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set(NPP_SUFFIX "32")
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else()
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set(NPP_SUFFIX "-mt")
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endif()
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else(CMAKE_SIZEOF_VOID_P EQUAL 4)
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if (UNIX OR APPLE)
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set(NPP_SUFFIX "64")
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else()
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set(NPP_SUFFIX "-mt-x64")
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endif()
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endif(CMAKE_SIZEOF_VOID_P EQUAL 4)
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if(NOT CUDA_NPP_LIBRARY_ROOT_DIR OR CUDA_NPP_LIBRARY_ROOT_DIR STREQUAL "")
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unset(CUDA_NPP_LIBRARY_ROOT_DIR CACHE)
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find_path(CUDA_NPP_LIBRARY_ROOT_DIR "common/npp/include/npp.h" PATHS ENV CUDA_NPP_ROOT DOC "NPP root directory.")
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MESSAGE(STATUS "NPP root directory: " ${CUDA_NPP_LIBRARY_ROOT_DIR})
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endif()
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# Search includes in our own paths.
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find_path(CUDA_NPP_INCLUDES npp.h PATHS "${CUDA_NPP_LIBRARY_ROOT_DIR}/common/npp/include")
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# Search default search paths, after we search our own set of paths.
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find_path(CUDA_NPP_INCLUDES device_functions.h)
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mark_as_advanced(CUDA_NPP_INCLUDES)
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# Find NPP library
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find_library(CUDA_NPP_LIBRARIES
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NAMES "npp" "npp${NPP_SUFFIX}" "libnpp${NPP_SUFFIX}"
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PATHS "${CUDA_NPP_LIBRARY_ROOT_DIR}"
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PATH_SUFFIXES "common/lib" "common/npp/lib"
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DOC "NPP library"
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)
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# Search default search paths, after we search our own set of paths.
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find_library(CUDA_NPP_LIBRARIES NAMES npp${NPP_SUFFIX} libnpp${NPP_SUFFIX} DOC "NPP library")
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mark_as_advanced(CUDA_NPP_LIBRARIES)
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if(EXISTS ${CUDA_NPP_INCLUDES}/nppversion.h)
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file( STRINGS ${CUDA_NPP_INCLUDES}/nppversion.h npp_major REGEX "#define NPP_VERSION_MAJOR.*")
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file( STRINGS ${CUDA_NPP_INCLUDES}/nppversion.h npp_minor REGEX "#define NPP_VERSION_MINOR.*")
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file( STRINGS ${CUDA_NPP_INCLUDES}/nppversion.h npp_build REGEX "#define NPP_VERSION_BUILD.*")
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string( REGEX REPLACE "#define NPP_VERSION_MAJOR[ \t]+|//.*" "" npp_major ${npp_major})
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string( REGEX REPLACE "#define NPP_VERSION_MINOR[ \t]+|//.*" "" npp_minor ${npp_minor})
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string( REGEX REPLACE "#define NPP_VERSION_BUILD[ \t]+|//.*" "" npp_build ${npp_build})
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string( REGEX MATCH "[0-9]+" npp_major ${npp_major} )
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string( REGEX MATCH "[0-9]+" npp_minor ${npp_minor} )
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string( REGEX MATCH "[0-9]+" npp_build ${npp_build} )
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set( NPP_VERSION "${npp_major}.${npp_minor}.${npp_build}")
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endif()
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if(NOT EXISTS ${CUDA_NPP_LIBRARIES} OR NOT EXISTS ${CUDA_NPP_INCLUDES}/npp.h)
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set(CUDA_NPP_FOUND FALSE)
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message(FATAL_ERROR "NPP headers/libraries are not found. Please specify CUDA_NPP_LIBRARY_ROOT_DIR in CMake or set $NPP_ROOT_DIR.")
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endif()
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include( FindPackageHandleStandardArgs )
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find_package_handle_standard_args( NPP
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REQUIRED_VARS
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CUDA_NPP_INCLUDES
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CUDA_NPP_LIBRARIES
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NPP_VERSION)
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if(APPLE)
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# We need to add the path to cudart to the linker using rpath, since the library name for the cuda libraries is prepended with @rpath.
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get_filename_component(_cuda_path_to_npp "${CUDA_NPP_LIBRARIES}" PATH)
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if(_cuda_path_to_npp)
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list(APPEND CUDA_NPP_LIBRARIES -Wl,-rpath "-Wl,${_cuda_path_to_npp}")
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endif()
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endif()
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set(CUDA_NPP_FOUND TRUE)
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set(CUDA_NPP_LIBRARY_ROOT_DIR_INTERNAL "${CUDA_NPP_LIBRARY_ROOT_DIR}" CACHE INTERNAL "This is the value of the last time CUDA_NPP_LIBRARY_ROOT_DIR was set successfully." FORCE)
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