Last issue wasn't gcc/CLang after all, but the lexer not getting built.

CMakeModules/TokenList2DsnLexer.cmake

@@ -346,6 +346,15 @@ public:
     {
         return (${enum}::T) DSNLEXER::PrevTok();
     }
+
+    /**
+     * Function GetCurStrAsToken
+     * Used to support 'loose' matches (quoted tokens)
+     */
+    ${enum}::T GetCurStrAsToken()
+    {
+        return (${enum}::T) DSNLEXER::GetCurStrAsToken();
+    }
 };
 
 // example usage

common/drc_rules.keywords

@@ -5,6 +5,7 @@ clearance
 condition
 constraint
 disallow
+dummy
 footprint
 graphic
 hole

include/dsnlexer.h

@@ -331,6 +331,15 @@ public:
         return prevTok;
     }
 
+    /**
+     * Function GetCurStrAsToken
+     * Used to support "loose" matches (quoted tokens)
+     */
+    int GetCurStrAsToken()
+    {
+        return findToken( curText );
+    }
+
     //-----</overload return values to tokens>-----------------------------