[issue31172] Py_Main() is totally broken on Visual Studio 2017

2017-08-10 Thread Patrick Rutkowski
New submission from Patrick Rutkowski: Install Visual Studio 2017 Download and unpack Python-3.6.2.tgz Open a Visual Studio command prompt Browse to Python-3.6.2\PCBuild Run build.bat -p x64 -c Release Run build.bat -p x64 -c Debug Add the PCbuild\amd64 directory to your PATH Create a new

[issue31172] Py_Main() is totally broken on Visual Studio 2017

2017-08-10 Thread Patrick Rutkowski
Patrick Rutkowski added the comment: Just for kicks I tried the same Py_Main() code from a Win32 console application (instead of from a GUI application). The C code this time was #include int wmain(int argc, wchar_t** argv) { return Py_Main(argc, argv); } The resulting error message

[issue31172] Py_Main() is totally broken on Visual Studio 2017

2017-08-10 Thread Patrick Rutkowski
Patrick Rutkowski added the comment: I removed my custom built Python and installed the one provided by the python-3.6.2-amd64.exe installer instead. The Win32 Command Line application now works, and shows the message box. The Win32 GUI Application still fails to work, the output is just