--- libgo/Makefile.am.orig	2020-03-04 19:30:03.000000000 +1100
+++ libgo/Makefile.am	2020-09-07 23:06:00.399288000 +1000
@@ -420,6 +420,9 @@
 if LIBGO_IS_SOLARIS
 runtime_getncpu_file = runtime/getncpu-solaris.c
 else
+if LIBGO_IS_BSDSUNIX
+runtime_getncpu_file = runtime/getncpu-bsd.c
+else
 if LIBGO_IS_FREEBSD
 runtime_getncpu_file = runtime/getncpu-bsd.c
 else
@@ -437,6 +440,7 @@
 endif
 endif
 endif
+endif
 
 runtime_files = \
 	runtime/aeshash.c \