[Issue 14296] RDMD fails at building a lib when the source is in a subdir

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14296

--- Comment #8 from Walter Bright <bugzilla at digitalmars.com> ---
BTW, every file name generation algorithm in DMD is different from every other
one. It is extremely bad design. Frankly, we should design a new set of flags
and do it consistently, and then undocument the existing ones.

Meanwhile, rdmd should simply use fully qualified names and avoid the issue
entirely.

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