title: pycuda -- 'CUDA_ROOT not set, and nvcc not in path.'
body: <p>Although i had installed pycuda and using it ok,it started (without doing sth) not to work.So,i i tried to do the install again ,but when i am doing </p>
  
  <blockquote>
    <p>python configure.py --cuda-root=/usr/local/cuda/bin</p>
  </blockquote>
  
  <p>it gives me the error in the title.</p>
  
  <p>The nvcc file is in the above directory.</p>