Re: Pip install matplotlib error with virtualenv

On Fri, Mar 23, 2012 at 3:45 PM, darwin_tech <cronneloctopus@gmail.com> wrote:
> Thanks for the reply.
>
> I guess not directly related to Django, though this virtualenv is very much
> for the purpose of a Django project and I hoped other Django users had come
> across this particular problem.
>
> Thankyou for the response though - do I need to install libpng in the
> virtualenv (sorry - just starting to use virtualenv) ?
>
> Sam
>

No, the C compiler is entirely ignorant about virtualenv, they are
solely a python thing. You probably have libpng installed, but not
libpng-devel, which supplies the headers that allow programs to
compile against libpng*. Alternatively, you may not have libpng
installed at all...

Cheers

Tom

* Do Linux distros still do this? I use FreeBSD, so am not affected by
this madness. Why would an OS install a binary library and not install
the headers, the very thing that allow you to use the library
yourself. Madness.

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