SV: compiling postgres on windows - how to deal with unmatched file extension?

>I'm trying to build postgresql from source code on windows. The build ran into a bunch of errors like
>
>'src/backend/bootstrap/bootparse.c': No such file or directory
>src/backend/parser/gram.c': No such file or directory
>
>These .c files are referenced in postgres.vcxproj. They actual exist but their extension is either .l or .y instead of .c. What am I supposed to do so the build process will find these files with correct extension? I don't think I need to modify vcxproj files to make it work.
>
>I checked out source code from the latest master version on github. I was expecting the build would go smoothly since I didn't modify anything.
>
I once wrote this:

https://github.com/njesp/build_pgaudit_on_windows#build-pgaudit-as-part-of-a-full-postgresql-build<https://github.com/njesp/build_pgaudit_on_windows%23build-pgaudit-as-part-of-a-full-postgresql-build>

as part of something else.

Regards Niels