Re: [cython-users] Cython c compiler setting

[Chris Barker - NOAA Federal]

On Sat, May 18, 2013 at 11:22 AM, 杨雪峰 <yyx...@gmail.com> wrote:

> I follow the instruction from
> http://wiki.cython.org/64BitCythonExtensionsOnWindows try to use windows c
> compiler to build python extension. but cython are still using mingw gcc to
> compile my files which cause many undefined reference errors.

It seems you have a Python binary set up for mingw (Anaconda or
Enthought?). Anyway, you can specify the compiler to use on the
command line:

setup.py build_ext --compiler=mingw32

(not sure what the MS compiler is called, though -- I don't have
Windows up at the moment)

or in disutils config files:

http://docs.python.org/2/install/#inst-config-files

HTH,

-Chris




> it became green words after i command setenv /x64 /release
>
> C:\Users\Yang
> Xuefeng\Dropbox\workspaces\pythonxy\autoencoders\Cythonlearning\te st>python
> setup.py build_ext running build_ext skipping 'helloworld.c' Cython
> extension (up-to-date) building 'helloworld' extension C:\MinGW\bin\gcc.exe
> -DMS_WIN64 -mdll -O -Wall -IC:\Anaconda\include -IC:\Anacon da\PC -c
> helloworld.c -o build\temp.win-amd64-2.7\Release\helloworld.o writing
> build\temp.win-amd64-2.7\Release\helloworld.def C:\MinGW\bin\gcc.exe
> -DMS_WIN64 -shared -s build\temp.win-amd64-2.7\Release\hell oworld.o
> build\temp.win-amd64-2.7\Release\helloworld.def -LC:\Anaconda\libs -LC:
> \Anaconda\PCbuild\amd64 -lpython27 -lmsvcr90 -o
> build\lib.win-amd64-2.7\hellowor ld.pyd
> build\temp.win-amd64-2.7\Release\helloworld.o:helloworld.c:(.text+0x85):
> undefin ed reference to `_imp__PyOS_snprintf'
>
> please , help me !
>
>
> regards
>
> Yang Xuefeng
>
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--

Christopher Barker, Ph.D.
Oceanographer

Emergency Response Division
NOAA/NOS/OR&R (206) 526-6959 voice
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Chris....@noaa.gov

[刘振海]

2013/5/20 Chris Barker - NOAA Federal <chris....@noaa.gov>

On Sat, May 18, 2013 at 11:22 AM, 杨雪峰 <yyx...@gmail.com> wrote:

>        I follow the instruction from
> http://wiki.cython.org/64BitCythonExtensionsOnWindows  try to use windows c
> compiler to build python extension. but cython are still using mingw gcc to
> compile my files which cause many undefined reference errors.

It seems you have a Python binary set up for mingw (Anaconda or
Enthought?). Anyway, you can specify the compiler to use on the
command line:

setup.py build_ext --compiler=mingw32

(not sure what the MS compiler is called, though -- I don't have
Windows up at the moment) 

    

    the ms compiler is called msvc