Hazen Babcock wrote:
> Alan W. Irwin wrote:
>> On 2009-07-15 17:53-0400 Hazen Babcock wrote:
>>
>>> Alan W. Irwin wrote:
>>>> [...]Furthermore, if you are still getting a warning (now) about a missing 
>>>> C++
>>>> compiler, I frankly don't understand why 5.9.4 works for you at all without
>>>> erroring out at cmake time. The C++ language was an absolute requirement 
>>>> for
>>>> 5.9.4.  The method used to find C++ had a different top-level (the project
>>>> command without any languages specified is the same as demanding C and 
>>>> C++),
>>>> but the underlying method (CMakeDetermineCXXCompiler) for finding the C++
>>>> compiler should be identical. Are you using the exact same generator and
>>>> environment variables for both PLplot 5.9.4 and PLplot svn trunk? The
>>>> generator and CXX environment variable will make a difference to whether 
>>>> you
>>>> find a C++ compiler or not.
>>> I believe everything is the same. I am using the CMake GUI configuration 
>>> utility and not the command line cmake (due to the apparent gdi32 issue). 
>>> The 
>>> problem is that cmake-gui-plplot-5.9.4 considers my C++ compiler to be 
>>> findable/acceptable whereas cmake-gui-plplot-svn does not. Note that 
>>> cmake-gui-plplot-svn does find a Gnu CXX compiler but then errors out 
>>> anyway. 
>>> Any ideas about what might have changed to lead to this difference would be 
>>> appreciated. I'd like to get Qt and PyQt working on the windows computer 
>>> that 
>>> I have access to so I'll need to get past this C++ hang up (and/or figure 
>>> out 
>>> the gdi32 thing so that I can use the command line version of cmake).
>> Try disabling the wingcc device to avoid anything to do with gdi32.  Does 
>> that
>> solve all your Windows build issues?
> 
> It looks like the problem is actually somewhere in the PLD_wxwidgets 
> logic. If I set PLD_wxwidgets=OFF then everything else seems to work 
> (for both plplot-svn and plplot-5.9.4).

I added a bunch of Message(STATUS "X") commands to wxwidgets.cmake and 
to FindwxWidgets.cmake. This leads me to believe that the problem is in 
the FIND_PATH(wxWidgets_ROOT_DIR .. command on line 388 in the 
FindwxWidgets.cmake module. Any suggestions about what to do/try next?

-Hazen


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