Re: druntime homebrew: setup and compile a single project with its own stdlib

[Hipreme via Digitalmars-d-learn]

On Saturday, 28 October 2023 at 18:37:37 UTC, Dmitry Ponyatov 
wrote:
I want to play with reimplementing some tiny set of standard D 
library, mostly for language learning, and need some advice
- is it possible to use `dub` both for building custom druntime 
and test app?
- or I must write some batch or Makefile and call `dmd` 
compiler directly onto every file?
- what `dmd`/`dub` command line options forces it to drop 
system-wide druntime/phobos and use custom local .so / .a 
library in place of it?

- is it possible to use `dub` both for building custom druntime 
and test app?
Yes, my engine does that

what `dmd`/`dub` command line options forces it to drop  
system-wide druntime/phobos and use custom local .so / .a 
library in place of it?

If you have a module source file with the same name you want to 
replace, the build will prioritize your own version.