multi core

Rx.NET/Source/build-new.ps1

@@ -35,10 +35,10 @@ if (!(Test-Path .\nuget.exe)) {
 New-Item -ItemType Directory -Force -Path $artifacts
 
 Write-Host "Restoring packages for $scriptPath\System.Reactive.sln" -Foreground Green
-msbuild "$scriptPath\System.Reactive.sln" /t:restore /p:Configuration=$configuration 
+msbuild "$scriptPath\System.Reactive.sln" /m /t:restore /p:Configuration=$configuration 
 
 Write-Host "Building $scriptPath\System.Reactive.sln" -Foreground Green
-msbuild "$scriptPath\System.Reactive.sln" /t:build /p:Configuration=$configuration 
+msbuild "$scriptPath\System.Reactive.sln" /m /t:build /p:Configuration=$configuration 
 
 Write-Host "Building Packages" -Foreground Green
 msbuild "$scriptPath\src\System.Reactive\System.Reactive.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true /p:NuGetBuildTasksPackTargets="workaround"