[zeromq-dev] problem building pyzmq

eric eric at ericjbell.com
Sat Nov 13 05:17:10 CET 2010

I have a related problem ... I am unable to build pyzmq following the 
instructions for non-development release. Specifically:

I am trying to install a non-development (stable) release as described 
on http://www.zeromq.org/intro:get-the-software

I downloaded the 2.0.10 release for POSIX using the link on this page, 
which describes the release as "stable".

I then followed the instructions to build pyzmq, which are on the same 
page. When I follow the instructions, I get the following output and error.

eric at confidence:~/Desktop/pyzmq$ sudo python setup.py install
running install
running build
running build_py
running build_ext
error: Cython-generated file 'zmq/core/context.c' not found.
                 Cython is required to compile pyzmq from a development 
                 Please install Cython or download a release package of 

When I install Cython I get the error reported by Martin.



On 11/11/2010 03:36 AM, Martin Sustrik wrote:
> Hi,
> I've tried to compile pyzmq myself and I am getting this error:
> cythoning zmq/core/constants.pyx to zmq/core/constants.c
> Error converting Pyrex file to C:
> ------------------------------------------------------------
> ...
> # Imports
> #-----------------------------------------------------------------------------
> # from libc.stdlib cimport free,malloc
> from cpython cimport bool
> ^
> ------------------------------------------------------------
> /home/sustrik/pyzmq/zmq/core/czmq.pxd:28:0: 'cpython.pxd' not found
> I have cython 0.13 installed. cpython.pxd doesn't appear to be present
> on my system.
> Any ideas?
> Martin

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