CUDA/Clang: "No rule to make target" with clang++-12

After setting clang++-12 as the CUDA compiler, the build after CMake configuration produces an error like: make[2]: *** No rule to make target 'CMakeFiles/cudalink_exe.dir/exe2.cpp.o', needed by 'CMakeFiles/cudalink_exe.dir/sm_75.cubin'. Stop.

A reproducer is attached: cmake_clang_cuda.tar.gz

CMake version: 3.21.0 CUDA version: 11.4 Clang version: 12.0.1 OS: Ubuntu 20.04

Edited Jul 27, 2021 by Serge Rogatch

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