title: How to install twisted 10.2.0 with pypy 1.4.1?
body: <p>I can't install twisted 10.2.0 to my ubuntu box. After download twisted source I issue the command: pypy setup.py install. After that I receive the error:</p>
  
  <pre><code>building 'twisted.runner.portmap' extension
  creating build/temp.linux-x86_64-2.5
  creating build/temp.linux-x86_64-2.5/twisted
  creating build/temp.linux-x86_64-2.5/twisted/runner
  cc -I/builds/pypy-1.4.1-linux64/include -c twisted/runner/portmap.c -o build/temp.linux-x86_64-2.5/twisted/runner/portmap.o
  cc -shared build/temp.linux-x86_64-2.5/twisted/runner/portmap.o -o build/lib.linux-x86_64-2.5/twisted/runner/portmap.pypy-14.so
  /usr/bin/ld.bfd.real: build/temp.linux-x86_64-2.5/twisted/runner/portmap.o: relocation R_X86_64_32 against `.rodata' can not be used when making a shared object; recompile with -fPIC
  build/temp.linux-x86_64-2.5/twisted/runner/portmap.o: could not read symbols: Bad value
  collect2: ld returned 1 exit status
  error: command 'cc' failed with exit status 1
  </code></pre>
  
  <p>So, how can I fix it? Thanks.</p>