Date: Tue, 3 Mar 2015 18:17:55 +0100 From: Dimitry Andric <dim@FreeBSD.org> To: Craig Rodrigues <rodrigc@FreeBSD.org> Cc: "freebsd-testing@freebsd.org" <freebsd-testing@freebsd.org>, freebsd-toolchain@freebsd.org Subject: Re: Failed to build with external toolchain Message-ID: <A1580F95-4882-46F3-96C2-3D3D1D493706@FreeBSD.org> In-Reply-To: <CAG=rPVfP4=BuL8DOuy9FNDcN51zshfBfeuFONiAAONWON6n3kA@mail.gmail.com> References: <CAG=rPVfP4=BuL8DOuy9FNDcN51zshfBfeuFONiAAONWON6n3kA@mail.gmail.com>
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--Apple-Mail=_181A63D6-9FFE-409A-A8B3-28BAC263DB96 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 03 Mar 2015, at 09:00, Craig Rodrigues <rodrigc@FreeBSD.org> wrote: >=20 > Based on this mail: >=20 > = https://lists.freebsd.org/pipermail/freebsd-current/2014-November/053577.h= tml >=20 > I created this script to build HEAD with amd64-gcc: > = https://github.com/freebsd/freebsd-ci/blob/master/scripts/build/cross-buil= d.sh >=20 > However, when I ran the script, I got this error: >=20 > = https://jenkins.freebsd.org/job/FreeBSD_HEAD_external_toolchain_gcc/6/cons= ole >=20 > Any ideas what the problem might be? Hi Craig, This is a bad interaction between gcc 4.9.1 and one of libc++'s headers. I am not yet sure whether it is a problem in libc++ or in gcc, so I have asked upstream to take a look at it [1]. Meanwhile, as a quick hack/workaround, you can define _LIBCPP_HAS_NO_ADVANCED_SFINAE in CXXFLAGS to attempt to make the build continue. E.g., add: CXXFLAGS+=3D -D_LIBCPP_HAS_NO_ADVANCED_SFINAE to the make.conf file you use for building. -Dimitry [1] http://llvm.org/PR22771 --Apple-Mail=_181A63D6-9FFE-409A-A8B3-28BAC263DB96 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.26 iEYEARECAAYFAlT17McACgkQsF6jCi4glqPIGwCaAp5uem3RS810PzROIdT2M8qV j7oAnRQOK4oQG/B6xqp2k8euzmOiWLf4 =mSuT -----END PGP SIGNATURE----- --Apple-Mail=_181A63D6-9FFE-409A-A8B3-28BAC263DB96--
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