fix CMake compiler option handling #991
Merged
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This is the replacement PR for #989
Currenlty we split very often the compiler option and the argument.
This creates issues when the compiler parses the given arguments.
The fix is that the compiler option and argument will be passed with
=
insteadof a space in between.
The bug is triggered if a cmake script removes duplicated flags with
list(REMOVE_DUPLICATES CUDA_NVCC_FLAGS)
ref