Lack of PDB support is one reason: https://stackoverflow.com/questions/19269350/how-to-generate-pdb-files-while-building-library-using-mingw https://stackoverf

Lack of PDB support is one reason: https://stackoverflow.com/questions/19269350/how-to-generate-pdb-files-while-building-library-using-mingw https://stackoverflow.com/questions/19269350/how-to-generate... Lack of VC++ ABI support would be another reason.