Use -r instead of -x to test for existence of libs - since the permissions

are not always 755.
Thanks to "G�bor Lipt�k" <gliptak@hotmail.com> for poiting this out.

config/mkdetect/detect_motif.sh

@@ -577,7 +577,7 @@ for d in $MOTIF_SEARCH_PATH
 do
 	for l in $MOTIF_DYNAMIC_SEARCH_PATH
 	do
-		if [ -x $d/lib/$l ]
+		if [ -r $d/lib/$l ]
 		then
 			MOTIF_DYNAMIC_DIR=$d/lib
 

config/mkdetect/detect_x11.sh

@@ -502,7 +502,7 @@ for d in $X11_SEARCH_PATH
 do
 	for l in $X11_DYNAMIC_SEARCH_PATH
 	do
-		if [ -x $d/lib/$l ]
+		if [ -r $d/lib/$l ]
 		then
 			X11_DYNAMIC_DIR=$d/lib