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fix error :Found cuDNN: ver. ??? found #7070

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fix error :Found cuDNN: ver. ??? found #7070

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6 changes: 5 additions & 1 deletion cmake/Cuda.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -198,7 +198,11 @@ function(detect_cuDNN)
set(HAVE_CUDNN TRUE PARENT_SCOPE)
set(CUDNN_FOUND TRUE PARENT_SCOPE)

file(READ ${CUDNN_INCLUDE}/cudnn.h CUDNN_VERSION_FILE_CONTENTS)
if(EXISTS ${CUDNN_INCLUDE}/cudnn_version.h)
file(READ ${CUDNN_INCLUDE}/cudnn_version.h CUDNN_VERSION_FILE_CONTENTS)
else()
file(READ ${CUDNN_INCLUDE}/cudnn.h CUDNN_VERSION_FILE_CONTENTS)
endif()

# cuDNN v3 and beyond
string(REGEX MATCH "define CUDNN_MAJOR * +([0-9]+)"
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