quentin@RootDesktop:~/build/vapoursynth$ python3 setup.py build
running build
running build_ext
cythoning src/cython/vapoursynth.pyx to build/temp.linux-x86_64-3.3/pyrex/vapoursynth.c

Error compiling Cython file:
------------------------------------------------------------
...
        ns_list = []
        plugins = self.get_plugins()
        for p in plugins:
            if name in plugins[p]['functions']:
                ns_list.append(plugins[p]['namespace'])
                plugin = self.funcs.getPluginById(plugins[p]['identifier'].encode('utf-8'), self.core)
                                                                                ^
------------------------------------------------------------

src/cython/vapoursynth.pyx:1098:81: Obtaining 'char const *' from temporary Python value
building 'vapoursynth' extension
x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -fPIC -I. -Isrc/cython -I/usr/include/python3.3m -c build/temp.linux-x86_64-3.3/pyrex/vapoursynth.c -o build/temp.linux-x86_64-3.3/build/temp.linux-x86_64-3.3/pyrex/vapoursynth.o
build/temp.linux-x86_64-3.3/pyrex/vapoursynth.c:1:2: error: #error Do not use this file, it is the result of a failed Cython compilation.
 #error Do not use this file, it is the result of a failed Cython compilation.
  ^
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1