Mono: the runtime packages for .NET 6+ for iOS/tvOS/watchOS do not contain the static libraries required for interpreter support

[rolfbjarne]

The mono runtime packages for .NET 6 for iOS/tvOS/watchOS do not contain these static libraries:

• libmono-ee-interp.a
• libmono-icall-table.a
• libmono-ilgen.a

which are required for interpreter support:

$ ls -la  ~/.nuget/packages/microsoft.netcore.app.runtime.ios-x64/5.0.0-preview.6.20264.1/runtimes/ios-x64/native             
total 76456
drwxr-xr-x  15 rolf  staff       480 May 19 16:19 .
drwxr-xr-x   4 rolf  staff       128 May 19 16:19 ..
-rwxr--r--   1 rolf  staff   3084160 May 14 09:27 System.Private.CoreLib.dll
drwxr-xr-x   5 rolf  staff       160 May 19 16:19 cross
drwxr-xr-x   3 rolf  staff        96 May 19 16:19 include
-rwxr--r--   1 rolf  staff   2894936 May 14 09:38 libSystem.IO.Compression.Native.a
-rwxr--r--   1 rolf  staff    917376 May 14 09:38 libSystem.IO.Compression.Native.dylib
-rwxr--r--   1 rolf  staff    363120 May 14 09:38 libSystem.Native.a
-rwxr--r--   1 rolf  staff     69380 May 14 09:38 libSystem.Native.dylib
-rwxr--r--   1 rolf  staff     26936 May 14 09:38 libSystem.Net.Security.Native.a
-rwxr--r--   1 rolf  staff     15784 May 14 09:38 libSystem.Net.Security.Native.dylib
-rwxr--r--   1 rolf  staff    150008 May 14 09:38 libSystem.Security.Cryptography.Native.Apple.a
-rwxr--r--   1 rolf  staff     32164 May 14 09:38 libSystem.Security.Cryptography.Native.Apple.dylib
-rwxr--r--   1 rolf  staff  26937688 May 14 09:22 libmono.a
-rwxr--r--   1 rolf  staff   4642932 May 14 09:26 libmono.dylib

For the record, this is what Mono currently provides:

$ curl -LO https://xamjenkinsartifact.azureedge.net/mono-sdks/xcode-11C29/ios-release-Darwin-be2226b5a1c57df065efc4c1cf008d581e5cec7d.7z
$ 7z l *7z | grep ios/.*libmono.*[.]a$
2020-09-16 14:09:19 ....A      3302104               ios-libs/ios/libmono-ee-interp.a
2020-09-16 14:09:19 ....A       411840               ios-libs/ios/libmono-icall-table.a
2020-09-16 14:09:19 ....A      1356376               ios-libs/ios/libmono-ilgen.a
2020-09-16 14:09:19 ....A      6829584               ios-libs/ios/libmono-native-compat.a
2020-09-16 14:09:19 ....A      6784088               ios-libs/ios/libmono-native-unified.a
2020-09-16 14:09:19 ....A      1726496               ios-libs/ios/libmono-profiler-log.a
2020-09-16 14:09:19 ....A     60355440               ios-libs/ios/libmonosgen-2.0.a

Ref: https://github.com/xamarin/xamarin-macios/blob/764734d20aa0862ff0666559615762ec709bcf07/tools/mtouch/Target.mtouch.cs#L1515-L1522
Ref: https://github.com/xamarin/xamarin-macios/blob/b7511be48cca7e823703b3c3966ec9af7a8b287e/tools/common/Target.cs#L714-L720

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