--- libsrc/visualization/Makefile.in.orig	2016-04-21 11:00:04 UTC
+++ libsrc/visualization/Makefile.in
@@ -275,7 +275,7 @@ noinst_HEADERS = meshdoc.hpp mvdraw.hpp 
 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
 @NGGUI_TRUE@noinst_LTLIBRARIES = libvisual.la
 libvisual_la_SOURCES = meshdoc.cpp mvdraw.cpp \