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To: Laszlo Ersek <lersek@redhat.com>, "Shi, Steven" <steven.shi@intel.com>,
 Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: edk2-devel-01 <edk2-devel@lists.01.org>,
 Alex Williamson <alex.williamson@redhat.com>,
 "Justen, Jordan L" <jordan.l.justen@intel.com>,
 "Gao, Liming" <liming.gao@intel.com>,
 "Kinney, Michael D" <michael.d.kinney@intel.com>
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Tue, 22 Aug 2017 15:27:04 +0200
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 (mx1.redhat.com [10.5.110.32]); Tue, 22 Aug 2017 13:27:08 +0000 (UTC)
Subject: Re: [PATCH 1/1] BaseTools/tools_def.template: revert to large code model for X64/GCC5/LTO
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On 22/08/2017 13:59, Laszlo Ersek wrote:
> This seems to suggest that "-pie" is the *master* switch (used only when
> linking), and "-fpie" is a *prerequisite* for it (to be used both when
> linking and compiling). Is this right?
> 
> If so, then I think this is a gcc usability bug. We don't generally
> start our thinking from the linker side. The above implies that the
> simple (hosted) command line:
> 
> $ gcc -o example -fpie source1.c source2.c
> 
> could also result in miscompilation, because "-pie" is not given, only
> "-fpie".

No, GCC should add -pie on its own.

Paolo