From owner-freebsd-questions@FreeBSD.ORG Sat Oct 11 17:56:09 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id B1EC557A for ; Sat, 11 Oct 2014 17:56:09 +0000 (UTC) Received: from smtp.infracaninophile.co.uk (smtp6.infracaninophile.co.uk [IPv6:2001:8b0:151:1:3cd3:cd67:fafa:3d78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "smtp.infracaninophile.co.uk", Issuer "ca.infracaninophile.co.uk" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 56C3A31A for ; Sat, 11 Oct 2014 17:56:09 +0000 (UTC) Received: from seedling.black-earth.co.uk (seedling.black-earth.co.uk [81.2.117.99]) (authenticated bits=0) by smtp.infracaninophile.co.uk (8.14.9/8.14.9) with ESMTP id s9BHtvWS021479 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Sat, 11 Oct 2014 18:55:58 +0100 (BST) (envelope-from matthew@FreeBSD.org) Authentication-Results: smtp.infracaninophile.co.uk; dmarc=none header.from=FreeBSD.org DKIM-Filter: OpenDKIM Filter v2.9.2 smtp.infracaninophile.co.uk s9BHtvWS021479 Authentication-Results: smtp.infracaninophile.co.uk/s9BHtvWS021479; dkim=none reason="no signature"; dkim-adsp=none; dkim-atps=neutral Message-ID: <54396F26.7010706@FreeBSD.org> Date: Sat, 11 Oct 2014 18:55:50 +0100 From: Matthew Seaman User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: freebsd-questions@freebsd.org Subject: Re: What is the philosophy of FreeBSD about the licenses? References: In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="OE9n8Mn7ARSnOkDxjV3CsUJOtNi8Qi9ep" X-Virus-Scanned: clamav-milter 0.98.4 at lucid-nonsense.infracaninophile.co.uk X-Virus-Status: Clean X-Spam-Status: No, score=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lucid-nonsense.infracaninophile.co.uk X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Oct 2014 17:56:09 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --OE9n8Mn7ARSnOkDxjV3CsUJOtNi8Qi9ep Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 11/10/2014 18:36, fran=C3=A7ai s wrote: > The following link explains the philosophy of OpenBSD and explains why = the > GPL is unacceptable according to this philosophy : > http://www.openbsd.org/policy.html >=20 > What is the philosophy of FreeBSD about the licenses? On the whole: pragmatic. Most of the FreeBSD source code uses the FreeBSD license (no surprise there), but the project is happy to use code licensed under similar terms -- like the MIT or ISC licenses. Ultimately the aim is to have the whole system licensed under such terms.= However, where there is a compelling reason, and where it does not impose restrictive terms on the entire FreeBSD project, we are prepared to use GPLv2 or earlier code. Not GPLv3 though -- the onerous, viral terms there immediately rule it right out. This is why the system compiler stuck at gcc-4.2 for a long time, and is now being replaced by clang. We're also happy to import CDDL code (read: ZFS) which could not be used with recent GPL versions. Eventually we'll have a completely GPL free system. It's mostly useful now with the GPL'd bits omitted, and many embedded software and other companies are currently using it like that. Cheers, Matthew --=20 Dr Matthew J Seaman MA, D.Phil. 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