git: 294bd2827e61 - main - libc: Suppress format checks on printf() / scanf() tests.

From: Dag-Erling Smørgrav <des_at_FreeBSD.org>
Date: Thu, 07 Sep 2023 06:41:57 UTC 
The branch main has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=294bd2827e61a78041f6613f4b82235fcc454157

commit 294bd2827e61a78041f6613f4b82235fcc454157
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2023-09-07 06:14:39 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2023-09-07 06:40:14 +0000

    libc: Suppress format checks on printf() / scanf() tests.
    
    Reviewed by:    jrtc27, markj, emaste
    Differential Revision:  https://reviews.freebsd.org/D41727
---
 lib/libc/tests/stdio/Makefile | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/libc/tests/stdio/Makefile b/lib/libc/tests/stdio/Makefile
index 2a8a4e69a6c4..7716a60c0e6b 100644
--- a/lib/libc/tests/stdio/Makefile
+++ b/lib/libc/tests/stdio/Makefile
@@ -38,9 +38,15 @@ LIBADD.eintr_test+=	 md
 LIBADD.printfloat_test+= m
 LIBADD.scanfloat_test+=  m
 
+# Older toolchains won't understand C23 %b, %wN, %wfN
+PROG_OVERRIDE_VARS+=	NO_WFORMAT
+NO_WFORMAT.snprintf_test=
+NO_WFORMAT.sscanf_test=
+NO_WFORMAT.swprintf_test=
+NO_WFORMAT.swscanf_test=
+
 .if ${COMPILER_TYPE} == "gcc"
 # 90: use of assignment suppression and length modifier together in scanf format
-PROG_OVERRIDE_VARS+=	NO_WFORMAT
 NO_WFORMAT.scanfloat_test=
 .endif