Re: Build error installing wxPython 4.1.0

On Wed, 8 Jul 2020, Michael Eager wrote:

> I'm installing wxPython using the following command:
>   $ pip3 install wxPython==4.1.0 -v
> 
> As far as I know, I have all prerequisites installed.  There are a couple
> warnings in the build about missing packages, like tiff, but none seem
> important.
> 
> Without looking closer, it appears that there are issues with the wx
> headers. There are no messages which mention missing headers.  There are a
> number of warning messages in other compiles.
> 
> I get a number of failures building SIP.  Here's the start of one of the
> failures. 
> 
>    [675/917] Compiling sip/cpp/sip_html2wxWebViewEvent.cpp
>     In file included from
> ../../../../sip/cpp/sip_glcanvaswxGLAttributes.cpp:10:
>     ../../../../sip/cpp/sipAPI_glcanvas.h:682:23: error: aggregate
> ‘wxGLAttributes _NullGLAttributes’ has incomplete type and cannot be defined
>       682 | static wxGLAttributes _NullGLAttributes;
>           |                       ^~~~~~~~~~~~~~~~~
>     ../../../../sip/cpp/sipAPI_glcanvas.h:683:25: error: aggregate
> ‘wxGLContextAttrs _NULLGLContextAttrs’ has incomplete type and cannot be
> defined
>       683 | static wxGLContextAttrs _NULLGLContextAttrs;
>           |                         ^~~~~~~~~~~~~~~~~~~
>     In file included from
> ../../../../sip/cpp/sip_glcanvaswxGLAttributes.cpp:10:
>     ../../../../sip/cpp/sipAPI_glcanvas.h:865:198: error: ‘wxGLCanvasName’
> was not declared in this scope; did you mean ‘wxGLCanvas’?
>       865 |     wxGLCanvas(wxWindow *parent, const wxGLAttributes
> &dispAttrs, wxWindowID id=wxID_ANY, const wxPoint &pos=wxDefaultPosition,
> const wxSize &size=wxDefaultSize, long style=0, const wxString
> &name=wxGLCanvasName, const wxPalette &palette=wxNullPalette)
>          |                                                                          
>                                                                           
>                                                   ^~~~~~~~~~~~~~
>          |                                                                          
>                                                                           
>                                                   wxGLCanvas

You're likely missing the OpenGL dependencies.  Unfortunately the wxPython 
build doesn't currently handle the case where wxWidgets gets built without 
wxGLCanvas support.

Scott

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