diff --git a/configure b/configure
index 73a592d8da..dc56f84cd5 100755
--- a/configure
+++ b/configure
@@ -3910,7 +3910,7 @@ int main(void) {
   (void) DPMSQueryExtension(0, 0, 0);
 }
 EOF
-  cc_check && _xdpms4=yes
+  cc_check -lXext && _xdpms4=yes
 fi
 if test "$_xdpms4" = yes ; then
   _def_xdpms='#define HAVE_XDPMS 1'
@@ -7163,7 +7163,7 @@ int main(void) {
   return exitvar;
 }
 EOF
-    cc_check && _xshape=yes
+    cc_check "-lXext" && _xshape=yes
   fi
   if test "$_xshape" = yes ; then
     _def_xshape='#define HAVE_XSHAPE 1'