Cannot build Xamarin.iOS with Microsoft Solver Foundation -

i've added microsoft solver foundation via nuget xamarin ios project fails build message:

build failed.  mtouch : warning mt5215: references 'gdiplus' might require additional -framework=xxx or -lxxx instructions native linker mtouch : warning mt5215: references 'gdi32' might require additional -framework=xxx or -lxxx instructions native linker mtouch : warning mt5215: references 'user32' might require additional -framework=xxx or -lxxx instructions native linker mtouch : warning mt5215: references 'libx11' might require additional -framework=xxx or -lxxx instructions native linker mtouch : warning mt5215: references 'winspool' might require additional -framework=xxx or -lxxx instructions native linker mtouch : warning mt5215: references 'libcups' might require additional -framework=xxx or -lxxx instructions native linker mtouch : warning mt5215: references 'kernel32' might require additional -framework=xxx or -lxxx instructions native linker clang : error : linker command failed exit code 1 (use -v see invocation) error mt5209 : native linking error : framework not found carbon mtouch : error mt5202: native linking failed. please review build log.     7 warning(s)     3 error(s) 

i'm starting out xamarin , haven't seen these issues before. know how can fix them?

here's screenshot

i'm not sure if mircosoft solver has been updated recently, understanding it's internal reliance on linq assemblies meant didn't work monoframework properly.

i've not seen reference that's linked assemblies correctly. i'm not entirely sure if solver can linked xamarin @ moment.

looking @ exception logs above it's pushing assembly build native linker, , it's hitting exceptions dlls. in native linker cases have wait xamarin team push out update. don't think solver foundation on list.

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example of native linker bugs