... and a standard ABI, otherwise you will never be able to link. C++ did not have standard name-mangling conventions until recently, which forced you to use th

... and a standard ABI, otherwise you will never be able to link. C++ did not have standard name-mangling conventions until recently, which forced you to use the very same compiler to compile both your libraries and your own code. This is still unfortunately very much a concern with all these legacy systems out there. Your only solution is to expose your API as a C library or distribute your source code.