src.conf.5: Add WITH_ZONEINFO_LEAPSECONDS_SUPPORT warning

People are turning on the option and then tripping over weird
consequences.  See bugs 248338 and 271170 as examples.

Approved by:	cy, imp, philip
Differential Revision:	https://reviews.freebsd.org/D25902

Co-authored-by: Joseph Mingrone <jrm@FreeBSD.org>
This commit is contained in:
Andrew Gierth
2025-05-09 15:04:17 -03:00
committed by Joseph Mingrone
parent 7ffedfe14c
commit 5d50c2397a
2 changed files with 11 additions and 1 deletions
+6 -1
View File
@@ -1,5 +1,5 @@
.\" DO NOT EDIT-- this file is @generated by tools/build/options/makeman.
.Dd May 5, 2025
.Dd May 9, 2025
.Dt SRC.CONF 5
.Os
.Sh NAME
@@ -1896,6 +1896,11 @@ When set, it enforces these options:
.El
.It Va WITH_ZONEINFO_LEAPSECONDS_SUPPORT
Build leapsecond information in to the timezone database.
This option violates
.St -p1003.1
and all other applicable standards, and is known to cause unexpected
issues with date/time handling in many applications and programming
languages.
.El
.Pp
The following options accept a single value from a list of valid values.
@@ -1 +1,6 @@
Build leapsecond information in to the timezone database.
This option violates
.St -p1003.1
and all other applicable standards, and is known to cause unexpected
issues with date/time handling in many applications and programming
languages.