[Plplot-general] Access violation: PLplot 5.9.0, wxWidgets 2.8.0 (Debug build), MINGW

[Philipp B. <bac...@we...>]

Dear experts,

I've a problem with configuring, building and running a debug build of PLplot 5.9.0 with a debug build of wxWidgets 2.8.0 under MINGW (using GCC 3.4.5).

My configuration and building steps are as follows (from the root dir of the PLplot distribution):

PATH=/c/Program\ Files/CMake/bin:$PATH
export PATH

$ mkdir gxxBuild-mingw-Debug
$ cd gxxBuild-mingw-Debug
cmake .. -G "MSYS Makefiles" -DBUILD_TEST=ON \
-DCMAKE_VERBOSE_MAKEFILE=ON -DDEFAULT_NO_BINDINGS=ON -DENABLE_cxx=ON \
-DENABLE_wxwidgets=ON -DwxWidgets_USE_DEBUG=ON -DCMAKE_BUILD_TYPE=Debug
make

"wxWidgets_USE_DEBUG" is described in the CMake manual. Everything seems to work fine. I can use MS Dependency Walker to check whether PLplot linked against the correct wxWidgets dlls, and it looks good, i.e. wx-config knows of both my release and my debug build of wxWidgets.

Then I wanted to test it:
I copy the *.fnt files to the respective example directory and let PATH additionally point to gxxBuild-mingw-Debug/dll (because I did not yet "make install" PLplot) and to the wxWidgets dlls. Then regardless of the example (e.g. c++/x10 or c++/wxPLplotDemo) very soon a crash occurs (Access Violation). I can simulate a run with MS Dependency Walker - there I see the crash happens in NTDLL soon after the dll the example depends on have been loaded. This crash also happens without -DENABLE_wxwidgets=ON, but with -DwxWidgets_USE_DEBUG=ON.

This does not happen iff I configure without -DwxWidgets_USE_DEBUG=ON.

Is there a cure to this problem?

Thanks in advance, cheers,
Philipp.

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