git: e6cab850f131 - stable/15 - libc: Add <setjmp.h> C23 feature test macro

The branch stable/15 has been updated by kfv:

URL: https://cgit.FreeBSD.org/src/commit/?id=e6cab850f13158e42aa26556f07dab90212112c3

commit e6cab850f13158e42aa26556f07dab90212112c3
Author:     Faraz Vahedi <kfv@FreeBSD.org>
AuthorDate: 2026-08-24 13:48:08 +0000
Commit:     Faraz Vahedi <kfv@FreeBSD.org>
CommitDate: 2026-10-31 10:03:34 +0000

    libc: Add <setjmp.h> C23 feature test macro
    
    Define the __STDC_VERSION_SETJMP_H__ feature test macro as the
    header fully conforms to C23.
    
    Reviewed by:    fuz
    Approved by:    fuz (mentor)
    MFC after:      1 month
    Differential Revision:  https://reviews.freebsd.org/D59135
    
    (cherry picked from commit 4aeed6e9d2132366fe5d7fa46d47d73be9de263b)
---
 include/setjmp.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/setjmp.h b/include/setjmp.h
index 4739784c7ed2..108b47771160 100644
--- a/include/setjmp.h
+++ b/include/setjmp.h
@@ -37,6 +37,8 @@
 #ifndef _SETJMP_H_
 #define _SETJMP_H_
 
+#define __STDC_VERSION_SETJMP_H__	202311L
+
 #include <sys/cdefs.h>
 
 /* The size of the jmp_buf is machine dependent: */