--- gcc-master.orig/gcc/brig/brigspec.c	2020-06-05 23:56:44.228713127 +0100
+++ gcc-master/gcc/brig/brigspec.c	2020-06-12 10:01:08.069478987 +0100
@@ -134,3 +134,11 @@
 /* Number of extra output files that lang_specific_pre_link may generate.  */
 
 int lang_specific_extra_outfiles = 0; /* Not used for Brig.  */
+
+/* lang_register_spec_functions register the Brig associated spec
+   functions.  Not used for Brig.  */
+
+void
+lang_register_spec_functions (void)
+{
+}
