--- nono/configure	2026/04/29 17:05:11	1.1.1.11
+++ nono/configure	2026/04/29 17:05:15	1.1.1.12
@@ -4767,6 +4767,35 @@ rm -f core conftest.err conftest.$ac_obj
 
 fi
 
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether c++ accepts -Wsuggest-override" >&5
+printf %s "checking whether c++ accepts -Wsuggest-override... " >&6; }
+	old_CXXFLAGS="${CXXFLAGS}"
+	CXXFLAGS="${CXXFLAGS} -Werror -Wsuggest-override"
+	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		eval `echo cxx_has-Wsuggest-override=yes | sed -e 's/-/_/g'`
+		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wsuggest-override"
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+	CXXFLAGS="${old_CXXFLAGS}"
+
+
 	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether c++ accepts -Wvla-extension" >&5
 printf %s "checking whether c++ accepts -Wvla-extension... " >&6; }
 	old_CXXFLAGS="${CXXFLAGS}"
@@ -6531,7 +6560,7 @@ else $as_nop
 
 fi
 
-ac_config_files="$ac_config_files Makefile.cfg host/Makefile wx/Makefile util/mkcgrom/Makefile util/viewcgrom/Makefile"
+ac_config_files="$ac_config_files Makefile.cfg host/Makefile wx/Makefile util/viewcgrom/Makefile"
 
 ac_config_headers="$ac_config_headers config-nono.h"
 
@@ -7223,7 +7252,6 @@ do
     "Makefile.cfg") CONFIG_FILES="$CONFIG_FILES Makefile.cfg" ;;
     "host/Makefile") CONFIG_FILES="$CONFIG_FILES host/Makefile" ;;
     "wx/Makefile") CONFIG_FILES="$CONFIG_FILES wx/Makefile" ;;
-    "util/mkcgrom/Makefile") CONFIG_FILES="$CONFIG_FILES util/mkcgrom/Makefile" ;;
     "util/viewcgrom/Makefile") CONFIG_FILES="$CONFIG_FILES util/viewcgrom/Makefile" ;;
     "config-nono.h") CONFIG_HEADERS="$CONFIG_HEADERS config-nono.h" ;;