From d20174ad881ab98291c4d1733ca8ec92811abbdc Mon Sep 17 00:00:00 2001
From: lithdew <kenta@lithdew.net>
Date: Sat, 26 Dec 2020 15:31:02 +0900
Subject: [PATCH] builder: implement sanitize_thread option

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

diff --git a/lib/std/build.zig b/lib/std/build.zig
index 8d6db459ea..43d7b8486d 100644
--- a/lib/std/build.zig
+++ b/lib/std/build.zig
@@ -1252,6 +1252,7 @@ pub const LibExeObjStep = struct {
     bundle_compiler_rt: ?bool = null,
     disable_stack_probing: bool,
     disable_sanitize_c: bool,
+    sanitize_thread: bool,
     rdynamic: bool,
     c_std: Builder.CStd,
     override_lib_dir: ?[]const u8,
@@ -1434,6 +1435,7 @@ pub const LibExeObjStep = struct {
             .filter = null,
             .disable_stack_probing = false,
             .disable_sanitize_c = false,
+            .sanitize_thread = false,
             .rdynamic = false,
             .output_dir = null,
             .single_threaded = false,
@@ -2252,6 +2254,9 @@ pub const LibExeObjStep = struct {
         if (self.disable_sanitize_c) {
             try zig_args.append("-fno-sanitize-c");
         }
+        if (self.sanitize_thread) {
+            try zig_args.append("-fsanitize-thread");
+        }
         if (self.rdynamic) {
             try zig_args.append("-rdynamic");
         }