linux-kernel - [PATCH] tools build: use .s extension for preprocessed assembler code

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Date:	Mon,  1 Feb 2016 02:59:00 +0900
From:	Masahiro Yamada <yamada.masahiro@...ionext.com>
To:	linux-kernel@...r.kernel.org
Cc:	Masahiro Yamada <yamada.masahiro@...ionext.com>,
	Aaro Koskinen <aaro.koskinen@...ia.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Lukas Wunner <lukas@...ner.de>, Jiri Olsa <jolsa@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH] tools build: use .s extension for preprocessed assembler code

The "man gcc" says .i extension represents the file is C source code
that should not be preprocessed.  Here, .s should be used.

For clarification,
  .c  ---(preprocess)--->  .i
  .S  ---(preprocess)--->  .s

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 tools/build/Makefile.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build
index 4a96473..ee566e8 100644
--- a/tools/build/Makefile.build
+++ b/tools/build/Makefile.build
@@ -85,7 +85,7 @@ $(OUTPUT)%.i: %.c FORCE
 	$(call rule_mkdir)
 	$(call if_changed_dep,cc_i_c)
 
-$(OUTPUT)%.i: %.S FORCE
+$(OUTPUT)%.s: %.S FORCE
 	$(call rule_mkdir)
 	$(call if_changed_dep,cc_i_c)
 
-- 
1.9.1