fix FindCUDA CMake module:

do not unset variables if CUDA_TOOLKIT_TARGET_DIR is not defined

fix FindCUDA CMake module:
do not unset variables if CUDA_TOOLKIT_TARGET_DIR is not defined
fa23a017 · Vladislav Vinogradov · 3f1fb281 · fa23a017
Commit fa23a017 authored Jan 23, 2015 by Vladislav Vinogradov
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FindCUDA.cmake cmake/FindCUDA.cmake +1 -1

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--- a/cmake/FindCUDA.cmake
+++ b/cmake/FindCUDA.cmake
@@ -538,7 +538,7 @@ if(NOT "${CUDA_TOOLKIT_ROOT_DIR}" STREQUAL "${CUDA_TOOLKIT_ROOT_DIR_INTERNAL}")
 endif()

 if(NOT "${CUDA_TARGET_TRIPLET}" STREQUAL "${CUDA_TARGET_TRIPLET_INTERNAL}" OR
-   NOT "${CUDA_TOOLKIT_TARGET_DIR}" STREQUAL "${CUDA_TOOLKIT_TARGET_DIR_INTERNAL}")
+   (DEFINED CUDA_TOOLKIT_TARGET_DIR AND NOT "${CUDA_TOOLKIT_TARGET_DIR}" STREQUAL "${CUDA_TOOLKIT_TARGET_DIR_INTERNAL}"))
  cuda_unset_include_and_libraries()
 endif()