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Re: [PATCH for-4.17] Build: Drop -no-pie from EMBEDDED_EXTRA_CFLAGS
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
- Date: Mon, 3 Oct 2022 11:20:06 +0000
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- Cc: George Dunlap <George.Dunlap@xxxxxxxxxx>, Roger Pau Monne <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Henry Wang <Henry.Wang@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
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- Thread-topic: [PATCH for-4.17] Build: Drop -no-pie from EMBEDDED_EXTRA_CFLAGS
On 29/09/2022 11:07, Jan Beulich wrote:
> On 27.09.2022 17:47, Andrew Cooper wrote:
>> This breaks all Clang builds, as demostrated by Gitlab CI.
>>
>> Contrary to the description in ecd6b9759919, -no-pie is not even an option
>> passed to the linker. GCC's actual behaviour is to inhibit the passing of
>> -pie to the linker, as well as selecting different cr0 artefacts to be
>> linked.
>>
>> EMBEDDED_EXTRA_CFLAGS is not used for $(CC)-doing-linking, and not liable to
>> gain such a usecase.
> Since it was largely unavoidable for me to notice this while putting
> together the two XTF patches just sent - isn't the current way of using
> -no-pie there bogus then as well?
Hmm, it is now. In the past, XTF did use $(CC) for linking, but that is
not the case now. I'll drop it.
~Andrew
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