ode to msbuild and DRY, also attempt to add invariants about fsc.props setting.

Keeping the VS2017 paths here as this is probably good template other F# project may rely upon.

Author: smoothdeveloper

fsc.props

@@ -6,45 +6,50 @@
     <IsOSX Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::OSX)))' == 'true'">true</IsOSX>
     <IsLinux Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true'">true</IsLinux>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files (x86)\Microsoft SDKs\F#\4.1\Framework\v4.0\fsc.exe')">
-    <FscToolPath>C:\Program Files (x86)\Microsoft SDKs\F#\4.1\Framework\v4.0</FscToolPath>
+  <PropertyGroup Condition="'$(IsWindows)' == 'true'">
     <FscToolExe>fsc.exe</FscToolExe>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files\Microsoft Visual Studio\2022\BuildTools\Common7\IDE\CommonExtensions\Microsoft\FSharp\fsc.exe')">
+    <FscToolPath>C:\Program Files\Microsoft Visual Studio\2022\BuildTools\Common7\IDE\CommonExtensions\Microsoft\FSharp</FscToolPath>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files\Microsoft Visual Studio\2022\Community\Common7\IDE\CommonExtensions\Microsoft\FSharp\fsc.exe')">
+    <FscToolPath>C:\Program Files\Microsoft Visual Studio\2022\Community\Common7\IDE\CommonExtensions\Microsoft\FSharp</FscToolPath>    
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files\Microsoft Visual Studio\2022\Professional\Common7\IDE\CommonExtensions\Microsoft\FSharp\fsc.exe')">
+    <FscToolPath>C:\Program Files\Microsoft Visual Studio\2022\Professional\Common7\IDE\CommonExtensions\Microsoft\FSharp</FscToolPath>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files\Microsoft Visual Studio\2022\Enterprise\Common7\IDE\CommonExtensions\Microsoft\FSharp\fsc.exe')">
+    <FscToolPath>C:\Program Files\Microsoft Visual Studio\2022\Enterprise\Common7\IDE\CommonExtensions\Microsoft\FSharp</FscToolPath>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\Common7\IDE\CommonExtensions\Microsoft\FSharp\fsc.exe')">
     <FscToolPath>C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\Common7\IDE\CommonExtensions\Microsoft\FSharp</FscToolPath>
-    <FscToolExe>fsc.exe</FscToolExe>
   </PropertyGroup>
   <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\IDE\CommonExtensions\Microsoft\FSharp\fsc.exe')">
     <FscToolPath>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\IDE\CommonExtensions\Microsoft\FSharp</FscToolPath>
-    <FscToolExe>fsc.exe</FscToolExe>
   </PropertyGroup>
   <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files (x86)\Microsoft Visual Studio\2019\Professional\Common7\IDE\CommonExtensions\Microsoft\FSharp\fsc.exe')">
     <FscToolPath>C:\Program Files (x86)\Microsoft Visual Studio\2019\Professional\Common7\IDE\CommonExtensions\Microsoft\FSharp</FscToolPath>
-    <FscToolExe>fsc.exe</FscToolExe>
   </PropertyGroup>
   <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\Common7\IDE\CommonExtensions\Microsoft\FSharp\fsc.exe')">
     <FscToolPath>C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\Common7\IDE\CommonExtensions\Microsoft\FSharp</FscToolPath>
-    <FscToolExe>fsc.exe</FscToolExe>
   </PropertyGroup>
   <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\Common7\IDE\CommonExtensions\Microsoft\FSharp\fsc.exe')">
     <FscToolPath>C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\Common7\IDE\CommonExtensions\Microsoft\FSharp</FscToolPath>
-    <FscToolExe>fsc.exe</FscToolExe>
   </PropertyGroup>
   <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\CommonExtensions\Microsoft\FSharp\fsc.exe')">
     <FscToolPath>C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\CommonExtensions\Microsoft\FSharp</FscToolPath>
-    <FscToolExe>fsc.exe</FscToolExe>
   </PropertyGroup>
   <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\Common7\IDE\CommonExtensions\Microsoft\FSharp\fsc.exe')">
     <FscToolPath>C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\Common7\IDE\CommonExtensions\Microsoft\FSharp</FscToolPath>
-    <FscToolExe>fsc.exe</FscToolExe>
   </PropertyGroup>
   <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\CommonExtensions\Microsoft\FSharp\fsc.exe')">
     <FscToolPath>C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\CommonExtensions\Microsoft\FSharp</FscToolPath>
-    <FscToolExe>fsc.exe</FscToolExe>
   </PropertyGroup>
   <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files (x86)\Microsoft SDKs\F#\10.1\Framework\v4.0\fsc.exe')">
     <FscToolPath>C:\Program Files (x86)\Microsoft SDKs\F#\10.1\Framework\v4.0</FscToolPath>
-    <FscToolExe>fsc.exe</FscToolExe>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(IsWindows)' == 'true' AND Exists('C:\Program Files (x86)\Microsoft SDKs\F#\4.1\Framework\v4.0\fsc.exe')">
+    <FscToolPath>C:\Program Files (x86)\Microsoft SDKs\F#\4.1\Framework\v4.0</FscToolPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(IsOSX)' == 'true'  AND Exists('/Library/Frameworks/Mono.framework/Versions/Current/Commands/fsharpc')">
     <FscToolPath>/Library/Frameworks/Mono.framework/Versions/Current/Commands</FscToolPath>
@@ -54,4 +59,10 @@
     <FscToolPath>/usr/bin</FscToolPath>
     <FscToolExe>fsharpc</FscToolExe>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(FscToolPath)' == ''">
+    <Error Text="FscToolPath MSBuild property could'nt be set" />
+  <PropertyGroup>
+  <PropertyGroup Condition="'$(FscToolExe)' == ''">
+    <Error Text="FscToolExe MSBuild property could'nt be set" />
+  <PropertyGroup>
 </Project>