diff --git a/rtems/config/tools/rtems-gdb-7.12-1.cfg b/rtems/config/tools/rtems-gdb-7.12-1.cfg
index 2becf84..ab557aa 100644
--- a/rtems/config/tools/rtems-gdb-7.12-1.cfg
+++ b/rtems/config/tools/rtems-gdb-7.12-1.cfg
@@ -30,6 +30,11 @@
  %hash sha256 PATCH_Define_an_error_function_in_the_PPC_simulator 26a39e952a5427207f4dc76beececbd72eaeb9ab85f984e53457df309767998c
 %endif
 
+%if %{_build_os} == darwin
+ %patch add gdb --rsb-file=PATCH_Define_an_error_function_in_the_PPC_simulator https://sourceware.org/cgi-bin/get-raw-msg?listname=gdb-patches&date=2016-11&msgid=20161124152917.52189-1-jhb%40FreeBSD.org
+ %hash sha256 PATCH_Define_an_error_function_in_the_PPC_simulator 26a39e952a5427207f4dc76beececbd72eaeb9ab85f984e53457df309767998c
+%endif
+
 #
 # The gdb build instructions. We use 7.xx Release 1.
 #