How can I use ldc2 and link to full runtime on arm with no OS

[Dan Walmsley via Digitalmars-d]

On Tuesday, 20 June 2017 at 19:44:46 UTC, kinke wrote:
> On Tuesday, 20 June 2017 at 17:52:59 UTC, Dan Walmsley wrote:
>> How do I link in the run time and gc, etc?
>
> In your case, you firstly need to cross-compile druntime to 
> your target. This means compiling most files in the src 
> subdirectory of LDC's druntime [1], excluding obvious ones like 
> src\test_runner.d, src\core\sys, src\core\stdcpp etc. There are 
> also a bunch of C and assembly files which need to be 
> cross-compiled with a matching gcc. You'll need to do this 
> manually via something along these lines:
>
> cross-gcc -c <.c files and .asm/S files>
> ldc2 -mtriple=... -lib -betterC -release -boundscheck=off <.o 
> files generated above> <list of D source modules> 
> -of=libdruntime.a
>
> Then try linking your minimal code against that druntime (and 
> static C libs, as druntime is built on top of the C runtime, 
> see [2]). Depending on what features you make use of in your 
> code, you'll need to patch linked-in druntime modules to remove 
> the OS dependencies and possibly reduce the C runtime 
> dependencies as well.
>
> [1] https://github.com/ldc-developers/druntime.
> [2] 
> http://forum.dlang.org/thread/mojmxbjwtfmioevuoggb@forum.dlang.org

when trying to compile I'm getting lots of errors like this one:

C:\dev\repos\druntime\src\gc\impl\manual\gc.d(28): Error: module 
config is in file 'gc\config.d' which cannot be read

import path[0] = 
C:\Users\danw\AvalonStudio\AppData\Repos\AvalonStudio.Toolchains.LDC.win-x64.4.0.0-build2-alpha\content\bin\..\import\ldc

import path[1] = 
C:\Users\danw\AvalonStudio\AppData\Repos\AvalonStudio.Toolchains.LDC.win-x64.4.0.0-build2-alpha\content\bin\..\import

Build Failed

any ideas what could be the cause?