Cython is a Python compiler that makes writing C extensions for Python as easy
as Python itself. Cython is based on Pyrex, but supports more cutting edge
functionality and optimizations.
Cython translates Python code to C/C++ code, but additionally supports calling C
functions and declaring C types on variables and class attributes. This allows
the compiler to generate very efficient C code from Cython code.
This makes Cython the ideal language for wrapping external C libraries, and for
fast C modules that speed up the execution of Python code.
Convert Python ports to FLAVORS.
Ports using USE_PYTHON=distutils are now flavored. They will
automatically get flavors (py27, py34, py35, py36) depending on what
versions they support.
There is also a USE_PYTHON=flavors for ports that do not use distutils
but need FLAVORS to be set. A USE_PYTHON=noflavors can be set if
using distutils but flavors are not wanted.
A new USE_PYTHON=optsuffix that will add PYTHON_PKGNAMESUFFIX has been
added to cope with Python ports that did not have the Python
PKGNAMEPREFIX but are flavored.
USES=python now also exports a PY_FLAVOR variable that contains the
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