problems with mingw as a cross linux architecture

[Zimoch Dirk via Core-talk <core-talk at aps.anl.gov>]

Hi folks

I am trying to test something with mingw which I have never used before. I use
CROSS_COMPILER_TARGET_ARCHS=windows-x64-mingw on my linux-x86_64 host.
Compilation works fine, but when linking libCom, I get this error:

x86_64-w64-mingw32-g++: error: Com.coff: No such file or directory

Can anyone give me a hint what this .coff is and how to fix that error?

Dirk