linux-kernel - [PATCH] checksyscalls: ignore -Wunused-macros

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Message-Id: <20220422151725.1336997-1-mailhol.vincent@wanadoo.fr>
Date:   Sat, 23 Apr 2022 00:17:25 +0900
From:   Vincent Mailhol <mailhol.vincent@...adoo.fr>
To:     Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>
Cc:     linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        Palmer Dabbelt <palmerdabbelt@...gle.com>,
        Arnd Bergmann <arnd@...db.de>,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>
Subject: [PATCH] checksyscalls: ignore -Wunused-macros

The macros defined in this file are for testing only and are purposely
not used. When compiled with W=2, both gcc and clang yield some
-Wunused-macros warnings. Ignore them.

Signed-off-by: Vincent Mailhol <mailhol.vincent@...adoo.fr>
---
 scripts/checksyscalls.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh
index 9dbab13329fa..cde15f22ec98 100755
--- a/scripts/checksyscalls.sh
+++ b/scripts/checksyscalls.sh
@@ -255,6 +255,7 @@ cat << EOF
 /* 64-bit ports never needed these, and new 32-bit ports can use statx */
 #define __IGNORE_fstat64
 #define __IGNORE_fstatat64
+
 EOF
 }
 
@@ -268,4 +269,4 @@ syscall_list() {
 }
 
 (ignore_list && syscall_list $(dirname $0)/../arch/x86/entry/syscalls/syscall_32.tbl) | \
-$* -Wno-error -E -x c - > /dev/null
+$* -Wno-error -Wno-unused-macros -E -x c - > /dev/null
-- 
2.35.1