Cannot make sense of LLD linker error with ldc 1.11.0

[Per Nordlöw]

On Thursday, 30 August 2018 at 16:12:24 UTC, kinke wrote:
> Nope, I now think this is more likely an issue with the default 
> config (etc/ldc2.conf). It contains a new section for 
> WebAssembly, which specificies `-link-internally`, which seems 
> to be wrongly used for non-WebAssembly too in your case.
> I take it you're not using an official package, but a distro 
> one?

My mistake, I was using dmd's dub (at /usr/bin/dub) instead of 
ldc's.

As I prefer to have both installed at the same time, does anybody 
have any good trick to prevent this from happening in the 
future...some clever bash alias for instance?