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From: Sam James <sam@gentoo.org>
To: Fangrui Song <maskray@google.com>
Cc: Carlos O'Donell via Libc-alpha <libc-alpha@sourceware.org>,
	Florian Weimer <fweimer@redhat.com>
Subject: Re: [PATCH] Makerules: Generate shlib.lds with -fuse-ld=bfd
Date: Sun, 6 Nov 2022 23:12:39 +0000	[thread overview]
Message-ID: <F89C973D-342A-4399-922C-8BBCE850D9A8@gentoo.org> (raw)
In-Reply-To: <CAFP8O3+=Fb_cN-de8+JuksVSk1u6ZEaYdDZKBNPfF10hkO_2cQ@mail.gmail.com>

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> On 6 Nov 2022, at 23:06, Fangrui Song via Libc-alpha <libc-alpha@sourceware.org> wrote:
> 
> On 2022-11-06, Sam James wrote:
>> 
>> 
>>> On 6 Nov 2022, at 18:17, Fangrui Song via Libc-alpha <libc-alpha@sourceware.org> wrote:
>>> 
>>> lld does not dump a linker script with --verbose (it does not use a
>>> linker script driven design and lots of linker processing is not
>>> serializable as a linker script anyway).  With the default
>>> --with-default-link=no build, $@T is empty and makes `test -s $@T` fail.
>>> 
>>> Just dump the linker script with -fuse-ld=bfd.  lld since 15
>>> (https://reviews.llvm.org/D124656) supports custom RELRO sections in the
>>> GNU ld dumped linker script.
>>> ---
>> 
>> What if bfd isn't installed?
> 
> Then --with-default-link=yes has to be used:)

Configure should check in that case.

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  reply	other threads:[~2022-11-06 23:12 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-06 18:17 Fangrui Song
2022-11-06 21:21 ` Sam James
2022-11-06 23:06   ` Fangrui Song
2022-11-06 23:12     ` Sam James [this message]
2022-11-06 23:15       ` Fangrui Song
2022-11-06 23:15         ` Sam James
2022-11-06 23:21       ` Fangrui Song
2022-11-07  8:31 ` Florian Weimer
2022-11-08  0:06   ` Sam James
2022-11-08  0:22     ` Fangrui Song
2022-11-08  0:29       ` Sam James

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