diff -r -U1 gsl-shell.orig/Makefile gsl-shell/Makefile
--- gsl-shell.orig/Makefile	2012-09-21 19:54:05.000000000 +0700
+++ gsl-shell/Makefile	2012-09-21 19:53:37.000000000 +0700
@@ -29,3 +29,2 @@
 GSL_SHELL = gsl-shell$(EXE_EXT)
-GSL_SHELL_GUI = gsl-shell-gui$(EXE_EXT)
 LUA_CFLAGS = -I$(LUADIR)/src
@@ -73,4 +72,3 @@
 INCLUDES += $(PTHREADS_CFLAGS) -Iagg-plot
-GUI_SUBDIR = fox-gui
-SUBDIRS += agg-plot $(GUI_SUBDIR)
+SUBDIRS += agg-plot
 LUAGSL_LIBS += agg-plot/libaggplot.a
@@ -105,6 +103,5 @@
 
-install: $(GSL_SHELL) $(GUI_SUBDIR)
+install: $(GSL_SHELL)
 	mkdir -p $(INSTALL_BIN_DIR)
 	cp $(GSL_SHELL) $(INSTALL_BIN_DIR)
-	cp fox-gui/$(GSL_SHELL_GUI) $(INSTALL_BIN_DIR)
 	mkdir -p $(INSTALL_LIB_DIR)
@@ -122,3 +119,2 @@
 	$(MAKE) -C $(LUADIR) clean
-	$(MAKE) -C fox-gui clean
 	$(HOST_RM) *.o $(TARGETS)