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From: "joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/25920] cross-compiling for ARM target fails at linking
 ld.so.new if THUMB used
Date: Tue, 05 May 2020 21:16:57 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D25920

--- Comment #10 from joseph at codesourcery dot com <joseph at codesourcery=
 dot com> ---
On Tue, 5 May 2020, piotr.oniszczuk at gmail dot com via Glibc-bugs wrote:

> https://sourceware.org/bugzilla/show_bug.cgi?id=3D25920
>=20
> --- Comment #9 from Piotr Oniszczuk <piotr.oniszczuk at gmail dot com> ---
> (In reply to joseph@codesourcery.com from comment #8)
> > On Tue, 5 May 2020, piotr.oniszczuk at gmail dot com via Glibc-bugs wro=
te:
> >=20
> > > Ok. So when you are writing: "Options wanted for all languages should=
 go in CC"
> > > - what exactly do you mean in terms of configure supplied params?
> >=20
> > CC=3D"<target>-gcc -mthumb -march=3Darmv7 -mfloat-abi=3Dsoft", for exam=
ple.
>=20
> Ah yes! I already tries exactly this and this makes glibc build failing q=
uite
> early at assembling with assembler :-(

So look at that failure, because putting the options in CC is the right=20
way to build glibc with custom compiler options.

One other thing to note: you have to use armv7-a, not armv7; v7-R and v7-M=
=20
aren't supported for normal GNU/Linux (with MMU) userspace.

--=20
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