linux-kernel - [PATCH 2/2] kbuild: add -Wall to KBUILD

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Message-Id: <20200217012741.22100-2-masahiroy@kernel.org>
Date:   Mon, 17 Feb 2020 10:27:41 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>
Subject: [PATCH 2/2] kbuild: add -Wall to KBUILD_HOSTCXXFLAGS

Add -Wall to catch more warnings for host programs written in C++.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 8f15926b83bb..0ad7c1b14d59 100644
--- a/Makefile
+++ b/Makefile
@@ -399,7 +399,7 @@ HOSTCXX      = g++
 KBUILD_HOSTCFLAGS   := -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 \
 		-fomit-frame-pointer -std=gnu89 $(HOST_LFS_CFLAGS) \
 		$(HOSTCFLAGS)
-KBUILD_HOSTCXXFLAGS := -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
+KBUILD_HOSTCXXFLAGS := -Wall -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
 KBUILD_HOSTLDFLAGS  := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS)
 KBUILD_HOSTLDLIBS   := $(HOST_LFS_LIBS) $(HOSTLDLIBS)
 
-- 
2.17.1