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Date: Thu, 18 Feb 2016 22:21:55 +0100
From: Emese Revfy <re.emese@gmail.com>
Subject: Re: [PATCH v2 1/3] GCC plugin infrastructure
Message-Id: <20160218222155.85bf19be5ab9c48efc2fec66@gmail.com>
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To: Kees Cook <keescook@chromium.org>
Cc: linux-kbuild <linux-kbuild@vger.kernel.org>, PaX Team <pageexec@freemail.hu>, Brad Spengler <spender@grsecurity.net>, "kernel-hardening@lists.openwall.com" <kernel-hardening@lists.openwall.com>, Michal Marek <mmarek@suse.com>, Rasmus Villemoes <linux@rasmusvillemoes.dk>

 
> > +ifeq ($(call cc-ifversion, -ge, 0408, y), y)
> > +       $(CONFIG_SHELL) -x $(srctree)/scripts/gcc-plugin.sh "$(HOSTCXX)" "$(HOSTCXX)" "$(CC)"
> > +else
> > +       $(CONFIG_SHELL) -x $(srctree)/scripts/gcc-plugin.sh "$(HOSTCC)" "$(HOSTCXX)" "$(CC)"
> 
> Is there a reason for these to be running with -x? This makes it noisy
> when running with V=0 (the default).

I think -x is useful, it prints out e.g., which headers are missing. gcc-plugin.sh with -x runs
only when there is something wrong (as you can see it in the kbuild test bot mails).

-- 
Emese