During a test run, cross check the Windows exports list against the
version-script files. For the test to pass, all symbols on either
list should be accounted for.
If there are symbols that are specific to Windows or symbols that are
not included on Windows, they should be annotated in the .def file as
follows:
;! non_windows_symbol
common_symbol
windows_only_symbol ;!
Once DLLs and EXEs are built, they need to have their manifests
processed and signed. These steps are encapsulated in the EXEPREP and
DLLPREP Makefile macros. Use them instead of invoking each processing
macro individually.