From 213298fb822258bb69c6b85b7c8d7f019fd2306a Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 16 Dec 2013 04:43:42 +0100
Subject: [PATCH] build-sys: warn if builds are not byte-by-byte reproducible
 due to usage of __DATE__ and suchlike

---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index f85e86e52..9a32d9c8b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -143,6 +143,7 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         -Wno-missing-field-initializers \
         -Wno-unused-result \
         -Werror=overflow \
+        -Wdate-time \
         -ffast-math \
         -fno-common \
         -fdiagnostics-show-option \
-- 
2.30.2