Regarding the following VC++ link problem:

“fatal error C1047: The object or library file 'c:\Chilkat\libs\x64\ChilkatRel_x64.lib' 
was created with an older compiler than other objects; rebuild old objects and libraries”

This can be resolved by building without the /LTCG flag turned on. Unfortunately, it is not possible to use the /LTCG flag if you are using the Chilkat libraries. Compiling and linking your C++ application without using the /LTCG flag should resolve the problem.