--- wikisrc/pkgsrc/hardening.mdwn	2017/06/25 16:11:04	1.13
+++ wikisrc/pkgsrc/hardening.mdwn	2017/07/09 15:35:02	1.14
@@ -13,6 +13,8 @@ in `mk.conf`, and consist of:
   vulnerabilities more difficult in some cases.
 * `PKGSRC_USE_SSP`: enables stack-smashing protection (again, on supported
   platforms)
+* `PKGSRC_USE_STACK_CHECK`: uses `-fstack-check` with GCC for another stack
+  protection mitigation
 
 # Caveats