DUB / compiling same source and config to different windows subsystems in 32/64 bit

[Mike Parker]

On Tuesday, 5 March 2019 at 02:13:30 UTC, evilrat wrote:

> This should do for MS linker
>
>     "lflags-windows-x86_64": ["/SUBSYSTEM:CONSOLE"],
>     "lflags-windows-x86_mscoff": ["/SUBSYSTEM:WINDOWS"]
>
> For old optlink x86 it is a bit harder, you need to include 
> special .def file that has instruction for linker, here is an 
> example from dlangui[2], adding it with linker libs should 
> work, probably, or maybe, or...
>

No, you don't need a def file. OPTLINK understands the same 
option:

hello.d
```
void main() {
     import std.stdio;
     writeln("Hello");
```

`dmd hello` outputs "hello"
`dmd -L/SUBSYSTEM:windows hello` outputs nothing.