linux-kernel - [PATCH 11/13] objtool: Change "warning:" to "error:" for --Werror

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Message-ID: <56f0565b15b4b4caa9a08953fa9c679dfa973514.1741975349.git.jpoimboe@kernel.org>
Date: Fri, 14 Mar 2025 12:29:09 -0700
From: Josh Poimboeuf <jpoimboe@...nel.org>
To: x86@...nel.org
Cc: linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Brendan Jackman <jackmanb@...gle.com>,
	Nathan Chancellor <nathan@...nel.org>
Subject: [PATCH 11/13] objtool: Change "warning:" to "error:" for --Werror

This is similar to GCC's behavior and makes it more obvious why the
build failed.

Suggested-by: Nathan Chancellor <nathan@...nel.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>
---
 tools/objtool/include/objtool/warn.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/objtool/include/objtool/warn.h b/tools/objtool/include/objtool/warn.h
index 6180288927fd..e72b9d630551 100644
--- a/tools/objtool/include/objtool/warn.h
+++ b/tools/objtool/include/objtool/warn.h
@@ -43,8 +43,10 @@ static inline char *offstr(struct section *sec, unsigned long offset)
 
 #define WARN(format, ...)				\
 	fprintf(stderr,					\
-		"%s: warning: objtool: " format "\n",	\
-		objname, ##__VA_ARGS__)
+		"%s: %s: objtool: " format "\n",	\
+		objname,				\
+		opts.werror ? "error" : "warning",	\
+		##__VA_ARGS__)
 
 #define WARN_FUNC(format, sec, offset, ...)		\
 ({							\
-- 
2.48.1