title: numpy build fail in M1 Big sur 11.1
body: <p>I am using MacBook m1 which is running Big Sur 11.1 ,and I have installed <code>Xcode-commandline-tools</code> version 12.3 and it has installed <code>python3.8.5</code> and <code>pip3</code> .python3 and pip are native apps,that is they run in ARM</p>
  <p><code>pip3</code> version <code>20.3.3</code></p>
  <p><code>python3</code> version <code>3.8.5</code></p>
  <p><code>setuptools</code> version <code>51.0.0</code></p>
  <p><code>wheel</code> version <code>0.36.2</code></p>
  <p>when I type <code>python3 -m pip install numpy</code></p>
  <p>The output is :</p>
  <pre><code>Defaulting to user installation because normal site-packages is not writeable
  Collecting numpy
    Using cached numpy-1.19.4.zip (7.3 MB)
    Installing build dependencies: started
    Installing build dependencies: finished with status 'done'
    Getting requirements to build wheel: started
    Getting requirements to build wheel: finished with status 'done'
      Preparing wheel metadata: started
      Preparing wheel metadata: finished with status 'done'
  Building wheels for collected packages: numpy
    Building wheel for numpy (PEP 517): started
  sandeep@Sandeeps-Air ~ % cat a
  Defaulting to user installation because normal site-packages is not writeable
  Collecting numpy
    Using cached numpy-1.19.4.zip (7.3 MB)
    Installing build dependencies: started
    Installing build dependencies: finished with status 'done'
    Getting requirements to build wheel: started
    Getting requirements to build wheel: finished with status 'done'
      Preparing wheel metadata: started
      Preparing wheel metadata: finished with status 'done'
  Building wheels for collected packages: numpy
    Building wheel for numpy (PEP 517): started
    Building wheel for numpy (PEP 517): finished with status 'error'
  Failed to build numpy
  </code></pre>
  <p>and with a very large list of <a href="https://pastebin.ubuntu.com/p/vr4SWqZdqj/" rel="noreferrer">errors</a></p>
  <p>Is numpy still not supported in M1 or am I doing it wrong ?</p>