Re: Unable to compile python 3.3 [Was: Re: Python 3.3 coming soon?]

[Ryan Johnson <ryan dot johnson at cs dot utoronto dot ca>]

On 31/10/2013 2:11 PM, Jason Tishler wrote:
> On Tue, Oct 15, 2013 at 12:28:31PM +0900, nu774 wrote:
> > Installing libffi-devel will let python pick system libffi, so you
> > can skip that libffi building part you are currently stuck.
> >
> > (2013/10/15 10:10), Ryan Johnson wrote:
> > > "/usr/src/python3-3.3.2-3/src/Python-3.3.2/Lib/distutils/command/build_ext.py",
> > > line 463, in build_extensions
> > >      self.build_extension(ext)
> > >    File "/usr/src/python3-3.3.2-3/src/Python-3.3.2/setup.py", line 279,
> > > in build_extension
> > >      if not self.configure_ctypes(ext):
> > >    File "/usr/src/python3-3.3.2-3/src/Python-3.3.2/setup.py", line 1807,
> > > in configure_ctypes
> > >      exec(f.read(), globals(), fficonfig)
> > >    File "<string>", line 33, in <module>
> > > KeyError: 'X86_WIN64'
> > > Makefile:505: recipe for target 'sharedmods' failed
> > >
> > > At this point I'm stuck... any advice from the gurus out there would be
> > > appreciated.
> I get the same build failure with Python 2.7.5 and 3.2.5 under 64-bit
> Cygwin even though I configure --with-system-ffi and have libffi-devel
> installed.  I noticed that libffi-devel installs its headers in a
> non-standard location:
>
> $ cygcheck -l libffi-devel | fgrep .h
> /usr/lib/libffi-3.0.13/include/ffi.h
> /usr/lib/libffi-3.0.13/include/ffitarget.h
>
> AFAICT, this prevents Python's build system from using the system
> provided libffi and attempt to build its own causing an error like the
> one above.
>
> I can workaround the problem by creating symlinks to the libffi header
> files in /usr/include:
>
> $ ln -s /usr/lib/libffi-3.0.13/include/* /usr/include
>
> It appears that others have successfully built Python under 64-bit
> Cygwin without resorting to my workaround.  Does anyone know what I'm
> missing?
Try installing pkg-config.

Ryan


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