Adds flags to enable rebuild locally (#153)

***NO_CI***

MetadataProcessor.Tests/MetadataProcessor.Tests.csproj

@@ -117,10 +117,10 @@
   <PropertyGroup>
     <PreBuildEvent>
       nuget restore "$(ProjectDir)mscorlib\nanoFramework.CoreLibrary.sln"
-      "$(MSBuildBinPath)\msbuild" "$(ProjectDir)mscorlib\nanoFramework.CoreLibrary.sln" -t:Build -p:Configuration=$(Configuration) -p:NF_MDP_MSBUILDTASK_PATH="$(ProjectDir)..\MetadataProcessor.MsBuildTask\bin\$(Configuration)\net472" /m
-      "$(MSBuildBinPath)\msbuild" "$(ProjectDir)TestNFClassLibrary\TestNFClassLibrary\TestNFClassLibrary.nfproj" -t:Build -p:Configuration=$(Configuration) -p:NF_MDP_MSBUILDTASK_PATH="$(ProjectDir)..\MetadataProcessor.MsBuildTask\bin\$(Configuration)\net472"
-      "$(MSBuildBinPath)\msbuild" "$(ProjectDir)TestNFApp\TestNFApp.nfproj" -t:Build -p:Configuration=$(Configuration) -p:NF_MDP_MSBUILDTASK_PATH="$(ProjectDir)..\MetadataProcessor.MsBuildTask\bin\$(Configuration)\net472"
-      "$(MSBuildBinPath)\msbuild" "$(ProjectDir)StubsGenerationTestNFApp\StubsGenerationTestNFApp.nfproj" -t:Build -p:Configuration=$(Configuration) -p:NF_MDP_MSBUILDTASK_PATH="$(ProjectDir)..\MetadataProcessor.MsBuildTask\bin\$(Configuration)\net472"
+      "$(MSBuildBinPath)\msbuild" "$(ProjectDir)mscorlib\nanoFramework.CoreLibrary.sln" -t:Build -nr:False -p:Configuration=$(Configuration) -p:NF_MDP_MSBUILDTASK_PATH="$(ProjectDir)..\MetadataProcessor.MsBuildTask\bin\$(Configuration)\net472" /m
+      "$(MSBuildBinPath)\msbuild" "$(ProjectDir)TestNFClassLibrary\TestNFClassLibrary\TestNFClassLibrary.nfproj" -t:Build -nr:False -p:Configuration=$(Configuration) -p:NF_MDP_MSBUILDTASK_PATH="$(ProjectDir)..\MetadataProcessor.MsBuildTask\bin\$(Configuration)\net472"
+      "$(MSBuildBinPath)\msbuild" "$(ProjectDir)TestNFApp\TestNFApp.nfproj" -t:Build -nr:False -p:Configuration=$(Configuration) -p:NF_MDP_MSBUILDTASK_PATH="$(ProjectDir)..\MetadataProcessor.MsBuildTask\bin\$(Configuration)\net472"
+      "$(MSBuildBinPath)\msbuild" "$(ProjectDir)StubsGenerationTestNFApp\StubsGenerationTestNFApp.nfproj" -t:Build -nr:False -p:Configuration=$(Configuration) -p:NF_MDP_MSBUILDTASK_PATH="$(ProjectDir)..\MetadataProcessor.MsBuildTask\bin\$(Configuration)\net472"
       mkdir "$(TargetDir)\TestNFApp"
       mkdir "$(TargetDir)\StubsGenerationTestNFApp"
       copy /y "$(ProjectDir)TestNFApp\$(OutDir)\*" "$(TargetDir)\TestNFApp"
@@ -131,4 +131,4 @@
     <Copy SourceFiles="$(PkgnanoFramework_nanoCLR_Win32)\tools\nanoFramework.nanoCLR.exe" DestinationFolder="$(TargetDir)\nanoCLR" SkipUnchangedFiles="false">
     </Copy>
   </Target>
-</Project>
+</Project>

README.md

@@ -31,7 +31,9 @@ When adding a project to the solution the following points have to be kept in mi
 
 - nanoFramework projects (.nfproj) have to be build in `AnyCPU` configuration.
 - DLLs for msbuild tasks have to be build in `x64` because Visual Studio uses this architecture since VS2022.
-- Any nanoFramework projects (.nfproj) that are required for Unit Tests have to have theyr build configuration changed so they don't build. Building those has to be added to the pre-build event of the Unit Test project that will be using it. See the [prebuild event](https://github.com/nanoframework/metadata-processor/blob/bcb82f6c9153cdc3863abf6fcc5b589437408b28/MetadataProcessor.Tests/MetadataProcessor.Tests.csproj#L118-L128) for the MetadataProcessor.Tests project.
+- Any nanoFramework projects (.nfproj) that are required for Unit Tests have to have their build configuration changed so they don't build. Building those has to be added to the pre-build event of the Unit Test project that will be using it. See the [prebuild event](https://github.com/nanoframework/metadata-processor/blob/bcb82f6c9153cdc3863abf6fcc5b589437408b28/MetadataProcessor.Tests/MetadataProcessor.Tests.csproj#L118-L128) for the MetadataProcessor.Tests project. When adding nanoFramework projects to the pre-build event it is important to add the `-nr=False` flag<sup>[1]</sup>.
+
+1. This flag disables "nodeReuse", this is needed as a custom MsBuildTask is used which also gets rebuilt. "NodeReuse" keeps instances of MsBuild running which interferes with the rebuilding of the custom MsBuildTask.
 
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