This works around the MSVC headers reporting issues about the clang version. (Also requires VS 16.9 Preview 2)

*Corrected build scripts to allow VS pre-release versions.
* Updated to CPPSharp 0.10.2 (NOTE: 0.10.3-0.10.5 have issues that trigger a dereference of NULL in native code)

Author: smaillet

Build-All.ps1

@@ -11,7 +11,7 @@ $oldPath = $env:Path
 try
 {
     . .\buildutils.ps1
-    $buildInfo = Initialize-BuildEnvironment -FullInit
+    $buildInfo = Initialize-BuildEnvironment -FullInit -AllowVsPreReleases:$AllowVsPreReleases
 
     $BuildSource = $false
     $BuildDocs = $false;
@@ -33,12 +33,12 @@ try
 
     if($BuildSource)
     {
-        .\Build-Source.ps1
+        .\Build-Source.ps1 -AllowVsPreReleases:$AllowVsPreReleases
     }
 
     if($BuildDocs)
     {
-        .\Build-Docs.ps1
+        .\Build-Docs.ps1 -AllowVsPreReleases:$AllowVsPreReleases
     }
 }
 catch

Build-Interop.ps1

@@ -44,7 +44,7 @@ $oldPath = $env:Path
 try
 {
     . .\buildutils.ps1
-    $buildInfo = Initialize-BuildEnvironment
+    $buildInfo = Initialize-BuildEnvironment -AllowVsPreReleases:$AllowVsPreReleases
 
     # Download and unpack the LLVM libs if not already present, this doesn't use NuGet as the NuGet compression
     # is insufficient to keep the size reasonable enough to support posting to public galleries. Additionally, the

Build-Source.ps1

@@ -8,7 +8,7 @@ $oldPath = $env:Path
 try
 {
     . .\buildutils.ps1
-    $buildInfo = Initialize-BuildEnvironment
+    $buildInfo = Initialize-BuildEnvironment -AllowVsPreReleases:$AllowVsPreReleases
 
     $packProperties = @{ version=$($buildInfo['PackageVersion'])
                          llvmversion=$($buildInfo['LlvmVersion'])
@@ -20,7 +20,7 @@ try
                             LlvmVersion = $buildInfo['LlvmVersion']
                           }
 
-    .\Build-Interop.ps1
+    .\Build-Interop.ps1 -AllowVsPreReleases:$AllowVsPreReleases
 
     $buildLogPath = Join-Path $buildInfo['BinLogsPath'] Ubiquity.NET.Llvm.binlog
     Write-Information "Building Ubiquity.NET.Llvm"

Packages.props

@@ -13,7 +13,7 @@
         <PackageReference Update="MSTest.TestFramework" Version="2.1.0" />
         <PackageReference Update="MSTest.TestAdapter" Version="2.1.0" />
         <PackageReference Update="System.Memory" Version="4.5.4" />
-        <PackageReference Update="CppSharp" Version="0.10.1" />
+        <PackageReference Update="CppSharp" Version="0.10.2" />
         <PackageReference Update="Antlr4" Version="4.6.6"/>
         <PackageReference Update="OpenSoftware.DgmlBuilder" Version="1.14.0" />
         <PackageReference Update="System.Collections.Immutable" Version="1.7.0" />

PsModules/CommonBuild/CommonBuild.psm1

@@ -243,9 +243,11 @@ function Find-VSInstance([switch]$PreRelease, $Version = '[15.0, 17.0)', [string
         Install-Module VSSetup -Scope CurrentUser -Force:$forceModuleInstall | Out-Null
     }
 
-    Get-VSSetupInstance -Prerelease:$PreRelease |
-        Select-VSSetupInstance -Version $Version -Require $requiredComponents |
-        select -First 1
+    $vs = Get-VSSetupInstance -Prerelease:$PreRelease |
+          Select-VSSetupInstance -Version $Version -Require $requiredComponents |
+          select -Last 1
+
+    return $vs
 }
 
 function Find-MSBuild([switch]$AllowVsPreReleases)

buildutils.ps1

@@ -49,7 +49,7 @@ function Initialize-BuildEnvironment
 {
     # support common parameters
     [cmdletbinding()]
-    Param([switch]$FullInit)
+    Param([switch]$FullInit, [switch]$AllowVsPreReleases)
 
     # Script code should ALWAYS use the global CurrentBuildKind
     $currentBuildKind = Get-CurrentBuildKind
@@ -81,7 +81,7 @@ function Initialize-BuildEnvironment
         }
     }
 
-    $msbuildInfo = Find-MSBuild
+    $msbuildInfo = Find-MSBuild -AllowVsPreReleases:$AllowVsPreReleases
     if( !$msbuildInfo['FoundOnPath'] )
     {
         $env:Path = "$env:Path;$($msbuildInfo['BinPath'])"

src/Interop/LlvmBindingsGenerator/bindingsConfig.yml

@@ -10,8 +10,8 @@
 #        - ...
 # ----
 # Some functions are exported, but not projected into Ubiquity.NET.Llvm.Interop.NativeMethods. While this may seem strange, it is
-# generally used only for dipose functions that are only used by the hadle wrappers. Exposing such APIs for random callers
-# would introduce undefined behavior that most likely results i hard to diagnose crashes. So, they have private PInvoke
+# generally used only for dipose functions that are only used by the handle wrappers. Exposing such APIs for random callers
+# would introduce undefined behavior that most likely results in hard to diagnose crashes. So, they have private PInvoke
 # signatures in the handle types themselves, but are ignored for generating the public NativeMethods API surface
 #
 # Marshaling Info has a base type and multiple derived types
@@ -1144,11 +1144,6 @@ AnonymousEnums:
   LLVMAttributeReturnIndex: LLVMAttributeIndex
   LLVMMDStringMetadataKind: LLVMMetadataKind
 
-#IgnoredHeaders:
-#    - lto.h
-#    - LinkTimeOptimizer.h
-#    - OptRemarks.h
-#
 IgnoredHeaders:
   - llvm-c/LinkTimeOptimizer.h
   - llvm-c/lto.h