Bump to mono:2020-02 (#7795)

Bump mono to 2020-02 head to be in sync with Android.

Co-authored-by: Imran Hameed <imhameed@microsoft.com>
Co-authored-by: Sebastien Pouliot <sebastien.pouliot@microsoft.com>
Co-authored-by: Ankit Jain <radical@gmail.com>
Co-authored-by: Manuel de la Pena <mandel@microsoft.com>
Co-authored-by: Sebastien Pouliot <sebastien.pouliot@gmail.com>

Make.config

@@ -69,9 +69,9 @@ include $(TOP)/mk/mono.mk
 MONO_HASH := $(NEEDED_MONO_VERSION)
 
 # Minimum Mono version for building XI/XM
-MIN_MONO_VERSION=6.10.0.91
-MAX_MONO_VERSION=6.10.99
-MIN_MONO_URL=https://xamjenkinsartifact.azureedge.net/build-package-osx-mono/2019-12/94/b27b2d7f6118dff79cc238a22040ee93da39bab4/MonoFramework-MDK-6.10.0.91.macos10.xamarin.universal.pkg
+MIN_MONO_VERSION=6.12.0.39
+MAX_MONO_VERSION=6.12.99
+MIN_MONO_URL=https://xamjenkinsartifact.azureedge.net/build-package-osx-mono/2020-02/41/338349925cd380cad2d19c6c15184cf22cf14800/MonoFramework-MDK-6.12.0.39.macos10.xamarin.universal.pkg
 
 # Minimum Mono version for Xamarin.Mac apps using the system mono
 MIN_XM_MONO_VERSION=6.4.0.94
@@ -281,8 +281,8 @@ SYSTEM_CSC=$(MONO_PREFIX)/bin/csc
 SYSTEM_SN=$(MONO_PREFIX)/bin/sn
 SYSTEM_MONO=$(MONO_PREFIX)/bin/mono
 SYSTEM_MONO32=$(MONO_PREFIX)/bin/mono32
-SYSTEM_XBUILD=$(MONO_PREFIX)/bin/msbuild /p:Features=strict
-SYSTEM_MSBUILD=unset MSBuildExtensionsPath && $(MONO_PREFIX)/bin/msbuild /p:Features=strict
+SYSTEM_XBUILD=$(MONO_PREFIX)/bin/msbuild /p:Features=strict /m
+SYSTEM_MSBUILD=unset MSBuildExtensionsPath && $(MONO_PREFIX)/bin/msbuild /p:Features=strict /m
 SYSTEM_RESGEN=$(MONO_PREFIX)/bin/resgen
 
 XIBUILD_EXE_PATH=$(abspath $(TOP)/tools/xibuild/bin/Debug/xibuild.exe)

mk/mono.mk

@@ -1,5 +1,5 @@
-NEEDED_MONO_VERSION := 2ff898859b8b75f123a5c895959a7e82dc829ea5
-NEEDED_MONO_BRANCH := 2019-12
+NEEDED_MONO_VERSION := d90665a422e9f8d015585b3ca381d74faa033cc4
+NEEDED_MONO_BRANCH := 2020-02
 
 MONO_DIRECTORY := mono
 MONO_MODULE    := https://github.com/mono/mono

tools/linker/MonoTouch.Tuner/ListExportedSymbols.cs

@@ -125,8 +125,8 @@ void ProcessMethod (MethodDefinition method)
 				}
 			}
 
-			if (MarkStep.IsPropertyMethod (method)) {
-				var property = MarkStep.GetProperty (method);
+			if (method.IsPropertyMethod ()) {
+				var property = method.GetProperty ();
 				object symbol;
 				// The Field attribute may have been linked away, but we've stored it in an annotation.
 				if (property != null && Context.Annotations.GetCustomAnnotations ("ExportedFields").TryGetValue (property, out symbol)) {

