Instructions for compilation from multiple source files

[Solomon E via Digitalmars-d-learn]

On Monday, 10 November 2014 at 12:49:46 UTC, ketmar via
Digitalmars-d-learn wrote:

> you'd better not use command-line toolchain, they all aren't 
> ready. if
> you can't figure out how to use some compiler of GCC suite, 
> you'd
> better try some IDEs.

So there's such a lack of documentation on D that I'm *supposed*
to just guess and experiment about what .o and .a files might be,
or hope that an IDE frontend writer guessed right? There's no
specification whatsoever?