restructure the output layout

also reorganize the scripts folder

scripts/compile.ps1

@@ -0,0 +1,89 @@
+param([string]$Configuration = "Debug")
+
+$ErrorActionPreference="Stop"
+
+. $PSScriptRoot\_common.ps1
+
+# Capture PATH for later
+$StartPath = $env:PATH
+$StartDotNetHome = $env:DOTNET_HOME
+
+try {
+
+    # Check prereqs
+    if (!(Get-Command -ErrorAction SilentlyContinue cmake)) {
+        throw @"
+cmake is required to build the native host 'corehost'"
+Download it from https://www.cmake.org
+"@
+    }
+
+    # Install a stage 0
+    header "Installing dotnet stage 0"
+    & "$PSScriptRoot\install.ps1"
+
+    # Put stage 0 on the path
+    $DotNetTools = "$($env:LOCALAPPDATA)\Microsoft\dotnet\cli"
+    if (Test-Path "$DotNetTools\dotnet.exe") {
+        Write-Warning "Your stage0 is using the old layout"
+        $DnxDir = "$DotNetTools\dnx"
+        $env:PATH = "$DotNetTools;$StartPath"
+    } elseif (Test-Path "$DotNetTools\bin\dotnet.exe") {
+        $DnxDir = "$DotNetTools\bin\dnx"
+        $env:PATH = "$DotNetTools\bin;$StartPath"
+    }
+
+    # Restore packages
+    header "Restoring packages"
+    dotnet restore "$RepoRoot" --quiet --runtime "osx.10.10-x64" --runtime "ubuntu.14.04-x64" --runtime "win7-x64"
+
+    header "Building corehost"
+    pushd "$RepoRoot\src\corehost"
+    try {
+        if (!(Test-Path "cmake\$Rid")) {
+            mkdir "cmake\$Rid" | Out-Null
+        }
+        cd "cmake\$Rid"
+        cmake ..\.. -G "Visual Studio 14 2015 Win64"
+        $pf = $env:ProgramFiles
+        if (Test-Path "env:\ProgramFiles(x86)") {
+            $pf = (cat "env:\ProgramFiles(x86)")
+        }
+        & "$pf\MSBuild\14.0\Bin\MSBuild.exe" ALL_BUILD.vcxproj /p:Configuration="$Configuration"
+
+        if (!(Test-Path $HostDir)) {
+            mkdir $HostDir | Out-Null
+        }
+        cp "$RepoRoot\src\corehost\cmake\$Rid\$Configuration\corehost.exe" $HostDir
+        cp "$RepoRoot\src\corehost\cmake\$Rid\$Configuration\corehost.pdb" $HostDir
+    } finally {
+        popd
+    }
+
+    # Build Stage 1
+    header "Building stage1 dotnet using downloaded stage0 ..."
+    & "$PSScriptRoot\build\build-stage.ps1" -Tfm:$Tfm -Rid:$Rid -Configuration:$Configuration -OutputDir:$Stage1Dir -RepoRoot:$RepoRoot -HostDir:$HostDir
+
+    # Build Stage 2 using Stage 1
+    $env:PATH = "$Stage1Dir\bin;$StartPath"
+    header "Building stage2 dotnet using just-built stage1 ..."
+    & "$PSScriptRoot\build\build-stage.ps1" -Tfm:$Tfm -Rid:$Rid -Configuration:$Configuration -OutputDir:$Stage2Dir -RepoRoot:$RepoRoot -HostDir:$HostDir
+
+    # Crossgen Roslyn
+    header "Crossgening Roslyn compiler ..."
+    cmd /c "$PSScriptRoot\crossgen\crossgen_roslyn.cmd" "$Stage2Dir"
+
+    # Copy dnx into stage 2
+    cp -rec "$DnxDir\*" "$Stage2Dir\bin\dnx\"
+
+    # Copy in the dotnet-restore script
+    cp "$PSScriptRoot\dotnet-restore.cmd" "$Stage2Dir\bin\dotnet-restore.cmd"
+
+    # Smoke test stage2
+    $env:PATH = "$Stage2Dir\bin;$StartPath"
+    $env:DOTNET_HOME = "$Stage2Dir"
+    & "$PSScriptRoot\test\smoke-test.ps1"
+} finally {
+    $env:PATH = $StartPath
+    $env:DOTNET_HOME = $StartDotNetHome
+}