From 92a1a608831ce1b68967ba43f0819274e0742638 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Sim=C3=B5es?= <jose.simoes@eclo.solutions>
Date: Tue, 23 Apr 2019 09:08:33 +0100
Subject: [PATCH] Add AssemblyNativeVersionAttribute
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: José Simões <jose.simoes@eclo.solutions>
---
 .../CoreLibrary.nfproj                        |  3 ++
 .../System/AssemblyInfo2.cs                   |  3 ++
 .../System/Reflection/AssemblyAttributes.cs   | 33 +++++++++++++++++++
 3 files changed, 39 insertions(+)

diff --git a/source/nanoFramework.CoreLibrary/CoreLibrary.nfproj b/source/nanoFramework.CoreLibrary/CoreLibrary.nfproj
index 4b945850..f32172ef 100644
--- a/source/nanoFramework.CoreLibrary/CoreLibrary.nfproj
+++ b/source/nanoFramework.CoreLibrary/CoreLibrary.nfproj
@@ -313,6 +313,9 @@
     <NFMDP_PE_ExcludeClassByName Include="System.Reflection.AssemblyVersionAttribute">
       <InProject>false</InProject>
     </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="System.Reflection.AssemblyNativeVersionAttribute">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
     <NFMDP_PE_ExcludeClassByName Include="System.Reflection.DefaultMemberAttribute">
       <InProject>false</InProject>
     </NFMDP_PE_ExcludeClassByName>
diff --git a/source/nanoFramework.CoreLibrary/System/AssemblyInfo2.cs b/source/nanoFramework.CoreLibrary/System/AssemblyInfo2.cs
index e1a1bda9..009f1b41 100644
--- a/source/nanoFramework.CoreLibrary/System/AssemblyInfo2.cs
+++ b/source/nanoFramework.CoreLibrary/System/AssemblyInfo2.cs
@@ -6,9 +6,12 @@
 
 using System;
 using System.Reflection;
+using System.Runtime.CompilerServices;
 
 [assembly: CLSCompliant(true)]
 [assembly: AssemblyTitle("mscorlib")]
 [assembly: AssemblyCompany("nanoFramework Contributors")]
 [assembly: AssemblyProduct("nanoFramework mscorlib")]
 [assembly: AssemblyCopyright("Copyright © nanoFramework Contributors 2017")]
+
+[assembly: AssemblyNativeVersion("1.1.1.")]
diff --git a/source/nanoFramework.CoreLibrary/System/Reflection/AssemblyAttributes.cs b/source/nanoFramework.CoreLibrary/System/Reflection/AssemblyAttributes.cs
index a6ffadf8..1186bdb6 100644
--- a/source/nanoFramework.CoreLibrary/System/Reflection/AssemblyAttributes.cs
+++ b/source/nanoFramework.CoreLibrary/System/Reflection/AssemblyAttributes.cs
@@ -226,4 +226,37 @@ public String Version
             get { return _version; }
         }
     }
+
+    /// <summary>
+    /// Defines the required native version required for an assembly.
+    /// At deploy time this is used to check if the target device has the correct native version to support this assembly.
+    /// </summary>
+    /// <remarks>
+    /// This attribute is specific of nanoFramework.
+    /// </remarks>
+    [AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class, Inherited = false)]
+    public sealed class AssemblyNativeVersionAttribute : Attribute
+    {
+        private readonly String _nativeVersion;
+
+        /// <summary>
+        /// Initializes a new instance of the AssemblyNativeVersionAttribute class.
+        /// </summary>
+        /// <param name="version">The native version required for the assembly.</param>
+        public AssemblyNativeVersionAttribute(String version)
+        {
+            _nativeVersion = version;
+        }
+
+        /// <summary>
+        /// Gets the native version required for the assembly.
+        /// </summary>
+        /// <value>
+        /// A string containing the native version.
+        /// </value>
+        public String NativeVersion
+        {
+            get { return _nativeVersion; }
+        }
+    }
 }