Display.c: In function ‘nxagentInitAndCheckVisuals’:
Display.c:2273:10: warning: declaration of ‘matched’ shadows a previous local [-Wshadow=compatible-local]
     bool matched = false;
          ^~~~~~~
Display.c:2258:8: note: shadowed declaration is here
   bool matched;
        ^~~~~~~
Display.c:2258:8: warning: unused variable ‘matched’ [-Wunused-variable]