--- libsrc/visualization/Makefile.am.orig	2016-04-21 10:59:46 UTC
+++ libsrc/visualization/Makefile.am
@@ -3,7 +3,7 @@ visual.hpp vssolution.hpp
 
 include_HEADERS = soldata.hpp
 
-AM_CPPFLAGS =  $(MPI_INCLUDES) -I$(top_srcdir)/libsrc/include  -DOPENGL -D$(TOGL_WINDOWINGSYSTEM) $(OCCFLAGS) $(TCL_INCLUDES)
+AM_CPPFLAGS =  $(MPI_INCLUDES) -I$(top_srcdir)/libsrc/include  -DOPENGL -D$(TOGL_WINDOWINGSYSTEM) $(OCCFLAGS) $(TCL_INCLUDES) $(TK_INCLUDES)
 METASOURCES = AUTO
 
 if NGGUI