diff --git a/src/gf/gf.c b/src/gf/gf.c
index 9a0e05e6a..543f21ce4 100644
--- a/src/gf/gf.c
+++ b/src/gf/gf.c
@@ -16,8 +16,12 @@
 /***************************************************************************/
 
 
+#define FT_MAKE_OPTION_SINGLE_OBJECT
 
 #include <ft2build.h>
 
+#include "gflib.c"
+#include "gfdrivr.c"
+
 
 /* END */