1 files changed, 8 insertions, 0 deletions
diff --git a/ffi.c b/ffi.c
index 4c03ba6..4c2148a 100644
--- a/ffi.c
+++ b/ffi.c
@@ -1442,6 +1442,14 @@ ffi_init (scheme *sc, const char *argv0, const char *scriptname,
 #endif
               );
 
+  ffi_define (sc, "*maintainer-mode*",
+#if MAINTAINER_MODE
+              sc->T
+#else
+              sc->F
+#endif
+              );
+
 
   ffi_define (sc, "*stdin*",
               sc->vptr->mk_port_from_file (sc, stdin, port_input));