From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: zlib autoconf question Date: Mon, 12 Aug 2013 12:05:30 -0400 Message-ID: References: <20995.38193.299757.55244@a1i15.kph.uni-mainz.de> <20999.62420.118305.428747@a1i15.kph.uni-mainz.de> <83a9knr5px.fsf@gnu.org> <83r4dzos23.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1376323559 18172 80.91.229.3 (12 Aug 2013 16:05:59 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 12 Aug 2013 16:05:59 +0000 (UTC) Cc: ulm@gentoo.org, larsi@gnus.org, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Aug 12 18:06:00 2013 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1V8ud4-0006b2-Cu for ged-emacs-devel@m.gmane.org; Mon, 12 Aug 2013 18:05:58 +0200 Original-Received: from localhost ([::1]:57389 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V8ud3-0003FZ-UV for ged-emacs-devel@m.gmane.org; Mon, 12 Aug 2013 12:05:57 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42314) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V8ucu-0003Bo-2L for emacs-devel@gnu.org; Mon, 12 Aug 2013 12:05:55 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V8ucm-0007Cl-Ak for emacs-devel@gnu.org; Mon, 12 Aug 2013 12:05:47 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.182]:6076) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V8uce-0007AV-62; Mon, 12 Aug 2013 12:05:32 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av4EABK/CFFLd/Nq/2dsb2JhbABEvw4Xc4IeAQEEAVYjBQsLNBIUGA0QAROIHgbBLZEKA6R6gV6DEw X-IPAS-Result: Av4EABK/CFFLd/Nq/2dsb2JhbABEvw4Xc4IeAQEEAVYjBQsLNBIUGA0QAROIHgbBLZEKA6R6gV6DEw X-IronPort-AV: E=Sophos;i="4.84,565,1355115600"; d="scan'208";a="21508688" Original-Received: from 75-119-243-106.dsl.teksavvy.com (HELO pastel.home) ([75.119.243.106]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 12 Aug 2013 12:05:24 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id D603962FC1; Mon, 12 Aug 2013 12:05:30 -0400 (EDT) In-Reply-To: <83r4dzos23.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 12 Aug 2013 18:19:16 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 206.248.154.182 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:162623 Archived-At: > That's similar to what the Windows port does with all the optional > libraries: the headers are required during the compilation, but the > libraries are not. They are loaded when needed, with the equivalents > of dlopen and dlsym. With an FFI you don't even need the headers. The library could be used even if it didn't exist back when Emacs was built. Stefan