Re: Compiling wxPython in debug for windows x64

On Tuesday, February 27, 2018 at 3:54:19 PM UTC-8, Chris Helvig wrote:
>
> We are trying to upgrade from 4.0.0a3 to 4.0.1, and now I am unable to 
> build wxPython in debug, due to a compile failure in wxIFFHandler. 
>
> Here's what it looks like when I run the command that fails:
>
>
> D:\projects\ctg\main\ctg\src\vendor\PythonExtensions\wxPython>D:\projects\ctg\main\ctg\src\vendor\PythonExtensions\wxPython\..\..\python\PCBuild\amd64\python.exe 
> .\build.py --nodoc --debug build_py
> Will build using: 
> "D:\projects\ctg\main\ctg\src\vendor\python\PCBuild\amd64\python.exe"
> 3.5.2 (default, Dec  1 2016, 18:54:08) [MSC v.1900 64 bit (AMD64)]
> Python's architecture is 64bit
> cfg.VERSION: 4.0.1
>
> Running command: build_py
> Checking for 
> D:\projects\ctg\main\ctg\src\vendor\PythonExtensions\wxPython\bin\waf-1.7.15-p1...
> MSVC: C:\Program Files (x86)\Microsoft Visual Studio 
> 14.0\VC\BIN\amd64\cl.exe
> "D:\projects\ctg\main\ctg\src\vendor\python\PCBuild\amd64\python.exe" 
> D:\projects\ctg\main\ctg\src\vendor\PythonExtensions\wxPython\bin\waf-1.7.15-p1 
> --debug --msvc_arch=x64 
> --python="D:\projects\ctg\main\ctg\src\vendor\python\PCBuild\amd64\python.exe" 
> --out=build/waf/3.5/x64/debug configure build
>
>
> And it compiles some stuff, and eventually, I get down to this:
>
>
> [202/885] cxx: sip\cpp\sip_corewxIdManager.cpp -> 
> build\waf\3.5\x64\debug\sip\cpp\sip_corewxIdManager.cpp.3.o
> sip_corewxIFFHandler.cpp
> d:\projects\ctg\main\ctg\src\vendor\pythonextensions\wxpython\sip\cpp\sip_corewxiffhandler.cpp(22): 
> error C2039: 'wxIFFHandler': is not a member of '`global namespace''
> d:\projects\ctg\main\ctg\src\vendor\pythonextensions\wxpython\sip\cpp\sip_corewxiffhandler.cpp(22): 
> error C2504: 'wxIFFHandler': base class undefined
> d:\projects\ctg\main\ctg\src\vendor\pythonextensions\wxpython\sip\cpp\sip_corewxiffhandler.cpp(55): 
> error C2039: 'wxIFFHandler': is not a member of '`global namespace''
> d:\projects\ctg\main\ctg\src\vendor\pythonextensions\wxpython\sip\cpp\sip_corewxiffhandler.cpp(56): 
> error C2614: 'sipwxIFFHandler': illegal member initialization: 
> 'wxIFFHandler' is not a base or member
> d:\projects\ctg\main\ctg\src\vendor\pythonextensions\wxpython\sip\cpp\sip_corewxiffhandler.cpp(73): 
> error C3083: 'wxIFFHandler': the symbol to the left of a '::' must be a type
>
>
> Plus a bunch more errors, but the problem is obviously that 
> sip_corewxIFFHandler.cpp doesn't see wxIFFHandler. But only for debug. 
> Release builds fine, apparently.
>
> I tried to find a way to compile out support for IFF format, but I can't 
> understand the build system well enough to figure out how to do that. Every 
> file I've tried to modify seems like it's actually built from code that 
> exists somewhere else.
>
> Any ideas?
>
>
The only way that the wxIFFHandler could be absent is if wxUSE_IFF is set 
to 0 in wxWidgets/include/wx/msw/setup.h, but wxPython's build explicitly 
sets it to 1 so I'm not sure what could have happened. But this will give 
you a direction to look for the solution, hopefully it will help.

--
Robin Dunn
Software Craftsman
http://wxPython.org <http://wxpython.org/>
 

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