Restore Benchmark on Linux with netcoreapp1.1

.vscode/tasks.json

@@ -16,7 +16,7 @@
     {
       "taskName": "build benchmark",
       "suppressTaskName": true,
-      "args": [ "build", "tests/ImageSharp.Benchmarks/project.json", "-f", "netcoreapp1.1", "-c", "Release" ],
+      "args": [ "build", "tests/ImageSharp.Benchmarks/ImageSharp.Benchmarks.csproj", "-f", "netcoreapp1.1", "-c", "Release" ],
       "showOutput": "always",
       "problemMatcher": "$msCompile"
     },

tests/ImageSharp.Benchmarks/ImageSharp.Benchmarks.csproj

@@ -1,16 +1,26 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
+    <TargetFrameworks>netcoreapp1.1;net461</TargetFrameworks>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net461</TargetFramework>
-    <RuntimeIdentifier>win7-x64</RuntimeIdentifier>
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(TargetFramework)'=='net461'">
+    <RuntimeIdentifier>win7-x64</RuntimeIdentifier>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.10.2" />
     <PackageReference Include="Colourful" Version="1.1.2" />
     <PackageReference Include="System.Numerics.Vectors" Version="4.3.0" />
   </ItemGroup>
+  <ItemGroup Condition="'$(TargetFramework)'=='net461'">
+    <PackageReference Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.10.7" />
+  </ItemGroup>
+  <ItemGroup Condition="'$(TargetFramework)'=='netcoreapp1.1'">
+    <PackageReference Include="BenchmarkDotNet" Version="0.10.7" />
+    <PackageReference Include="System.Reflection" Version="4.3.0" />
+    <PackageReference Include="CoreCompat.System.Drawing" Version="1.0.0-beta006" />
+    <PackageReference Include="runtime.linux-x64.CoreCompat.System.Drawing" Version="1.0.0-beta009" />
+  </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\src\ImageSharp.Drawing\ImageSharp.Drawing.csproj" />
     <ProjectReference Include="..\..\src\ImageSharp\ImageSharp.csproj" />