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Date:      Thu, 13 Feb 2014 19:27:00 -0600
From:      Bryan Drewery <bdrewery@FreeBSD.org>
To:        Dimitry Andric <dim@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Cc:        FreeBSD Ports Management Team <portmgr@FreeBSD.org>
Subject:   Re: svn commit: r261801 - head/contrib/libc++/include
Message-ID:  <52FD70E4.7080906@FreeBSD.org>
In-Reply-To: <201402121814.s1CIEo5A016765@svn.freebsd.org>
References:  <201402121814.s1CIEo5A016765@svn.freebsd.org>

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On 2/12/2014 12:14 PM, Dimitry Andric wrote:
> Author: dim
> Date: Wed Feb 12 18:14:49 2014
> New Revision: 261801
> URL: http://svnweb.freebsd.org/changeset/base/261801
>=20
> Log:
>   An ABI incompatibility crept into the libc++ 3.4 import in r261283.  =
It
>   was caused by upstream libc++ commit r194536, which aimed to make the=

>   headers more standards-compliant, by making std::pair's copy construc=
tor
>   trivial.  Unfortunately, this could cause certain C++ applications us=
ing
>   shared libraries built against the previous version of libc++ to cras=
h.
>  =20
>   Fix the ABI incompatibility by making std::pair's copy constructor
>   non-trivial again.
>  =20


>   Please note: Any C++ applications or shared libraries built with libc=
++
>   between r261283 and this revision should be recompiled.

*Please* bump __FreeBSD_version__ for ABI changes and notify portmgr@ of
such cases that clearly affect package building.

>  =20
>   Reported by:	stefanf
>   MFC after:	3 weeks
>   X-MFC-With:	r261283
>=20
> Modified:
>   head/contrib/libc++/include/__config
>=20
> Modified: head/contrib/libc++/include/__config
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D
> --- head/contrib/libc++/include/__config	Wed Feb 12 16:39:56 2014	(r261=
800)
> +++ head/contrib/libc++/include/__config	Wed Feb 12 18:14:49 2014	(r261=
801)
> @@ -567,7 +567,7 @@ template <unsigned> struct __static_asse
>  #define _LIBCPP_WCTYPE_IS_MASK
>  #endif
> =20
> -#if defined(__APPLE__)
> +#if defined(__APPLE__) || defined(__FreeBSD__)
>  #ifndef _LIBCPP_TRIVIAL_PAIR_COPY_CTOR
>  #  define _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 0
>  #endif
>=20


--=20
Regards,
Bryan Drewery


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