Merge pull request #1653 from player-03/lime.ndll-error-message

Improve "Could not find NekoAPI interface" message.

src/lime/system/CFFI.hx

@@ -279,9 +279,14 @@ class CFFI
 	{
 		if (!__loadedNekoAPI)
 		{
+			var init:Dynamic = null;
 			try
 			{
-				var init = load("lime", "neko_init", 5);
+				init = load("lime", "neko_init", 5);
+			}
+			catch (e:Dynamic)
+			{
+			}
 
 			if (init != null)
 			{
@@ -292,22 +297,18 @@ class CFFI
 					if (len > 0) r[len - 1] = null;
 					return r;
 				}, null, true, false);
+
+				__loadedNekoAPI = true;
 			}
 			else if (!lazy)
 			{
-					throw("Could not find NekoAPI interface.");
+				var ndllFolder = __findHaxelib("lime") + "/ndll/" + __sysName();
+				throw "Could not find lime.ndll. This file is provided with Lime's Haxelib releases, but not via Git. "
+					+ "Please copy it from Lime's latest Haxelib release into either "
+					+ ndllFolder + " or " + ndllFolder + "64, as appropriate for your system. "
+					+ "Advanced users may run `lime rebuild cpp` instead.";
 			}
 		}
-			catch (e:Dynamic)
-			{
-				if (!lazy)
-				{
-					throw("Could not find NekoAPI interface.");
-				}
-			}
-
-			__loadedNekoAPI = true;
-		}
 	}
 	#end