build osx lua

premake4.lua

@@ -2,9 +2,11 @@ project "ocgcore"
     kind "StaticLib"
 
     files { "**.cc", "**.cpp", "**.c", "**.h" }
-    configuration { "windows", "macosx" }
+    configuration "windows"
         includedirs { "../lua" }
     configuration "not vs*"
         buildoptions { "-std=c++14" }
     configuration "linux"
         includedirs { "/usr/include/lua5.3" }
+    configuration "macosx" 
+        includedirs { "../lua" }