Use the Cython Extension class so we can place generated C files in the build dir.
tree20de8aa41766bab8dd7790d6a740ba779df7d120
-rw-r--r-- 67 .svnignore
-rw-r--r-- 926 1test4.py
-rw-r--r-- 26526 COPYING.LGPLv2.1
-rw-r--r-- 10457 ChangeLog
-rw-r--r-- 3271 INSTALL
-rwxr-xr-x 227 bootstrap.py
drwxr-xr-x - doc
drwxr-xr-x - include
drwxr-xr-x - installer
drwxr-xr-x - sdk
-rwxr-xr-x 957 setup.py
drwxr-xr-x - src
drwxr-xr-x - test
-rw-r--r-- 268 vapoursynth.pc.in
-rw-r--r-- 12772 wscript