From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1RE4SX-0003nK-38 for garchives@archives.gentoo.org; Wed, 12 Oct 2011 19:27:21 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 8626E21C08B; Wed, 12 Oct 2011 19:27:12 +0000 (UTC) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) by pigeon.gentoo.org (Postfix) with ESMTP id E976221C03A for ; Wed, 12 Oct 2011 19:26:45 +0000 (UTC) Received: from vapier.localnet (localhost [127.0.0.1]) by smtp.gentoo.org (Postfix) with ESMTP id 50A211B4004 for ; Wed, 12 Oct 2011 19:26:45 +0000 (UTC) From: Mike Frysinger Organization: wh0rd.org To: gentoo-dev@lists.gentoo.org Subject: Re: [gentoo-dev] GCC upgrades, FUD and gentoo documentation Date: Wed, 12 Oct 2011 15:26:44 -0400 User-Agent: KMail/1.13.7 (Linux/3.1.0-rc4; KDE/4.6.5; x86_64; ; ) References: <20111008113307.GA13693@gentoo.org> In-Reply-To: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-dev@lists.gentoo.org Reply-to: gentoo-dev@lists.gentoo.org MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart6113384.fALMlcEsPv"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <201110121526.45513.vapier@gentoo.org> X-Archives-Salt: X-Archives-Hash: 31a93dc4794fed407f164e61d6eaf820 --nextPart6113384.fALMlcEsPv Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable On Saturday 08 October 2011 18:57:23 James Cloos wrote: > >>>>> "SV" =3D=3D Sven Vermeulen writes: > SV> - Since 3.4.0/4.1.0, the C++ ABI is forward-compatible, so rebuilds > SV> from that version onwards should not be needed >=20 > That is not generally true. >=20 > I use gcc-4.5 as my system gcc, but mostly use 4.6 when building things > outside of portage. I still run into compilation errors with C++ which > go away if I compile said code with 4.5. >=20 > GCC=E2=80=99s C++ abi is only *mostly* forwards compatible, not *entirely= *. i think you're hitting a bug that has nothing to do with the ABI=20 compatibility. i.e. Bug 297685. =2Dmike --nextPart6113384.fALMlcEsPv Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (GNU/Linux) iQIcBAABAgAGBQJOlen1AAoJEEFjO5/oN/WBhdsP/jO0aEHLJUcGE3uhlg6I1bHu DH3vEaQHkcJMRPFcuZmQVVMz+C/LuFLFg/jAn/KYQGw3PR55DW2DZxnQXfVxiojW 41uUX3I3CoZ9Qag2aGcml/NFvqE+oeOhxRrrPYf3y0s7/gIV7+CIRlETHIT0xA/1 0pHnwAWSZXuNsS0Fte3ewdY0b1UAItVQHa/rIFhbFRY4mBC9IlNu6mYzkVYiu+YR th0MXrmK6ypxGrsTcSBOMiJ4C4EyL875TigspBa4/jtYC1d2zruckIpYHH4UitBF CwdycNxL6hKUtY22gpc00PBuTj0kDtNJ0LwMPOBqfxj7ooZLV8E93dgG1gueFEaw ykZmjL8cywKGiZbHFkilguV4qLv78O32rm5UlWmeyzv8TEN4p1y8rVPjmFoarIVN RrrlwDQIDwFoH3dVMUY5k/UDJwhi+RWSyItR5aKMgLjWnRtqFHDwD/2zBPAXn97H mz3DGDFPZl3tbq6VSbpk4AUAJ/pxeA3ODAo15K2P2uNPwvwctAZO/79COOymlBVv KW3WAOTnYwLLKded1IORFPtHg8rYS1MtspoAIGZnkIirwzJxiKao/Twpp0kODdtG xjr5j8LDfim26jNHDwQHpMm2ChO33+/6xwYYbJciremvhdwa/xnU5Oaw1J7un9M2 rtGCQbobMqI85h7JPg3A =nsNu -----END PGP SIGNATURE----- --nextPart6113384.fALMlcEsPv--