[build] Set $(TargetFrameworkRootPath)

Configuration.props

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <!--
+    Note: This file *must* be imported *after* `$(Configuration)` is set.
+    -->
   <Import
       Project="$(MSBuildThisFileDirectory)Configuration.Override.props"
       Condition="Exists('$(MSBuildThisFileDirectory)Configuration.Override.props')"
@@ -11,6 +14,7 @@
     <HostCc Condition=" '$(HostCc)' == '' ">cc</HostCc>
     <HostCxx Condition=" '$(HostCxx)' == '' ">c++</HostCxx>
     <ManagedRuntime Condition=" '$(ManagedRuntime)' == '' And '$(OS)' != 'Windows_NT' ">mono</ManagedRuntime>
+    <TargetFrameworkRootPath>$(MSBuildThisFileDirectory)bin\$(Configuration)\lib\xbuild-frameworks</TargetFrameworkRootPath>
     <HOME Condition=" '$(HOME)' == '' ">$(HOMEDRIVE)$(HOMEPATH)</HOME>
     <AndroidApiLevel Condition=" '$(AndroidApiLevel)' == '' ">23</AndroidApiLevel>
     <AndroidFrameworkVersion Condition=" '$(AndroidFrameworkVersion)' == '' ">v6.0</AndroidFrameworkVersion>

src/Mono.Android/Test/Mono.Android-Tests.csproj

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\..\..\Configuration.props" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -17,7 +16,10 @@
     <MonoAndroidAssetsPrefix>Assets</MonoAndroidAssetsPrefix>
     <AssemblyName>Mono.Android-Tests</AssemblyName>
     <AndroidManifest>Properties\AndroidManifest.xml</AndroidManifest>
-    <TargetFrameworkVersion>v4.2</TargetFrameworkVersion>
+  </PropertyGroup>
+  <Import Project="..\..\..\Configuration.props" />
+  <PropertyGroup>
+    <TargetFrameworkVersion>$(AndroidFrameworkVersion)</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>

src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/Xamarin.Android.Build.Tests.csproj

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\..\..\..\Configuration.props" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -10,6 +9,7 @@
     <AssemblyName>Xamarin.Android.Build.Tests</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
+  <Import Project="..\..\..\..\Configuration.props" />
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
     <DebugType>full</DebugType>

src/Xamarin.Android.Build.Tasks/Tests/Xamarin.ProjectTools/Xamarin.ProjectTools.csproj

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\..\..\..\Configuration.props" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -10,6 +9,7 @@
     <AssemblyName>Xamarin.ProjectTools</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
+  <Import Project="..\..\..\..\Configuration.props" />
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
     <DebugType>full</DebugType>

src/Xamarin.Android.Build.Tasks/Xamarin.Android.Build.Tasks.csproj

@@ -2,7 +2,6 @@
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="..\..\external\Java.Interop\src\Xamarin.Android.NamingCustomAttributes\Xamarin.Android.NamingCustomAttributes.projitems" Label="Shared" Condition="Exists('..\..\external\Java.Interop\src\Xamarin.Android.NamingCustomAttributes\Xamarin.Android.NamingCustomAttributes.projitems')" />
   <Import Project="..\..\external\Java.Interop\src\Java.Interop.Tools.TypeNameMappings\Java.Interop.Tools.TypeNameMappings.projitems" Label="Shared" Condition="Exists('..\..\external\Java.Interop\src\Java.Interop.Tools.TypeNameMappings\Java.Interop.Tools.TypeNameMappings.projitems')" />
-  <Import Project="..\..\Configuration.props" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -14,6 +13,7 @@
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
+  <Import Project="..\..\Configuration.props" />
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>True</DebugSymbols>
     <DebugType>full</DebugType>

tools/api-xml-adjuster/api-xml-adjuster.csproj

@@ -9,6 +9,7 @@
     <AssemblyName>api-xml-adjuster</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
+  <Import Project="..\..\Configuration.props" />
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
     <DebugType>full</DebugType>