Make editbin.exe optional. Update README.md.

ILSpy/ILSpy.csproj

@@ -420,11 +420,12 @@
 
   <PropertyGroup>
     <VCBasePath>$(MSBuildToolsPath)\..\..\..\VC\</VCBasePath>
+	<VCToolsVersionPropsFile>$(VCBasePath)Auxiliary\Build\Microsoft.VCToolsVersion.default.props</VCToolsVersionPropsFile>
   </PropertyGroup>
 
-  <Import Project="$(VCBasePath)Auxiliary\Build\Microsoft.VCToolsVersion.default.props" />
+  <Import Project="$(VCToolsVersionPropsFile)" Condition="Exists('$(VCToolsVersionPropsFile)')" />
   
   <Target Name="PostBuild" AfterTargets="PostBuildEvent">
-    <Exec Command="&quot;$(VCBasePath)Tools\MSVC\$(VCToolsVersion)\bin\Hostx64\x64\editbin.exe&quot; /stack:16777216 &quot;$(TargetPath)&quot;&#xD;&#xA;EXIT 0" />
+    <Exec Condition="'$(VCToolsVersion)'!=''" Command="&quot;$(VCBasePath)Tools\MSVC\$(VCToolsVersion)\bin\Hostx64\x64\editbin.exe&quot; /stack:16777216 &quot;$(TargetPath)&quot;&#xD;&#xA;EXIT 0" />
   </Target>
 </Project>

README.md

@@ -50,6 +50,8 @@ Windows:
 - Execute `git submodule update --init --recursive` to get all required submodules.
 - Use ILSpy.sln to work.
 
+(Optional, Windows-only) Note: If you want to use the same build configuration as the build server, you will have to install `VC++ 2017 version 15.7 v14.14 latest v141 tools` (or similar) from the "Individual components" section in the Visual Studio Setup. We use `editbin.exe` to modify the stack size used by ILSpy.exe from 1MB to 16MB, because the decompiler makes heavy use of recursion, where small stack sizes lead to problems in very complex methods.
+
 Unix:
 - Check out the repository using git.
 - Execute `git submodule update --init --recursive` to get all required submodules.