cdef double f(double x):
return sin(x*x)
-However, this is a library that is not linked by default on Unix-like
-systems, such as Linux or MacOS-X. In addition to cimporting the
+However, this is a library that is not linked by default on some Unix-like
+systems, such as Linux. In addition to cimporting the
declarations, you must configure your build system to link against the
shared library ``m``. For distutils, it is enough to add it to the
``libraries`` parameter of the ``Extension()`` setup::