Improve build

This swaps the workaround for Mono for a
real targeting pack.

Author: craigfowler

CSF.Entities/CSF.Entities.csproj

@@ -35,7 +35,9 @@
     <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
   </PropertyGroup>
 
-  <Import Project="..\Tools\EnableNet45BuildOnUnix.targets" />
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0" PrivateAssets="All" Condition="'$(TargetFramework.TrimEnd(`0123456789`))' == 'net'" />
+  </ItemGroup>
 
   <ItemGroup>
     <EmbeddedResource Condition=" '$(EnableDefaultEmbeddedResourceItems)' == 'true' " Update="Resources\ExceptionMessages.resx">

CSF.ORM.Entities/CSF.ORM.Entities.csproj

@@ -25,7 +25,9 @@
     <RootNamespace>CSF.ORM</RootNamespace>
   </PropertyGroup>
 
-  <Import Project="..\Tools\EnableNet45BuildOnUnix.targets" />
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0" PrivateAssets="All" Condition="'$(TargetFramework.TrimEnd(`0123456789`))' == 'net'" />
+  </ItemGroup>
 
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DocumentationFile>bin\$(Configuration)\$(TargetFramework)\CSF.ORM.Entities.xml</DocumentationFile>

CSF.ORM.NHibernate.Common/CSF.ORM.NHibernate.Common.csproj

@@ -30,7 +30,9 @@
     <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
   </PropertyGroup>
 
-  <Import Project="..\Tools\EnableNet45BuildOnUnix.targets" />
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0" PrivateAssets="All" Condition="'$(TargetFramework.TrimEnd(`0123456789`))' == 'net'" />
+  </ItemGroup>
 
   <ItemGroup>
     <Reference Include="System.Runtime" Condition="$(TargetFramework.StartsWith('net4'))" />

CSF.ORM.NHibernate4/CSF.ORM.NHibernate4.csproj

@@ -39,7 +39,9 @@
     <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
   </PropertyGroup>
 
-  <Import Project="..\Tools\EnableNet45BuildOnUnix.targets" />
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0" PrivateAssets="All" Condition="'$(TargetFramework.TrimEnd(`0123456789`))' == 'net'" />
+  </ItemGroup>
 
   <ItemGroup>
     <EmbeddedResource Condition=" '$(EnableDefaultEmbeddedResourceItems)' == 'true' " Update="Resources\ExceptionMessages.resx">

CSF.ORM.NHibernate5/CSF.ORM.NHibernate5.csproj

@@ -39,7 +39,9 @@
     <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
   </PropertyGroup>
 
-  <Import Project="..\Tools\EnableNet45BuildOnUnix.targets" />
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0" PrivateAssets="All" Condition="'$(TargetFramework.TrimEnd(`0123456789`))' == 'net'" />
+  </ItemGroup>
 
   <ItemGroup>
     <EmbeddedResource Condition=" '$(EnableDefaultEmbeddedResourceItems)' == 'true' " Update="Resources\ExceptionMessages.resx">

CSF.ORM/CSF.ORM.csproj

@@ -23,7 +23,9 @@
     <AssemblyOriginatorKeyFile>..\CSF-Software-OSS.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
-  <Import Project="..\Tools\EnableNet45BuildOnUnix.targets" />
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0" PrivateAssets="All" Condition="'$(TargetFramework.TrimEnd(`0123456789`))' == 'net'" />
+  </ItemGroup>
 
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DocumentationFile>bin\$(Configuration)\$(TargetFramework)\CSF.ORM.xml</DocumentationFile>

Tests/CSF.PersistenceTester.IntegrationTests/CSF.PersistenceTester.IntegrationTests.csproj

@@ -60,5 +60,7 @@
       <LogicalName>CreateSchema.sql</LogicalName>
     </EmbeddedResource>
   </ItemGroup>
-  <Import Project="..\..\Tools\EnableNet45BuildOnUnix.targets" />
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0" PrivateAssets="All" Condition="'$(TargetFramework.TrimEnd(`0123456789`))' == 'net'" />
+  </ItemGroup>
 </Project>