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FindTensorRT.cmake
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# source:
# https://github.com/NVIDIA/tensorrt-laboratory/blob/master/cmake/FindTensorRT.cmake
# This module defines the following variables:
#
# ::
#
# TensorRT_INCLUDE_DIRS
# TensorRT_LIBRARIES
# TensorRT_FOUND
#
# ::
#
# TensorRT_VERSION_STRING - version (x.y.z)
# TensorRT_VERSION_MAJOR - major version (x)
# TensorRT_VERSION_MINOR - minor version (y)
# TensorRT_VERSION_PATCH - patch version (z)
#
# Hints
# ^^^^^
# A user may set ``TensorRT_DIR`` to an installation root to tell this module where to look.
#
set(_TensorRT_SEARCHES)
if(TensorRT_DIR)
set(_TensorRT_SEARCH_ROOT PATHS ${TensorRT_DIR} NO_DEFAULT_PATH)
list(APPEND _TensorRT_SEARCHES _TensorRT_SEARCH_ROOT)
endif()
# appends some common paths
set(_TensorRT_SEARCH_NORMAL
PATHS "/usr"
)
list(APPEND _TensorRT_SEARCHES _TensorRT_SEARCH_NORMAL)
# Include dir
foreach(search ${_TensorRT_SEARCHES})
find_path(TensorRT_INCLUDE_DIR NAMES NvInfer.h ${${search}} PATH_SUFFIXES include)
endforeach()
if(NOT TensorRT_LIBRARY)
foreach(search ${_TensorRT_SEARCHES})
find_library(TensorRT_LIBRARY NAMES nvinfer ${${search}} PATH_SUFFIXES lib)
endforeach()
endif()
if(NOT TensorRT_PARSERS_LIBRARY)
foreach(search ${_TensorRT_SEARCHES})
find_library(TensorRT_NVPARSERS_LIBRARY NAMES nvparsers ${${search}} PATH_SUFFIXES lib)
endforeach()
endif()
if(NOT TensorRT_NVONNXPARSER_LIBRARY)
foreach(search ${_TensorRT_SEARCHES})
find_library(TensorRT_NVONNXPARSER_LIBRARY NAMES nvonnxparser ${${search}} PATH_SUFFIXES lib)
endforeach()
endif()
mark_as_advanced(TensorRT_INCLUDE_DIR)
if(TensorRT_INCLUDE_DIR AND EXISTS "${TensorRT_INCLUDE_DIR}/NvInfer.h")
file(STRINGS "${TensorRT_INCLUDE_DIR}/NvInfer.h" TensorRT_MAJOR REGEX "^#define NV_TENSORRT_MAJOR [0-9]+.*$")
file(STRINGS "${TensorRT_INCLUDE_DIR}/NvInfer.h" TensorRT_MINOR REGEX "^#define NV_TENSORRT_MINOR [0-9]+.*$")
file(STRINGS "${TensorRT_INCLUDE_DIR}/NvInfer.h" TensorRT_PATCH REGEX "^#define NV_TENSORRT_PATCH [0-9]+.*$")
string(REGEX REPLACE "^#define NV_TENSORRT_MAJOR ([0-9]+).*$" "\\1" TensorRT_VERSION_MAJOR "${TensorRT_MAJOR}")
string(REGEX REPLACE "^#define NV_TENSORRT_MINOR ([0-9]+).*$" "\\1" TensorRT_VERSION_MINOR "${TensorRT_MINOR}")
string(REGEX REPLACE "^#define NV_TENSORRT_PATCH ([0-9]+).*$" "\\1" TensorRT_VERSION_PATCH "${TensorRT_PATCH}")
set(TensorRT_VERSION_STRING "${TensorRT_VERSION_MAJOR}.${TensorRT_VERSION_MINOR}.${TensorRT_VERSION_PATCH}")
endif()
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(TensorRT REQUIRED_VARS TensorRT_LIBRARY TensorRT_INCLUDE_DIR VERSION_VAR TensorRT_VERSION_STRING)
if(TensorRT_FOUND)
set(TensorRT_INCLUDE_DIRS ${TensorRT_INCLUDE_DIR})
if(NOT TensorRT_LIBRARIES)
set(TensorRT_LIBRARIES ${TensorRT_LIBRARY} ${TensorRT_NVONNXPARSER_LIBRARY} ${TensorRT_NVPARSERS_LIBRARY})
endif()
if(NOT TARGET TensorRT::TensorRT)
add_library(TensorRT::TensorRT UNKNOWN IMPORTED)
set_target_properties(TensorRT::TensorRT PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${TensorRT_INCLUDE_DIRS}")
set_property(TARGET TensorRT::TensorRT APPEND PROPERTY IMPORTED_LOCATION "${TensorRT_LIBRARY}")
endif()
endif()