From owner-freebsd-ports@freebsd.org Tue Dec 12 05:09:42 2017 Return-Path: Delivered-To: freebsd-ports@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 19343E8D743 for ; Tue, 12 Dec 2017 05:09:42 +0000 (UTC) (envelope-from gurenchan@gmail.com) Received: from mail-it0-x230.google.com (mail-it0-x230.google.com [IPv6:2607:f8b0:4001:c0b::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C88886C464; Tue, 12 Dec 2017 05:09:41 +0000 (UTC) (envelope-from gurenchan@gmail.com) Received: by mail-it0-x230.google.com with SMTP id d137so21330933itc.2; Mon, 11 Dec 2017 21:09:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=NXhNiULCidO8k7YvHTkMrT7m6p35tVs/a0eBeF2OK2Y=; b=jqM/SLO9mWedVpIwA9+mXn2QuwBuH3BgILXBb1f4KIwBakt/boH2BlZY6VExt5Chtc j1LloVCo5KasaP+Z4YLzJ6/RaTRzZG8dzwCGTNBCeqErXEH5VRTs4ksIC1EJQxyi8Ger 4tHBl9FvetiVWNCLg9PUNplZMskVoSEmAIoJ7iCX0oCXIEjlD1wtTu2jc3raNCIR1Za7 T1Gne1GC2tY8ij/e/m8TVJzrIHze7bU6lNgP3iaVzj2RTjLfJBRqVLCOWaBn0LMkC6Wu xEZaT+ZxfLgLV+zZ+w7PtfmjZcz6DSZazhSVxw7fpiJ0DQd4mehW11zROJR6EpH1wni0 4dag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=NXhNiULCidO8k7YvHTkMrT7m6p35tVs/a0eBeF2OK2Y=; b=RVR7fQL3dfu8+hOsmtlbDh6tbqHcGS3XndCTEAMAml5RXVv7wJIHlX4pTPrf3dsuo+ BrbMqmDMsowipaO+W74vsepH20lzJCVHW7VWSuc6GHjsYf0DqcpitaKoEIDaBx8EHjPH Z+ijOVHoB3/A61wARmlj1OsUYmZB9E4rypU+k/im3mtM80cF93Zy8KMZCMxl3xt01Zz7 QPoj/VWGlw09PIli8TnC1eupojZN/Q9kp2h2sxwJ4jFT+E7Riqugsv2A3RDv/PN4Yo2q 43MEsjzyIm4yAO/AblBwJwp8m5eaupQCwevUkdXvcJ6sPl3xDHAB1U3sW5q1H81oeYHu lIWw== X-Gm-Message-State: AKGB3mJGGCARdFLk3WBPtc2w/R0Chiy+jLlfXD9h2juLO6ibmWoUBtpF u5shBNKAIh7NdA9TDJLwE8MB1Mm6akJyePgLivw= X-Google-Smtp-Source: ACJfBot886sefcT9tTtYHXgoaqf0dnXGUWuRp9JfJIYZsJscWjoyxHb5lz6rAwhw4zVmLC4BBAllSivr9h2ql3PQMHg= X-Received: by 10.36.67.141 with SMTP id s135mr890088itb.149.1513055380871; Mon, 11 Dec 2017 21:09:40 -0800 (PST) MIME-Version: 1.0 Received: by 10.107.11.31 with HTTP; Mon, 11 Dec 2017 21:09:40 -0800 (PST) In-Reply-To: <20171211220910.GQ78437@eureka.lemis.com> References: <6309a4943c5761241e64f8133c837486@udns.ultimatedns.net> <20171211220910.GQ78437@eureka.lemis.com> From: blubee blubeeme Date: Tue, 12 Dec 2017 13:09:40 +0800 Message-ID: Subject: Re: License and adopting software To: "Greg 'groggy' Lehey" Cc: Chris H , Jonathan Chen , FreeBSD Ports Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.25 X-BeenThere: freebsd-ports@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Porting software to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Dec 2017 05:09:42 -0000 On Tue, Dec 12, 2017 at 6:09 AM, Greg 'groggy' Lehey wrote: > [format recovered] > > On Sunday, 10 December 2017 at 23:31:33 -0800, Chris H wrote: > > On Mon, 11 Dec 2017 12:24:53 +0800 "blubee blubeeme" < > gurenchan@gmail.com> said > >> On Mon, Dec 11, 2017 at 12:21 PM, Jonathan Chen > wrote: > >>> On 11 December 2017 at 17:17, blubee blubeeme > wrote: > >>>> I like some old software that's <= GPL2 but it seems like the original > >>>> developer is not and have not done any work on the software sine mid > >>>> 2000. > >>>> > >>>> I'd like to pick up the project, fix bugs BUT i'd like to migrate > >>>> from GPL to BSD license. > >>>> > >>>> How does one go about doing that? I have seen the GPL code but it > >>>> could be re-written how would that affect me re-writing the code > >>>> with a new copy center license? > >>> > >>> You basically have to get the original author to reassign copyright to > >>> you; after which you can do whatever you like to it. If you're basing > >>> your new work on the original work, you have to respect the LICENCE > >>> that it came with. > > > > It's also worth noting; you can dual-license it. That is: > > their code == their license > > your code (additions) == your license > > No, you can't. Read the conditions of the GPL license. If you add > code to a GPL product, the additions become subject to the GPL. > > Greg > -- > Sent from my desktop computer. > Finger grog@FreeBSD.org for PGP public key. > See complete headers for address and phone numbers. > This message is digitally signed. If your Microsoft mail program > reports problems, please read http://lemis.com/broken-MUA > I remember reading the history of FreeBSD and in the early days when parts of what eventually became FreeBSD was re-written. They obviously seen the prior closed source ATT source code and "re-wrote" it giving it a BSD license. It would be cool to hear how they were able to go about it. Anyone been through the process care to share their experience?