title: python pycrypto installation error
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/2709661/pycrypto-and-gmp-library-not-found-error-mac-os-10-6-3">PyCrypto and GMP library not found error [Mac OS 10.6.3]</a>  </p>
  </blockquote>
  
  
  
  <p>I'm trying to install pycrypto on ubuntu, but it throws error</p>
  
  <pre><code>hom@PC71:~/Desktop/pycrypto-2.3$ sudo python setup.py build
  running build
  running build_py
  running build_ext
  warning: GMP library not found; Not building Crypto.PublicKey._fastmath.
  building 'Crypto.Hash.MD2' extension
  gcc -pthread -fno-strict-aliasing -fwrapv -Wall -Wstrict-prototypes -fPIC -std=c99 -O3 -fomit-frame-pointer -Isrc/ -I/usr/include/python2.6 -c src/MD2.c -o build/temp.linux-i686-2.6/src/MD2.o
  src/MD2.c:31: fatal error: Python.h: No such file or directory
  compilation terminated.
  error: command 'gcc' failed with exit status 1
  </code></pre>
  
  <p>I have installed python-dev tools already.</p>