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: Merging feature/android Date: Fri, 03 Mar 2023 17:51:08 +0800 Message-ID: <87ttz2w4c3.fsf@yahoo.com> References: <87edq7ztks.fsf.ref@yahoo.com> <87edq7ztks.fsf@yahoo.com> <83pm9reccn.fsf@gnu.org> <87v8jjxxo9.fsf@yahoo.com> <835ybje2u5.fsf@gnu.org> <87fsanxoah.fsf@yahoo.com> <83zg8vckx5.fsf@gnu.org> <87bklay7wg.fsf@yahoo.com> <83ilficn4k.fsf@gnu.org> <87zg8uw9b9.fsf@yahoo.com> <837cvycjse.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="6928"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: emacs-devel@gnu.org, eggert@cs.ucla.edu To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Mar 03 10:52:27 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 1pY25S-0001Z7-5y for ged-emacs-devel@m.gmane-mx.org; Fri, 03 Mar 2023 10:52:26 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pY24V-000457-EN; Fri, 03 Mar 2023 04:51:27 -0500 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 1pY24P-00043x-Sj for emacs-devel@gnu.org; Fri, 03 Mar 2023 04:51:22 -0500 Original-Received: from sonic307-56.consmr.mail.ne1.yahoo.com ([66.163.190.31]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pY24O-00005C-9i for emacs-devel@gnu.org; Fri, 03 Mar 2023 04:51:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1677837075; bh=Ot9Y1RlcjDwoWVBJmUwU4VUB8eLswhT9n5dwGWA0gjE=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From:Subject:Reply-To; b=Zls/wMozs6/3z8Be5kpiwt1Co/Koz8IClPVjHqxTg1OX6M0tbjeX4OaEAL3g8gFMgKoKOmADMm4mmKOOAX5T8rel6RzidcD11hdVRPdAQLbn8UnAeqkwGjJmFsZFvwd9Jz3KzLAK/KwKn9HVTwosQVpOWmWa5fWUPf2Mxv/F8g2c2d9u6dW/FeummxqZVczG94tI2pspFcVezbmPHM4OlvsQ8ZDLrBWvC3jGwjYBLwt2+8XGEYwSZkcMYO1dPzP4Ww9rBhPWq2cDGI4MuibCNSwGPfd0s9u4tV6HErtC3VTyXs5fSz4qRZiPhFg8p96enZTdl2aOq0FHK2LFXPTC4g== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1677837075; bh=YoKmN4HerN5rtPPQ7lKvz4iqwJzwsZdCG3HzdglEnQt=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=TZo+Bi2WoST26r/39Rx0gWpsEVj+RGHtmufdcftTwQ1visyfbtn5FjRbixzmfaPA5iXTWN9aSk20iAMyMCJmMtAfltHBxBTXf5QBEVKa3ar0tGkh4lFohlzlC7RAEAQ1Co7xB5vZ4oBItwTNmAGkuSuD4J3d56wo4jaRl+FR6qw81uUGtvnNeiNFACDz2MBRX9AhbVnmr5ZeGjE2HEOKC4JZiyJaZSr9mBV0rrKFL4USYKzKiKs4HevLJ2W6SX14LLnyQREUGKCA/fO9XMUKaZOX6ptI9TVgEDOTdSAAgjf3vALvQJEFFYDq8/mrATSdIlLvhSNxW7l67BH7vxrJMg== X-YMail-OSG: LcPPzv4VM1n6SJesa_FZ6D3grdVn6SeGiIyeI2afzFLbVHhItttZUQTQt2Sv07Z 3sB9gvnKhft16qRsMEok2UWGHKd0o2uud88NTM8.o49MI6OFFABEcjITwb29e288UM4VrW4ZTcfw beYmZIIlU6oCSeUoQz0FYMab82dWo9r6uLeeXV.8oqcLIAf36pCGxkP6.tKFJfNKm6QQlmokDIbS 2b6BHi0dOx8dgnr0z4gfHYPsgavgp2siPrxXvK92YMkU4UHUToyIkfaPzV3BE_nplGgjD2rEWI84 zcI4B_FJQfFkslYv3nftnoNHHrmJe67AGdzyGZ4Km4Br4HHP4vZvZKchJzLIFCPxzvThRV5s0319 EV3BinHloC4zxhaOMVU5Vg7dsDk_TMyvKJXVXBqI0W9srlO_MnIQhuTtcqvMsk5Akyufv2Tan6AC gzkCvdHrYMdt6amQ52YLT5GDY7SN_xAVmqgbk7s1KardQAq80DEQxB86PvWm5Pk__TZFtm4LHHzB n7FY.VYMRs3_YqkohqLprDl45yU5bBQWEHl7ej80RBxfYNN93BlVx4ktPgNaWPCQjFBJ6sYQCn6N PhTFxjVu3WswQROhFLdk2fQpCG5TqjtOdyItQRx0imBXPWSkgcJYVhTMz_Y4DnrzIqZUYnFJadr6 LZFGPUikSH1xFSn5BuSM3cXwmF7qqUn353E3RJ9aVHy86TZxSieSlAJnSo32aZNzeLPWClVpGvRV AH7e1sO5P5ri_ZAKWp18VVKvypsFb4VB9WnZ21jlhFjvXeLz024ehzYIyCpagsZ497GXiqb0abIi uY4TqZSZE31x8CTCa7BMhp.2eQEHq4MFU2hCVb709l X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic307.consmr.mail.ne1.yahoo.com with HTTP; Fri, 3 Mar 2023 09:51:15 +0000 Original-Received: by hermes--production-sg3-67c57bccff-9pwhc (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID 9d088f4737c2b0f03d2672982b3ec0f1; Fri, 03 Mar 2023 09:51:12 +0000 (UTC) In-Reply-To: <837cvycjse.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 03 Mar 2023 10:37:37 +0200") X-Mailer: WebService/1.1.21221 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.190.31; envelope-from=luangruo@yahoo.com; helo=sonic307-56.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 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:303919 Archived-At: Eli Zaretskii writes: >> From: Po Lu >> Cc: emacs-devel@gnu.org, eggert@cs.ucla.edu >> Date: Fri, 03 Mar 2023 16:03:38 +0800 >> >> Eli Zaretskii writes: >> >> > If not, please explain more, because I don't think I understand what >> > you say above. >> >> I was saying that the HarfBuzz check currently doesn't show an error >> when it is enabled with ``--with-harfbuzz'' and HarfBuzz is not found. > > That's strange, because image libraries use the same OPTION_DEFAULT_ON > way, and I definitely remember seeing an error message when I used the > "--with-gif" option and the library wasn't available. The message > suggested using ifavailable instead. > >> The reason is precisely that the option doesn't default to ifavailable; >> as a result, configure cannot tell apart the two cases where >> $with_harfbuzz is specified on the command line, and when it is simply >> set to yes as its default value. That's why ifavailable is required. > > Do you see the same with image libraries? Image libraries default to being on, while also accepting ``ifavailable'' as an option. The default values of the options for the common image libraries is not ``ifavailable'', because we want configure to error out by default if the library is not present. Thanks.