Prolbem about make in NVIDIA_CUDA_SDK directory

I have followed the process of installation on my computer. When I go into the sdk directory and run:

make

It gives me this error:

src/cutil.cpp:46:27: error: builtin_types.h: No such file or directory

I have setup my PATH and LD_LIBRARY_PATH to point into your toolkit’s bin and lib directories.

Is there anyone who can tell me why?

builtin_types.h is part of the CUDA toolkit.

Did you install the toolkit?
Did you correctly specify the toolkit location when you installed the SDK?

I don’t correctly specify the toolkit location when I installed the SDK. @@

Now, it is done. Thanks for your reply.