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cmake_minimum_required(VERSION 3.12)
project(torchvision)
set(CMAKE_CXX_STANDARD 14)
file(STRINGS version.txt TORCHVISION_VERSION)
option(WITH_CUDA "Enable CUDA support" OFF)
option(WITH_PNG "Enable features requiring LibPNG." ON)
option(WITH_JPEG "Enable features requiring LibJPEG." ON)
option(USE_PYTHON "Link to Python when building" OFF)
if(WITH_CUDA)
enable_language(CUDA)
add_definitions(-D__CUDA_NO_HALF_OPERATORS__)
add_definitions(-DWITH_CUDA)
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} --expt-relaxed-constexpr")
# CUDA-11.x can not be compiled using C++14 standard on Windows
string(REGEX MATCH "^[0-9]+" CUDA_MAJOR ${CMAKE_CUDA_COMPILER_VERSION})
if(${CUDA_MAJOR} GREATER 10 AND MSVC)
set(CMAKE_CXX_STANDARD 17)
endif()
endif()
find_package(Torch REQUIRED)
if (WITH_PNG)
add_definitions(-DPNG_FOUND)
find_package(PNG REQUIRED)
endif()
if (WITH_JPEG)
add_definitions(-DJPEG_FOUND)
find_package(JPEG REQUIRED)
endif()
if (USE_PYTHON)
add_definitions(-DUSE_PYTHON)
find_package(Python3 REQUIRED COMPONENTS Development)
endif()
function(CUDA_CONVERT_FLAGS EXISTING_TARGET)
get_property(old_flags TARGET ${EXISTING_TARGET} PROPERTY INTERFACE_COMPILE_OPTIONS)
if(NOT "${old_flags}" STREQUAL "")
string(REPLACE ";" "," CUDA_flags "${old_flags}")
set_property(TARGET ${EXISTING_TARGET} PROPERTY INTERFACE_COMPILE_OPTIONS
"$<$<BUILD_INTERFACE:$<COMPILE_LANGUAGE:CXX>>:${old_flags}>$<$<BUILD_INTERFACE:$<COMPILE_LANGUAGE:CUDA>>:-Xcompiler=${CUDA_flags}>"
)
endif()
endfunction()
if(MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4819")
if(WITH_CUDA)
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -Xcompiler=/wd4819")
foreach(diag cc_clobber_ignored integer_sign_change useless_using_declaration
set_but_not_used field_without_dll_interface
base_class_has_different_dll_interface
dll_interface_conflict_none_assumed
dll_interface_conflict_dllexport_assumed
implicit_return_from_non_void_function
unsigned_compare_with_zero
declared_but_not_referenced
bad_friend_decl)
string(APPEND CMAKE_CUDA_FLAGS " -Xcudafe --diag_suppress=${diag}")
endforeach()
CUDA_CONVERT_FLAGS(torch_cpu)
if(TARGET torch_cuda)
CUDA_CONVERT_FLAGS(torch_cuda)
endif()
if(TARGET torch_cuda_cu)
CUDA_CONVERT_FLAGS(torch_cuda_cu)
endif()
if(TARGET torch_cuda_cpp)
CUDA_CONVERT_FLAGS(torch_cuda_cpp)
endif()
endif()
endif()
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
set(TVCPP torchvision/csrc)
list(APPEND ALLOW_LISTED ${TVCPP} ${TVCPP}/io/image ${TVCPP}/io/image/cpu ${TVCPP}/models ${TVCPP}/ops
${TVCPP}/ops/autograd ${TVCPP}/ops/cpu ${TVCPP}/io/image/cuda)
if(WITH_CUDA)
list(APPEND ALLOW_LISTED ${TVCPP}/ops/cuda ${TVCPP}/ops/autocast)
endif()
FOREACH(DIR ${ALLOW_LISTED})
file(GLOB ALL_SOURCES ${ALL_SOURCES} ${DIR}/*.*)
ENDFOREACH()
add_library(${PROJECT_NAME} SHARED ${ALL_SOURCES})
target_link_libraries(${PROJECT_NAME} PRIVATE ${TORCH_LIBRARIES})
if (WITH_PNG)
target_link_libraries(${PROJECT_NAME} PRIVATE ${PNG_LIBRARY})
endif()
if (WITH_JPEG)
target_link_libraries(${PROJECT_NAME} PRIVATE ${JPEG_LIBRARIES})
endif()
if (USE_PYTHON)
target_link_libraries(${PROJECT_NAME} PRIVATE Python3::Python)
endif()
set_target_properties(${PROJECT_NAME} PROPERTIES
EXPORT_NAME TorchVision
INSTALL_RPATH ${TORCH_INSTALL_PREFIX}/lib)
include_directories(torchvision/csrc)
if (WITH_PNG)
include_directories(${PNG_INCLUDE_DIRS})
endif()
if (WITH_JPEG)
include_directories(${JPEG_INCLUDE_DIRS})
endif()
set(TORCHVISION_CMAKECONFIG_INSTALL_DIR "share/cmake/TorchVision" CACHE STRING "install path for TorchVisionConfig.cmake")
configure_package_config_file(cmake/TorchVisionConfig.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/TorchVisionConfig.cmake"
INSTALL_DESTINATION ${TORCHVISION_CMAKECONFIG_INSTALL_DIR})
write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/TorchVisionConfigVersion.cmake
VERSION ${TORCHVISION_VERSION}
COMPATIBILITY AnyNewerVersion)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/TorchVisionConfig.cmake
${CMAKE_CURRENT_BINARY_DIR}/TorchVisionConfigVersion.cmake
DESTINATION ${TORCHVISION_CMAKECONFIG_INSTALL_DIR})
install(TARGETS ${PROJECT_NAME}
EXPORT TorchVisionTargets
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
)
install(EXPORT TorchVisionTargets
NAMESPACE TorchVision::
DESTINATION ${TORCHVISION_CMAKECONFIG_INSTALL_DIR})
FOREACH(INPUT_DIR ${ALLOW_LISTED})
string(REPLACE "${TVCPP}" "${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}" OUTPUT_DIR ${INPUT_DIR})
file(GLOB INPUT_FILES ${INPUT_DIR}/*.*)
install(FILES ${INPUT_FILES} DESTINATION ${OUTPUT_DIR})
ENDFOREACH()
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