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message(STATUS "Looking for cuDNN install...")
# Look for cudnn, we will look in the same place as other CUDA
# libraries and also a few other places as well.
find_path(cudnn_include cudnn.h
HINTS ${CUDA_INCLUDE_DIRS} ENV CUDNN_INCLUDE_DIR ENV CUDNN_HOME
PATHS /usr/local ENV CPATH
PATH_SUFFIXES include
)
get_filename_component(cudnn_hint_path "${CUDA_CUBLAS_LIBRARIES}" PATH)
find_library(cudnn cudnn
HINTS ${cudnn_hint_path} ENV CUDNN_LIBRARY_DIR ENV CUDNN_HOME
PATHS /usr/local /usr/local/cuda ENV LD_LIBRARY_PATH
PATH_SUFFIXES lib64 lib x64
)
mark_as_advanced(cudnn cudnn_include)
if (cudnn AND cudnn_include)
message(STATUS "Found cuDNN: " ${cudnn})
else()
message(STATUS "*** cuDNN V5.0 OR GREATER NOT FOUND. ***")
message(STATUS "*** Dlib requires cuDNN V5.0 OR GREATER. Since cuDNN is not found DLIB WILL NOT USE CUDA. ***")
message(STATUS "*** If you have cuDNN then set CMAKE_PREFIX_PATH to include cuDNN's folder. ***")
endif()
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