forcing Debian/trixie system GCC (or Linux Mint) to always compile with DWARF debug info

[Florian Weimer]

* Basile Starynkevitch:

> Is there a way to force the spec file for the system compiler
> /usr/bin/g++ to enable -g implicitly.
>
> IIRC, the spec file is builtin the /usr/bin/gcc executable, and to
> change it I have to recompile GCC entirely. Can I avoid recompiling all
> of GCC?

Debian's GCC tries to load specs files from a few locations, see the
strace output.