git: 489d7a8528ca - main - Enable -Wdate-time warning

From: Ed Maste <emaste_at_FreeBSD.org>
Date: Wed, 09 Feb 2022 22:10:11 UTC
The branch main has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=489d7a8528cae1adb7192c2563028e2d028c354b

commit 489d7a8528cae1adb7192c2563028e2d028c354b
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2022-02-09 22:10:03 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2022-02-09 22:10:03 +0000

    Enable -Wdate-time warning
    
    This produces an "expansion of date or time macro is not reproducible"
    warning or error upon use of __DATE__ or __TIME__.
    
    Reviewed by:    markj
    Sponsored by:   The FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D29580
---
 share/mk/bsd.sys.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk
index 1673ae8c449a..694cc66c3f18 100644
--- a/share/mk/bsd.sys.mk
+++ b/share/mk/bsd.sys.mk
@@ -75,6 +75,7 @@ CWARNFLAGS.clang+=	-Wthread-safety
 CWARNFLAGS+=	-Wno-uninitialized
 .endif # WARNS >=2 && WARNS <= 4
 CWARNFLAGS+=	-Wno-pointer-sign
+CWARNFLAGS+=	-Wdate-time
 # Clang has more warnings enabled by default, and when using -Wall, so if WARNS
 # is set to low values, these have to be disabled explicitly.
 .if ${WARNS} <= 6