diff -Nur a/buildflags.mak b/buildflags.mak
--- a/buildflags.mak	2018-05-08 03:44:29.000000000 +0800
+++ b/buildflags.mak	2023-09-04 19:15:30.274937794 +0800
@@ -141,7 +141,7 @@
 #
 # feature test macros for drand48_r
 #
-BASECFLAGS += -D_DEFAULT_SOURCE -D_SVID_SOURCE -D_BSD_SOURCE
+BASECFLAGS += -D_DEFAULT_SOURCE -D_SVID_SOURCE -D_BSD_SOURCE -D_FORTIFY_SOURCE=2
 
 ifneq (,${HFI_BRAKE_DEBUG})
   BASECFLAGS += -DHFI_BRAKE_DEBUG