Can't compile with ldc in termux

[jfondren]

On Wednesday, 11 August 2021 at 19:16:25 UTC, jfondren wrote:
With two dashes:

> ```
> default:
> {
>     switches = [
>         "-defaultlib=phobos2-ldc,druntime-ldc",
>         "-link-defaultlib-shared=false",
>         "--linker=", // <-- add this
>     ];
> ```