Add Mac platform

Source/Tools/Flax.Build/Platforms/Mac/MacPlatform.cs

@@ -0,0 +1,60 @@
+// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
+
+using Flax.Build.Projects;
+
+namespace Flax.Build.Platforms
+{
+    /// <summary>
+    /// The build platform for all Mac systems.
+    /// </summary>
+    /// <seealso cref="Platform" />
+    public sealed class MacPlatform : Platform
+    {
+        /// <inheritdoc />
+        public override TargetPlatform Target => TargetPlatform.Mac;
+
+        /// <inheritdoc />
+        public override bool HasRequiredSDKsInstalled { get; }
+
+        /// <inheritdoc />
+        public override bool HasSharedLibrarySupport => true;
+
+        /// <inheritdoc />
+        public override string ExecutableFileExtension => string.Empty;
+
+        /// <inheritdoc />
+        public override string SharedLibraryFileExtension => ".dylib";
+
+        /// <inheritdoc />
+        public override string StaticLibraryFileExtension => ".a";
+
+        /// <inheritdoc />
+        public override string ProgramDatabaseFileExtension => ".dSYM";
+
+        /// <inheritdoc />
+        public override string SharedLibraryFilePrefix => string.Empty;
+
+        /// <inheritdoc />
+        public override string StaticLibraryFilePrefix => "lib";
+
+        /// <inheritdoc />
+        public override ProjectFormat DefaultProjectFormat => ProjectFormat.XCode;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Flax.Build.Platforms.MacPlatform"/> class.
+        /// </summary>
+        public MacPlatform()
+        {
+            if (Platform.BuildTargetPlatform != TargetPlatform.Mac)
+                return;
+
+            throw new System.NotImplementedException("TODO: detect MacSDK installation");
+        }
+
+        /// <inheritdoc />
+        protected override Toolchain CreateToolchain(TargetArchitecture architecture)
+        {
+            return new MacToolchain(this, architecture);
+        }
+    }
+}