Thanks for the tip, but this doesn’t change a bit. The generator still puts
<AdditionalOptions>%(AdditionalOptions)fmt=Z:/fmt/build/test/test-module.ifc</AdditionalOptions>
into the vcxproj-file instead of
<AdditionalOptions>%(AdditionalOptions)/reference fmt=Z:/fmt/build/test/test-module.ifc</AdditionalOptions>
Instead of generating AdditionalOptions it could transform all module-related options into the corresponding MSBuild entities.