gfio: start of splitting up the source a bit

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/Makefile b/Makefile
index 4a9e718..a114a2e 100644
--- a/Makefile
+++ b/Makefile
@@ -69,7 +69,7 @@
 
 OBJS = $(SOURCE:.c=.o)
 FIO_OBJS = $(OBJS) fio.o
-GFIO_OBJS = $(OBJS) gfio.o graph.o tickmarks.o
+GFIO_OBJS = $(OBJS) gfio.o graph.o tickmarks.o ghelpers.o
 
 T_SMALLOC_OBJS = t/stest.o
 T_SMALLOC_OBJS += mutex.o smalloc.o t/log.o
@@ -104,10 +104,13 @@
 .c.o: .depend
 	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $(CPPFLAGS) $<
 
-gfio.o: gfio.c
+ghelpers.o: ghelpers.c ghelpers.h
+	$(QUIET_CC)$(CC) $(CFLAGS) $(GTK_CFLAGS) $(CPPFLAGS) -c ghelpers.c
+
+gfio.o: gfio.c ghelpers.c
 	$(QUIET_CC)$(CC) $(CFLAGS) $(GTK_CFLAGS) $(CPPFLAGS) -c gfio.c
 
-graph.o:	graph.c graph.h
+graph.o: graph.c graph.h
 	$(QUIET_CC)$(CC) $(CFLAGS) $(GTK_CFLAGS) $(CPPFLAGS) -c graph.c
 
 t/stest: $(T_SMALLOC_OBJS)