From 27507ad9713a05281bcb8031f5206070f1e2a887 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Sat, 27 Jul 2024 08:18:48 +0200
Subject: [PATCH] compiler: Enable -Werror=date-time for C/C++ code in release
 builds.

We advertise reproducible builds for release modes, so let's help users achieve
that in C/C++ code. Users can still override this manually if they really want.
---
 src/Compilation.zig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Compilation.zig b/src/Compilation.zig
index e6ab42cbc2..8c9e18bc98 100644
--- a/src/Compilation.zig
+++ b/src/Compilation.zig
@@ -5734,6 +5734,10 @@ pub fn addCCArgs(
                 },
             }
 
+            if (mod.optimize_mode != .Debug) {
+                try argv.append("-Werror=date-time");
+            }
+
             if (target_util.supports_fpic(target) and mod.pic) {
                 try argv.append("-fPIC");
             }