tools/linker/MonoTouch.Tuner/MonoTouchMarkStep.cs

@@ -189,15 +189,15 @@ void ProcessSystemCore (TypeDefinition type)
 				case "CallSite":
 					var cs_ops = type.Module.GetType ("System.Runtime.CompilerServices.CallSiteOps");
 					if (cs_ops != null)
-						MarkMethods (ResolveTypeDefinition (cs_ops));
+						MarkMethods (cs_ops.Resolve ());
 
 					break;
 				case "CallSite`1":
 					MarkNamedMethod (type, "get_Update");
 
 					var ud = type.Module.GetType ("System.Dynamic.UpdateDelegates");
 					if (ud != null)
-						MarkMethods (ResolveTypeDefinition (ud));
+						MarkMethods (ud.Resolve ());
 
 					break;
 				}

tools/mmp/mmp.csproj

@@ -176,6 +176,18 @@
     <Compile Include="..\..\builds\mono-ios-sdk-destdir\ios-sources\external\linker\src\linker\Linker\OutputException.cs">
       <Link>Linker\OutputException.cs</Link>
     </Compile>
+    <Compile Include="..\..\builds\mono-ios-sdk-destdir\ios-sources\external\linker\src\linker\Linker\IReflectionPatternRecorder.cs">
+      <Link>Linker\IReflectionPatternRecorder.cs</Link>
+    </Compile>
+    <Compile Include="..\..\builds\mono-ios-sdk-destdir\ios-sources\external\linker\src\linker\Linker\IDependencyRecorder.cs">
+      <Link>Linker\IDependencyRecorder.cs</Link>
+    </Compile>
+    <Compile Include="..\..\builds\mono-ios-sdk-destdir\ios-sources\external\linker\src\linker\Linker\XmlDependencyRecorder.cs">
+      <Link>Linker\XmlDependencyRecorder.cs</Link>
+    </Compile>
+    <Compile Include="..\..\builds\mono-ios-sdk-destdir\ios-sources\external\linker\src\linker\Linker\LoggingReflectionPatternRecorder.cs">
+      <Link>Linker\LoggingReflectionPatternRecorder.cs</Link>
+    </Compile>
     <Compile Include="..\..\builds\mono-ios-sdk-destdir\ios-sources\external\linker\src\linker\Linker.Steps\BaseStep.cs">
       <Link>Linker.Steps\BaseStep.cs</Link>
     </Compile>

tools/mtouch/mtouch.csproj

@@ -9,6 +9,7 @@
     <AssemblyName>mtouch</AssemblyName>
     <RootNamespace>mtouch</RootNamespace>
     <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>True</DebugSymbols>
@@ -165,6 +166,18 @@
     <Compile Include="..\..\builds\mono-ios-sdk-destdir\ios-sources\external\linker\src\linker\Linker\OutputException.cs">
       <Link>Linker\OutputException.cs</Link>
     </Compile>
+    <Compile Include="..\..\builds\mono-ios-sdk-destdir\ios-sources\external\linker\src\linker\Linker\IReflectionPatternRecorder.cs">
+      <Link>Linker\IReflectionPatternRecorder.cs</Link>
+    </Compile>
+    <Compile Include="..\..\builds\mono-ios-sdk-destdir\ios-sources\external\linker\src\linker\Linker\IDependencyRecorder.cs">
+      <Link>Linker\IDependencyRecorder.cs</Link>
+    </Compile>
+    <Compile Include="..\..\builds\mono-ios-sdk-destdir\ios-sources\external\linker\src\linker\Linker\XmlDependencyRecorder.cs">
+      <Link>Linker\XmlDependencyRecorder.cs</Link>
+    </Compile>
+    <Compile Include="..\..\builds\mono-ios-sdk-destdir\ios-sources\external\linker\src\linker\Linker\LoggingReflectionPatternRecorder.cs">
+      <Link>Linker\LoggingReflectionPatternRecorder.cs</Link>
+    </Compile>
     <Compile Include="..\..\builds\mono-ios-sdk-destdir\ios-sources\external\linker\src\linker\Linker.Steps\BaseStep.cs">
       <Link>Linker.Steps\BaseStep.cs</Link>
     </Compile>