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Date: Mon, 2 May 2016 19:56:17 +0200
From: Emese Revfy <re.emese@...il.com>
To: Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc: Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>, PaX Team
<pageexec@...email.hu>, Brad Spengler <spender@...ecurity.net>,
kernel-hardening@...ts.openwall.com, Michal Marek <mmarek@...e.com>, Kees
Cook <keescook@...omium.org>, Rasmus Villemoes <linux@...musvillemoes.dk>,
Fengguang Wu <fengguang.wu@...el.com>, Dmitry Vyukov <dvyukov@...gle.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, David Brown
<david.brown@...aro.org>
Subject: Re: [PATCH v7 1/6] Shared library support
On Mon, 2 May 2016 14:03:00 +0900
Masahiro Yamada <yamada.masahiro@...ionext.com> wrote:
> In the first place,
> I am wondering if we need to revive this documentation.
> What this commit is only interested in *.so generation,
> not host program support.
I agree that we don't need this documentation. I'll remove it.
> > @@ -124,5 +158,39 @@ quiet_cmd_host-cxxobjs = HOSTCXX $@
> > $(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE
> > $(call if_changed_dep,host-cxxobjs)
> >
> > +# Compile .c file, create position independent .o file
> > +# host-cshobjs -> .o
> > +quiet_cmd_host-cshobjs = HOSTCC -fPIC $@
> > + cmd_host-cshobjs = $(HOSTCC) $(hostc_flags) -fPIC -c -o $@ $<
> > +$(host-cshobjs): $(obj)/%.o: $(src)/%.c FORCE
> > + $(call if_changed_dep,host-cshobjs)
> > +
> > +# Compile .c file, create position independent .o file
>
>
> Please explain why c++ compiler should be used to compile .c files.
>
> This is not clear, so worth commenting.
Where do you think that the C++ compiler is used above? I think HOSTCC can only be C compiler.
--
Emese
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