From c5ca8b51f9151d24fd70686599b049749139e023 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Sun, 17 Sep 2017 19:20:48 -0400
Subject: [PATCH] zig build: use stack protector for C code in debug mode

---
 std/build.zig | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/std/build.zig b/std/build.zig
index 9b5c61c8f..b91236d45 100644
--- a/std/build.zig
+++ b/std/build.zig
@@ -1343,7 +1343,11 @@ pub const CLibExeObjStep = struct {
             %%args.append("-g");
         }
         switch (self.build_mode) {
-            builtin.Mode.Debug => {},
+            builtin.Mode.Debug => {
+                %%args.append("-fstack-protector-strong");
+                %%args.append("--param");
+                %%args.append("ssp-buffer-size=4");
+            },
             builtin.Mode.ReleaseSafe => {
                 %%args.append("-O2");
                 %%args.append("-D_FORTIFY_SOURCE=2");