From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: Abysmal state of GTK build Date: Tue, 23 Aug 2022 12:02:23 +0800 Message-ID: <87ilmja9ps.fsf@yahoo.com> References: <87ilmlluxq.fsf.ref@yahoo.com> <87ilmlluxq.fsf@yahoo.com> <83h725deo3.fsf@gnu.org> <87bksdltah.fsf@yahoo.com> <87r119bni8.fsf@gmail.com> <87v8ql4kwk.fsf@melete.silentflame.com> <87tu65ilq2.fsf@telefonica.net> <87fshpgjsg.fsf@yahoo.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29104"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) Cc: ofv@wanadoo.es, emacs-devel@gnu.org To: Richard Stallman Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Aug 23 06:07:18 2022 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 1oQLCA-0007PK-Et for ged-emacs-devel@m.gmane-mx.org; Tue, 23 Aug 2022 06:07:18 +0200 Original-Received: from localhost ([::1]:45856 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oQLC8-0005O6-GP for ged-emacs-devel@m.gmane-mx.org; Tue, 23 Aug 2022 00:07:16 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:43270) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oQL7f-000225-IO for emacs-devel@gnu.org; Tue, 23 Aug 2022 00:02:39 -0400 Original-Received: from sonic314-22.consmr.mail.ne1.yahoo.com ([66.163.189.148]:34860) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oQL7d-0006Bc-R8 for emacs-devel@gnu.org; Tue, 23 Aug 2022 00:02:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1661227355; bh=4pxbwK1p00BrBePKEYmzFuBBvRLrht2MmWojb/2JuEk=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From:Subject:Reply-To; b=PTJ6rVXHZFYlGaN4r6gZBUojI6Bh6yVYEiIM9OxbeNBjyyHXP9as9bTI6L9WErEVX8j8QkCWYORXWEM0D+8lZfzMpVN5yd6GEPN/JFb2jMqk8eD3hEjyXVcn9Jl1aV1S98+bKW2DGgWd8lBFl7/1hFAbthlUnfkKe3DX3kCLQXMZmknT4bqNBP7zlK0s+phyYSgpPWKd9OXLdPL2tB6vn9Zx3VYJOtiH8467vtz34tbeVpTeEwdUgoQLGc4a2lvSPW5jpK5H5OB7RV5t/fE71Cq+q/U3fy5cB9MaTWZrJmMv0bxXwjGed/uU/X4lajXDx6lTrfz+8FK6TlK0DseYtA== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1661227355; bh=PnC5d9fLGENR3hdCE0Ukko3mvpR0qlV96pAam2EmN74=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=WLr9Uvs/fFeZPpRSQ1XqQ9TGr+2cMmPqD+H5x0OZZY9qK0D+szOr3Zw+H0PSTA0fL3fJ5vhhvhCz9pmJlPw/WKfAGysl3t5wjobqTYRHsphcn8vq1wLOFmYWXJNm8uHyTXtBtiZWHU6ZDOUJ/li/d78R7nRY57qYn/uBGIbBXXwxLx/yr4b6qLqdH6LC2xIPQ82EJDiGYZ6e1PvtvOQ1WgSZ+6TFnMgneVWcgEojLRP4v9PgNEXJ9sF3Dofxt3amQ7M0ghktr/tFic/DrUzr0YxCATUIw6RJBouIaDe2WbLdtcSPhADyvPbmIQsx1JbsCdxWhZRkVqKzpTxQiDU7og== X-YMail-OSG: WOkWtfEVM1mA9ru57gQkzOcinuK678KmK1m2SCXjvavfpPE7BY.tEeuALW1mTjw oM.ap5_OFZdWMNWs3joauaMJmR.EzZcP0gWSYiUCpvmh25aUY7v62P5dTDw7lchVQvaZs0zPZBfY EwkXHb4lvpcW4xQRPtn5sk7frKnlTRtllRQcN2KWbc4lEftbNoEVRMzJDVs5ezXpaNuP9D5FZ3Sn 1Ul_QUiOJ40vX4U.vdLiCTHG0mvqzxrS_Wegv1IGhcUMZnt525OXhi9n_6SOS.ATsMVP0jTCjgjE aR3tL.8hZ2u3qMEToX9d1Nf3ijJSB7z1X_HYntjI9XMz0ju7uJwn1Pwx05EEhDwDZZ6iIGop60YL hpBCcv_68Ryrb.5My7FVYLaOZDT26g4PEg_2YOi3_zAJA2NGHxMVlMMGaUskWZFt677LULAzGvhd _DsIbV9.rGlxhS4Bw2.2Lj.sBXJOwVh1MsGeVSkc8a_hPj6DM_cj9peXwo4NFnk9uAgIh_.pDA9z 8zUKP70YP8cQMP4cilyHQKFtqURl2p8MAZ8xs1q3W0Lnl86Ps_.hvUQAO47hQqrjCD_Qt2PHaAUu Yytna0BZlBnl9VmMwViUIiH3uCcaR.c7zvmzPLV6Xh4m5sd4x93b3U4Vur.co00aFvhF1AYzeYDx D5NqbN_s6qVTrHkQnZJi30QejJ0yTBsIHDCThVlghFqqT2aBynEmMmqhiX9vuZy7BOagR3xeBsaK 71pYmH.Gc.7Bk2KZF0Pw69uMJ406zHF5BOlZtjMAPuZRpI6qCL8bN98Ml10nWQUoUSXYfMtHVZfh naMf245TWpKa3tVhuu5xDlRclLsXPEwCLMtpspyqBN X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic314.consmr.mail.ne1.yahoo.com with HTTP; Tue, 23 Aug 2022 04:02:35 +0000 Original-Received: by hermes--canary-production-sg3-6f58cd9b5-pcmsn (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID f7397befcdd176f58b8bfc524fb8a927; Tue, 23 Aug 2022 04:02:30 +0000 (UTC) In-Reply-To: (Richard Stallman's message of "Mon, 22 Aug 2022 23:44:24 -0400") X-Mailer: WebService/1.1.20560 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.189.148; envelope-from=luangruo@yahoo.com; helo=sonic314-22.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action 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" Xref: news.gmane.io gmane.emacs.devel:293847 Archived-At: Richard Stallman writes: > That might affect the issue. Can you explain this more? > > You recommended we look at haiku_support.cc to see this technique. > But that file is 4000 lines long. I can't look through so much > hoping to recognize the part you refer to. > > Could you please describe concretely the technique you refer to, or > show precisely what code in that file illustrates it? Basically, the file provides a C wrapper around C++ functions. All of those C wrapper functions are declared in haiku_support.c, and have C linkage, meaning that they can be called from C code. Instances of C++ objects are passed to C as pointers to void, and C code interacts with the C++ objects through only the wrapper functions. It doesn't include lisp.h, dispextern.h, keyboard.h, or any other header that is part of the Emacs C code, and only calls functions declared there through function pointers explictly provided by the C code in haikuterm.c (and other pieces of code in C.)