[wkz]

For one, I think this would be cumbersome from a debugging perspective. All of the address-to-source-mappings in your DWARF section would point to things like "lib.c:237652" instead of "lib-module.c:347".

It also means that you're effectively linking all you dependencies statically. In some cases this can be a plus, in some cases a minus. I think having the choice is important though.

I imagine there are lots of other parts of the toolchain that would have to be updated to support this workflow. Seems like a lot of hassle for something that, though at times complicated, mostly works.

[Mikhail_Edoshin]

There's the #line directive that can keep the original file names and line numbers.