--- a/ApiExtractor/clangparser/compilersupport.cpp    2018-09-14 02:06:47.943717729 +0300
+++ b/ApiExtractor/clangparser/compilersupport.cpp    2018-09-14 02:07:38.327794194 +0300
@@ -284,7 +284,8 @@
         if (!candidate.isEmpty())
             return candidate + QStringLiteral("/include");
     }
-    return QString();
+    return QStringLiteral("/usr/lib/clang/6.0.1/include");
+//    return QString();
 }
 #endif // NEED_CLANG_BUILTIN_INCLUDES