anchor.diff:  		local vcvarsall = vcdir .. 'vcvarsall.bat'
   		if exists(vcvarsall) then
   			local vcvarsall_args = { x86 = "", x86_64 = " amd64", arm64 = " x86_arm64" }
  -			return ('call "%s"%s'):format(vcvarsall, vcvarsall_args[vars.UNAME_M])
  +			return ('call "%s"%s > NUL'):format(vcvarsall, vcvarsall_args[vars.UNAME_M])
   		end
   	end
   
  
positive.code: 		for _, bat in ipairs(vcvars_bats[vars.UNAME_M]) do
  			local full_path = vcdir .. bat
  			if exists(full_path) then
  				return ('call "%s"'):format(full_path)
  			end
  		end
  
  
negative.code: 	if wsdkdir then
  		local setenv = wsdkdir.."Bin\\SetEnv.cmd"
  		if exists(setenv) then
  			return ('call "%s" /%s > NUL'):format(setenv, x64 and "x64" or "x86")
  		end
  	end
  
  