diff -ru iup iup
--- iup.orig/Makefile	2014-11-13 19:54:23.000000000 +0100
+++ iup/Makefile	2015-02-04 17:07:38.715201000 +0100
@@ -11,6 +11,8 @@
 	@$(MAKE) --no-print-directory -C ./srccd/
 iupcontrols:
 	@$(MAKE) --no-print-directory -C ./srccontrols/
+iupmatrixex:
+	@$(MAKE) --no-print-directory -C ./srcmatrixex/
 iup_plot:
 	@$(MAKE) --no-print-directory -C ./srcplot/
 iup_pplot: