'gcc' failed with exit status 1

Stefan Behnel stefan_ml at behnel.de
Wed Mar 24 07:48:58 CET 2010

JR, 24.03.2010 03:51:
> I was hoping I could get some help with this issue with getting Cython
> to work. Earlier I had an issue that said "unable to find
> vcvarsall.bat" and it turns out there is an active bug report that
> covers that issue (I have a 64 bit windows system). I still hadn't
> installed 3.1.2, so I did that tonight and now I have the issue below.
> Any thoughts on what I am doing wrong?
> Microsoft Windows [Version 6.1.7600]
> Copyright (c) 2009 Microsoft Corporation.  All rights reserved.
> C:\Users\James>cd C:\Python31
> C:\Python31>python setup.py build_ext --inplace
> running build_ext
> cythoning hello.pyx to hello.c
> Error converting Pyrex file to C:
> ------------------------------------------------------------
> ...
> def say_hello_to(name):
>                        ^
> ------------------------------------------------------------
> C:\Python31\hello.pyx:1:23: Unrecognized character

Given that you're on Windows, this looks like a known bug in Cython:


This is due to the lack of universal newline support in the codecs module, 
which has been fixed in the new Py2.6+ 'io' module. A patch for Cython that 
switches to the new 'io' module and works around this issue in older Python 
versions is available:


That being said, the simplest way to work around this issue is to switch to 
Unix line endings in your source file. Most editors support this without 


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