linux-kernel - [PATCH 1/4] Adds -Wshadow=local on KBUILD

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Date:   Tue, 16 Oct 2018 21:08:09 -0300
From:   Leonardo Brás <leobras.c@...il.com>
To:     lkcamp@...ts.libreplanetbr.org
Cc:     Matthew Wilcox <willy6545@...il.com>,
        Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org
Subject: [PATCH 1/4] Adds -Wshadow=local on KBUILD_HOSTCFLAGS

Adds -Wshadow=local on KBUILD_HOSTCFLAGS to show shadow warnings
on tools built for HOST.

Signed-off-by: Leonardo Brás <leobras.c@...il.com>
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index e8b599b4dcde..fb0a9ac195e7 100644
--- a/Makefile
+++ b/Makefile
@@ -360,7 +360,7 @@ HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/dev/null)
 
 HOSTCC       = gcc
 HOSTCXX      = g++
-KBUILD_HOSTCFLAGS   := -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 \
+KBUILD_HOSTCFLAGS   := -Wall -Wshadow=local -Wmissing-prototypes -Wstrict-prototypes -O2 \
 		-fomit-frame-pointer -std=gnu89 $(HOST_LFS_CFLAGS) \
 		$(HOSTCFLAGS)
 KBUILD_HOSTCXXFLAGS := -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
-- 
2.19.1