Add option for using Address and Thread sanitizers

Source/Tools/Flax.Build/Build/NativeCpp/CompileEnvironment.cs

@@ -26,6 +26,28 @@ namespace Flax.Build.NativeCpp
         SmallCode
     }
 
+    /// <summary>
+    /// The code sanitizers for core errors detection by compiler-supported checks.
+    /// </summary>
+    [Flags]
+    public enum Sanitizer
+    {
+        /// <summary>
+        /// No sanitizers in use.
+        /// </summary>
+        None = 0,
+
+        /// <summary>
+        /// Memory errors detector,
+        /// </summary>
+        Address = 1,
+
+        /// <summary>
+        /// Data races and deadlocks detector.
+        /// </summary>
+        Thread = 2,
+    }
+
     /// <summary>
     /// The compilation optimization hint.
     /// </summary>
@@ -67,6 +89,11 @@ namespace Flax.Build.NativeCpp
         /// </summary>
         public FavorSizeOrSpeed FavorSizeOrSpeed = FavorSizeOrSpeed.Neither;
 
+        /// <summary>
+        /// Selects a sanitizers to use (as flags).
+        /// </summary>
+        public Sanitizer Sanitizers = Sanitizer.None;
+
         /// <summary>
         /// Enables exceptions support.
         /// </summary>
@@ -184,6 +211,7 @@ namespace Flax.Build.NativeCpp
             {
                 CppVersion = CppVersion,
                 FavorSizeOrSpeed = FavorSizeOrSpeed,
+                Sanitizers = Sanitizers,
                 EnableExceptions = EnableExceptions,
                 RuntimeTypeInfo = RuntimeTypeInfo,
                 Inlining = Inlining,

Source/Tools/Flax.Build/Build/Target.cs

@@ -249,6 +249,7 @@ namespace Flax.Build
             }
 
             options.CompileEnv.EnableExceptions = true; // TODO: try to disable this!
+            options.CompileEnv.Sanitizers = Configuration.Sanitizers;
             switch (options.Configuration)
             {
             case TargetConfiguration.Debug:

Source/Tools/Flax.Build/Build/Toolchain.cs

@@ -182,5 +182,18 @@ namespace Flax.Build
             }
             return true;
         }
+
+        /// <summary>
+        /// Utility that outputs the arguments for Clang with specific sanitizer.
+        /// </summary>
+        /// <param name="options">The sanitizers as flags.</param>
+        /// <param name="options">The arguments list.</param>
+        protected void AddClangSanitizerArgs(Sanitizer sanitizers, List<string> args)
+        {
+            if (sanitizers.HasFlag(Sanitizer.Address))
+                args.Add("-fsanitize=address");
+            if (sanitizers.HasFlag(Sanitizer.Thread))
+                args.Add("-fsanitize=thread");
+        }
     }
 }