Hide exception when build errors occurs in referenced targets

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

@@ -628,8 +628,11 @@ namespace Flax.Build
                         }
                     }
                     if (failed)
+                    {
+                        Globals.BuildErrors = true;
                         throw new Exception($"Failed to build target {target.Name}. See log.");
                     }
+                }
                 else
                 {
                     Log.Verbose($"Skipping build for target {target.Name}");
@@ -689,8 +692,11 @@ namespace Flax.Build
                         }
                     }
                     if (failed)
+                    {
+                        Globals.BuildErrors = true;
                         throw new Exception($"Failed to build target {target.Name}. See log.");
                     }
+                }
                 else
                 {
                     Log.Verbose($"Skipping build for target {target.Name}");

Source/Tools/Flax.Build/Globals.cs

@@ -22,6 +22,11 @@ namespace Flax.Build
         /// </summary>
         public static ProjectInfo Project;
 
+        /// <summary>
+        /// Set when any build related errors were raised.
+        /// </summary>
+        public static bool BuildErrors = false;
+
         /// <summary>
         /// All platforms array.
         /// </summary>

Source/Tools/Flax.Build/Program.cs

@@ -171,6 +171,8 @@ namespace Flax.Build
             }
             catch (Exception ex)
             {
+                // Ignore exception logging for build errors
+                if (!Globals.BuildErrors)
                     Log.Exception(ex);
                 failed = true;
             }