From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.devel Subject: Re: [PROPOSAL] Builder, a build system integration for Emacs Date: Sun, 28 May 2023 17:48:39 -0400 Message-ID: References: <95980ffc-86e7-ad54-4a20-539d8c6ea5d0@mailo.com> <3f68f4bc-d426-0bcc-1329-674c12b29386@mailo.com> <76e12f7c-335f-476b-ffb3-fd8e8e4ab5d0@mailo.com> <87pm6rx4ea.fsf@yahoo.com> <87wn0ytefw.fsf@gmail.com> <83h6s0n95y.fsf@gnu.org> Reply-To: rms@gnu.org Content-Type: text/plain; charset=Utf-8 Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40236"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: Yuri Khan Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun May 28 23:49:18 2023 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q3OGM-000AES-6G for ged-emacs-devel@m.gmane-mx.org; Sun, 28 May 2023 23:49:18 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q3OFq-0006ew-Dg; Sun, 28 May 2023 17:48:46 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q3OFk-0006bG-IN for emacs-devel@gnu.org; Sun, 28 May 2023 17:48:44 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q3OFk-00014c-9m; Sun, 28 May 2023 17:48:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=Date:References:Subject:In-Reply-To:To:From: mime-version; bh=WtPUwCSWay45NqBunme7nR2+wKhHskygcwtXEoejlpo=; b=rdXlkFvT03Qn 1TSDhfZE4FtYPYIdpvfldZL9PQenEUikCvJ34zhgpqfne0JD7dlnt72+bcpmEvJkSw7HSvjZdjrCX JSlWyHKk0gfgdTlK74Gw+dQ/XlWeh+Zr1Gdv0yF6IQAL8CXVtQcYytdLdzaS2yU4n7vx5dXf0U6ZH hfbCSizcC6khRMO7zBQYWBBDh0XKZsje3wZx3WO8nwG0YJ6KvEU+qjFOAGyxGPZm03fnW8Z7mVxck FJIAEwNM5Lhx8FR69X4inoASw+m/htZyiYFBYxVHgARZvwtPF0/DHZKq9fh6BpjrQhpV7YfriyDex d270UElaXApIwdgcYgYxgg==; Original-Received: from rms by fencepost.gnu.org with local (Exim 4.90_1) (envelope-from ) id 1q3OFj-0000iA-Tk; Sun, 28 May 2023 17:48:39 -0400 In-Reply-To: (message from Yuri Khan on Sat, 27 May 2023 16:45:41 +0700) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:306381 Archived-At: [[[ To any NSA and FBI agents reading my email: please consider ]]] [[[ whether defending the US Constitution against all enemies, ]]] [[[ foreign or domestic, requires you to follow Snowden's example. ]]] > The author of a program selects libraries to work with and specifies > them explicitly in the program build configuration. If those > libraries, in turn, depend on other libraries, a build system resolves > the full transitive closure of dependencies. If the program and each > library specify constraints on versions of their dependencies, the > build system is expected to validate that they are all satisfied, > and/or to find a set of versions that together satisfy all > constraints. Thanks for explaining this. What sort of "constraints on versions of their dependencies" are possible? Are these numeric comparisons? -- Dr Richard Stallman (https://stallman.org) Chief GNUisance of the GNU Project (https://gnu.org) Founder, Free Software Foundation (https://fsf.org) Internet Hall-of-Famer (https://internethalloffame.org)