git: 021385aba562 - main - Add WITH_LLVM_BINUTILS to install LLVM binutils instead of Elftoolchain

[Cameron Katri]

On Sat, Sep 11, 2021 at 10:43:40AM -0400, Shawn Webb wrote:
> On Mon, Sep 06, 2021 at 09:24:02AM +0000, Alex Richardson wrote:
> > The branch main has been updated by arichardson:
> > 
> > URL: https://cgit.FreeBSD.org/src/commit/?id=021385aba56279febcfdcc64d23673a0106ae45d
> > 
> > commit 021385aba56279febcfdcc64d23673a0106ae45d
> > Author:     Alex Richardson <arichardson at FreeBSD.org>
> > AuthorDate: 2021-09-06 08:49:49 +0000
> > Commit:     Alex Richardson <arichardson at FreeBSD.org>
> > CommitDate: 2021-09-06 08:49:49 +0000
> > 
> >     Add WITH_LLVM_BINUTILS to install LLVM binutils instead of Elftoolchain
> >     
> >     When WITH_LLVM_BINUTILS is set, we will install the LLVM binutils as
> >     ar/ranlib/nm/objcopy/etc. instead of the elftoolchain ones.
> >     Having the LLVM binutils instead of the elftoolchain ones allows us to use
> >     features such as LTO that depend on binutils that understand LLVM IR.
> >     Another benefit will be an improved user-experience when compiling with
> >     AddressSanitizer, since ASAN does not symbolize backtraces correctly if
> >     addr2line is elftoolchain addr2line instead of llvm-symbolizer.
> >     See https://lists.freebsd.org/archives/freebsd-toolchain/2021-July/000062.html
> >     for more details.
> >     
> >     This is currently off by default but will be turned on by default at some
> >     point in the near future.
> 
> Hey Alex,
> 
> It appears when MK_LLVM_BINUTILS is set, a strip binary/link doesn't
> get installed. So /usr/bin/strip doesn't exist. This causes a problem
> when building packages since even ports-mgmt/pkg relies on strip.
> 
> I'm working on a candidate patch to fix this right now. But if you
> beat me to the punch, all the better. ;-)
> 
> Thanks,
> 
> -- 
> Shawn Webb
> Cofounder / Security Engineer
> HardenedBSD
> 
> https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/raw/master/Shawn_Webb/03A4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc

Hello,

I just noticed that strings is still the elftoolchain version, and
llvm-readelf is not connected to the buildsystem at all.

- Cameron Katri

-- 
Cameron Katri
Email: me at cameronkatri.com
PGP Fingerprint: 7D3B36CEA40FCC2181FB6DCDBAFFD97826540F1C
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 488 bytes
Desc: not available
URL: <http://lists.freebsd.org/pipermail/dev-commits-src-main/attachments/20210917/ce230b0c/attachment.sig>