This task ends up setting as env variable the Xamarin Sdk root directory on the Mac, but when building from Windows it was setting the Windows path, so instead we need to override it with the proper value on macOS.
This should not change the original behavior when building from macOS.
Converts the Microsoft.iOS.Windows.Sdk NuGet package into a proper
[workload SDK pack][0]. The entry point for this pack has been changed,
and it is now imported through the `WorkloadManifest.targets` file
included in `Microsoft.NET.Workload.iOS`, rather than being imported
directly from `Microsoft.iOS.Sdk`.
Import ordering has otherwise changed slightly. The following files are
now imported before the majority of the `Microsoft.iOS.Sdk` (and the
majority of the .NET SDK targets):
* Xamarin.iOS.Common.Before.props
* Xamarin.iOS.Common.Before.targets
After this the majority of the .NET SDK targets will load, followed by
the `Microsoft.iOS.Sdk` targets. Finally, everything declared in the
`<AfterMicrosoftNETSdkTargets/>` hook loads, which consists of:
* Microsoft.iOS.Windows.Sdk.targets
* tools/msbuild/*
[0]: https://github.com/dotnet/designs/blob/main/accepted/2020/workloads/workload-manifest.md#sdk-packs
Co-authored-by: Rolf Bjarne Kvinge <rolf@xamarin.com>
Emanuel Fernandez Dell'Oca
Peter Collins