git: 3456659866b6 - main - jail: Mute -Wunused-but-set-variable for yynerrs.

From: John Baldwin <jhb_at_FreeBSD.org>
Date: Tue, 20 Jun 2023 19:39:18 UTC 
The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=3456659866b6fffddbb43e0b7fd1e0bf67761d73

commit 3456659866b6fffddbb43e0b7fd1e0bf67761d73
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2023-06-20 19:38:20 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2023-06-20 19:38:20 +0000

    jail: Mute -Wunused-but-set-variable for yynerrs.
    
    This is in the generated parser when using %pure-parser.
    
    y.tab.c:382:14: error: variable 'yynerrs' set but not used [-Werror,-Wunused-but-set-variable]
        int      yynerrs;
                 ^
    
    Reviewed by:    emaste
    Differential Revision:  https://reviews.freebsd.org/D40671
---
 usr.sbin/jail/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/usr.sbin/jail/Makefile b/usr.sbin/jail/Makefile
index de1e89e708f0..d5ec068ca48b 100644
--- a/usr.sbin/jail/Makefile
+++ b/usr.sbin/jail/Makefile
@@ -11,6 +11,7 @@ LIBADD=	jail kvm util
 PACKAGE=jail
 
 NO_WMISSING_VARIABLE_DECLARATIONS=
+CWARNFLAGS.jailparse.c=	${NO_WUNUSED_BUT_SET_VARIABLE}
 
 YFLAGS+=-v
 CFLAGS+=-I. -I${.CURDIR}