title: Problems installing snappy on python on Alpine Linux
body: <p>When i am trying to install Snappy on alpine linux using: 
  pip install snappy
  I am getting the following error when it tries to install a required package called cypari.</p>
  
  <p>I installed snappy from "apk add snappy"</p>
  
  <pre><code>    gcc -fno-strict-aliasing -Os -fomit-frame-pointer -g -DNDEBUG -Os -fomit-frame-pointer -g -fPIC -Ilibcache/pari64/include -I/usr/include/python2.7 -c cypari_src/_pari.c -o build/temp.linux-x86_64-2.7/cypari_src/_pari.o
  In file included from cypari_src/_pari.c:460:0:
  cypari_src/implementation.c:47:22: fatal error: execinfo.h: No such file or directory
   #include &lt;execinfo.h&gt;
  </code></pre>