added dependency handling to Makefiles

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11149 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/widgets/Makefile.in

@@ -15,17 +15,29 @@ program_dir = samples/widgets
 
 PROGRAM=widgets
 
-OBJECTS=button.o \
-        combobox.o \
-        gauge.o \
-        listbox.o \
-        notebook.o \
-        radiobox.o \
-        slider.o \
-        spinbtn.o \
-        static.o \
-        textctrl.o \
-        widgets.o
+OBJECTS =button.o \
+         combobox.o \
+         gauge.o \
+         listbox.o \
+         notebook.o \
+         radiobox.o \
+         slider.o \
+         spinbtn.o \
+         static.o \
+         textctrl.o \
+         widgets.o
+DEPFILES=button.d \
+         combobox.d \
+         gauge.d \
+         listbox.d \
+         notebook.d \
+         radiobox.d \
+         slider.d \
+         spinbtn.d \
+         static.d \
+         textctrl.d \
+         widgets.d
 
 include ../../src/makeprog.env
 
+-include $(DEPFILES)