diff --git a/libguile/gen-scmconfig.c b/libguile/gen-scmconfig.c
index e4465c05f..5f1351307 100644
--- a/libguile/gen-scmconfig.c
+++ b/libguile/gen-scmconfig.c
@@ -226,6 +226,12 @@ main (int argc, char *argv[])
     pf ("#define GUILE_DEBUG_FREELIST 1 /* defined or undefined */\n");
   else
     pf ("/* #undef GUILE_DEBUG_FREELIST */\n");
+
+  /*** SCM_ENABLE_DISCOURAGED (0 or 1) ***/
+  pf ("\n");
+  pf ("/* Set to 1 if you want to enable discouraged features. */\n");
+  pf ("/* (value will be 0 or 1). */\n");
+  pf ("#define SCM_ENABLE_DISCOURAGED %d\n", SCM_I_GSC_ENABLE_DISCOURAGED);
   
   /*** SCM_ENABLE_DEPRECATED (0 or 1) ***/
   pf ("\n");
diff --git a/libguile/gen-scmconfig.h.in b/libguile/gen-scmconfig.h.in
index f48288672..933aad375 100644
--- a/libguile/gen-scmconfig.h.in
+++ b/libguile/gen-scmconfig.h.in
@@ -8,6 +8,7 @@
 
 #define SCM_I_GSC_GUILE_DEBUG @SCM_I_GSC_GUILE_DEBUG@
 #define SCM_I_GSC_GUILE_DEBUG_FREELIST @SCM_I_GSC_GUILE_DEBUG_FREELIST@
+#define SCM_I_GSC_ENABLE_DISCOURAGED @SCM_I_GSC_ENABLE_DISCOURAGED@
 #define SCM_I_GSC_ENABLE_DEPRECATED @SCM_I_GSC_ENABLE_DEPRECATED@
 #define SCM_I_GSC_ENABLE_ELISP @SCM_I_GSC_ENABLE_ELISP@
 #define SCM_I_GSC_HAVE_ARRAYS @SCM_I_GSC_HAVE_ARRAYS@