Add build targets for mono and legacy MSBuild (pre-PackageReference).

Also, rename native lib back to cimgui.dylib.

src/ImGui.NET.SampleProgram.XNA/ImGui.NET.SampleProgram.XNA.csproj

@@ -15,8 +15,10 @@
 
     <ItemGroup>
         <Content Include="$(RepositoryRootDirectory)/deps/cimgui/win-x64/cimgui.dll" CopyToOutputDirectory="PreserveNewest" />
-        <Content Include="$(RepositoryRootDirectory)/deps/cimgui/osx-x64/libcimgui.dylib" CopyToOutputDirectory="PreserveNewest" />
-        <Content Include="$(RepositoryRootDirectory)/deps/cimgui/linux-x64/cimgui.so" CopyToOutputDirectory="PreserveNewest" />
+        <Content Include="$(RepositoryRootDirectory)/deps/cimgui/osx-x64/cimgui.dylib" CopyToOutputDirectory="PreserveNewest"
+                 Link="lib%(Filename)%(Extension)" />
+        <Content Include="$(RepositoryRootDirectory)/deps/cimgui/linux-x64/cimgui.so" CopyToOutputDirectory="PreserveNewest"
+                 Link="lib%(Filename)%(Extension)" />
     </ItemGroup>
 
     <ItemGroup>

src/ImGui.NET/ImGui.NET.csproj

@@ -30,11 +30,15 @@
       <Pack>true</Pack>
     </Content>
     <Content Include="..\..\deps\cimgui\linux-x64\cimgui.so">
-      <PackagePath>runtimes/linux-x64/native</PackagePath>
+      <PackagePath>runtimes/linux-x64/native/libcimgui.so</PackagePath>
       <Pack>true</Pack>
     </Content>
-    <Content Include="..\..\deps\cimgui\osx-x64\libcimgui.dylib">
-      <PackagePath>runtimes/osx-x64/native</PackagePath>
+    <Content Include="..\..\deps\cimgui\osx-x64\cimgui.dylib">
+      <PackagePath>runtimes/osx-x64/native/libcimgui.dylib</PackagePath>
+      <Pack>true</Pack>
+    </Content>
+    <Content Include="build\net40\ImGui.NET.targets">
+      <PackagePath>build/net40/ImGui.NET.targets</PackagePath>
       <Pack>true</Pack>
     </Content>
   </ItemGroup>

src/ImGui.NET/build/net40/ImGui.NET.targets

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <_IsWindows Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Windows)))' == 'true'">true</_IsWindows>
+    <_IsMacOS Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::OSX)))' == 'true'">true</_IsMacOS>
+    <_IsLinux Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true'">true</_IsLinux>
+
+    <_NativeRuntime Condition=" '$(_NativeRuntime)' == '' And '$(_IsMacOS)' == 'true' And ('$(Prefer32Bit)' == 'false' Or '$(PlatformTarget)' == 'x64')">osx-x64</_NativeRuntime>
+    <_NativeRuntime Condition=" '$(_NativeRuntime)' == '' And '$(_IsLinux)' == 'true' And ('$(Prefer32Bit)' == 'false' Or '$(PlatformTarget)' == 'x64')">linux-x64</_NativeRuntime>
+    <_NativeRuntime Condition=" '$(_NativeRuntime)' == '' And '$(_IsWindows)' == 'true' And ('$(Prefer32Bit)' == 'true' Or '$(PlatformTarget)' == 'x86')">win-x86</_NativeRuntime>
+    <_NativeRuntime Condition=" '$(_NativeRuntime)' == '' And '$(_IsWindows)' == 'true' And ('$(Prefer32Bit)' == 'false' Or '$(PlatformTarget)' == 'x64')">win-x64</_NativeRuntime>
+
+    <_NativeLibName Condition="'$(_NativeRuntime)' == 'win-x86' Or '$(_NativeRuntime)' == 'win-x64'">cimgui.dll</_NativeLibName>
+    <_NativeLibName Condition="'$(_NativeRuntime)' == 'osx-x64'">libcimgui.dylib</_NativeLibName>
+    <_NativeLibName Condition="'$(_NativeRuntime)' == 'linux-x64'">libcimgui.so</_NativeLibName>
+  </PropertyGroup>
+  <ItemGroup>
+    <Content Condition="'$(_NativeRuntime)' != ''" Include="$(MSBuildThisFileDirectory)..\..\runtimes\$(_NativeRuntime)\native\$(_NativeLibName)">
+      <Link>%(Filename)%(Extension)</Link>
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      <Visible>False</Visible>
+    </Content>
+  </ItemGroup>
+</Project>