fix notes regarding NVCC environment variable at runtime
@@ -275,13 +275,13 @@ For example, you can tell CuPy to use non-default CUDA directory by ``CUDA_PATH`
Using custom ``nvcc`` command during installation
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-If you want to use a custom ``nvcc`` compiler (for example, to use ``ccache`` ), please set ``NVCC`` environment variables before installing CuPy::
+If you want to use a custom ``nvcc`` compiler (for example, to use ``ccache``) to build CuPy, please set ``NVCC`` environment variables before installing CuPy::
export NVCC='ccache nvcc'
.. note::
- Setting ``NVCC`` environment variable does not affect at runtime, as CuPy does not use ``nvcc`` command at runtime.
+ During runtime, you don't need to set this environment variable since CuPy doesn't use the nvcc command.
Installation for Developers
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