--- ./configure.orig
+++ ./configure
@@ -17154,10 +17154,12 @@
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"
         gtk+-3.0
         gmodule-export-2.0
+	x11
     \""; } >&5
   ($PKG_CONFIG --exists --print-errors "
         gtk+-3.0
         gmodule-export-2.0
+	x11
     ") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
@@ -17165,6 +17167,7 @@
   pkg_cv_LIGHTDM_GTK_GREETER_CFLAGS=`$PKG_CONFIG --cflags "
         gtk+-3.0
         gmodule-export-2.0
+	x11
     " 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
@@ -17180,10 +17183,12 @@
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"
         gtk+-3.0
         gmodule-export-2.0
+	x11
     \""; } >&5
   ($PKG_CONFIG --exists --print-errors "
         gtk+-3.0
         gmodule-export-2.0
+	x11
     ") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
@@ -17191,6 +17196,7 @@
   pkg_cv_LIGHTDM_GTK_GREETER_LIBS=`$PKG_CONFIG --libs "
         gtk+-3.0
         gmodule-export-2.0
+	x11
     " 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
@@ -17215,11 +17221,13 @@
 	        LIGHTDM_GTK_GREETER_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "
         gtk+-3.0
         gmodule-export-2.0
+	x11
     " 2>&1`
         else
 	        LIGHTDM_GTK_GREETER_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "
         gtk+-3.0
         gmodule-export-2.0
+	x11
     " 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
@@ -17250,10 +17258,12 @@
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"
         gtk+-3.0
         gmodule-export-2.0
+	x11
     \""; } >&5
   ($PKG_CONFIG --exists --print-errors "
         gtk+-3.0
         gmodule-export-2.0
+	x11
     ") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
@@ -17261,6 +17271,7 @@
   pkg_cv_LIGHTDM_GTK_GREETER_CFLAGS=`$PKG_CONFIG --cflags "
         gtk+-3.0
         gmodule-export-2.0
+	x11
     " 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
@@ -17276,10 +17287,12 @@
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"
         gtk+-3.0
         gmodule-export-2.0
+	x11
     \""; } >&5
   ($PKG_CONFIG --exists --print-errors "
         gtk+-3.0
         gmodule-export-2.0
+	x11
     ") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
@@ -17287,6 +17300,7 @@
   pkg_cv_LIGHTDM_GTK_GREETER_LIBS=`$PKG_CONFIG --libs "
         gtk+-3.0
         gmodule-export-2.0
+	x11
     " 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
@@ -17311,11 +17325,13 @@
 	        LIGHTDM_GTK_GREETER_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "
         gtk+-3.0
         gmodule-export-2.0
+	x11
     " 2>&1`
         else
 	        LIGHTDM_GTK_GREETER_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "
         gtk+-3.0
         gmodule-export-2.0
+	x11
     " 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
@@ -17324,6 +17340,7 @@
 	as_fn_error $? "Package requirements (
         gtk+-3.0
         gmodule-export-2.0
+	x11
     ) were not met:
 
 $LIGHTDM_GTK_GREETER_PKG_ERRORS