From owner-freebsd-users-jp@freebsd.org Tue Dec 17 07:46:09 2019 Return-Path: Delivered-To: freebsd-users-jp@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id B487E1DED6E for ; Tue, 17 Dec 2019 07:46:09 +0000 (UTC) (envelope-from hrs@allbsd.org) Received: from mail.allbsd.org (mx.allbsd.org [IPv6:2001:2f0:104:e001::41]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature ECDSA (P-384) client-digest SHA384) (Client CN "mail.allbsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47cVZ54sKtz3xlp for ; Tue, 17 Dec 2019 07:46:05 +0000 (UTC) (envelope-from hrs@allbsd.org) Received: from mail-d.allbsd.org ([IPv6:2409:11:a740:4700:58:65ff:fe00:b0b]) (authenticated bits=56) by mail.allbsd.org (8.15.2/8.15.2) with ESMTPSA id xBH7jcVq071241 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=OK) (Client CN "/CN=mail-d.allbsd.org", Issuer "/C=US/O=Let's+20Encrypt/CN=Let's+20Encrypt+20Authority+20X3"); Tue, 17 Dec 2019 16:45:49 +0900 (JST) (envelope-from hrs@allbsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=allbsd.org; s=20190220; t=1576568758; bh=wyL7ZngFLCKII945byUVPTHicRb2fjSTq0HOwYEznF8=; h=Date:To:Cc:From:In-Reply-To:References; b=MBCtjWtdysrJKYZIyOiZ61FaNkB7clklCe4PyDuadkiFqw7tgOQvbc1ulkNlbvtbQ LgNklvEeiHVmpvI4pruxJbG+hlJMjKrnmgoRahpa8MADnFkzCSaWb79k933imr+kdv 3Vvw90+TH5k72VrV1aj8XGUdQ6BEhvzapBNtdFFo= Received: from alph.d.allbsd.org ([IPv6:2409:11:a740:4700:16:ceff:fe34:2700]) by mail-d.allbsd.org (8.15.2/8.15.2) with ESMTPS id xBH7jWM8079647 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Tue, 17 Dec 2019 16:45:33 +0900 (JST) (envelope-from hrs@allbsd.org) Received: from localhost (localhost [[UNIX: localhost]]) (authenticated bits=0) by alph.d.allbsd.org (8.15.2/8.15.2) with ESMTPA id xBH7jWFF079644; Tue, 17 Dec 2019 16:45:32 +0900 (JST) (envelope-from hrs@allbsd.org) Date: Tue, 17 Dec 2019 16:44:48 +0900 (JST) Message-Id: <20191217.164448.1410129611212895289.hrs@allbsd.org> To: kh@mogami.com Cc: freebsd-users-jp@freebsd.org From: Hiroki Sato In-Reply-To: <20191206112751.9f76dc8c32a78069771f7518@mogami.com> References: <4EB0BAFB-2929-44E5-BF35-A9ED563D2B5A@gmail.com> <20191206095852.fc4c25159b662f085fc24d5d@mogami.com> <20191206112751.9f76dc8c32a78069771f7518@mogami.com> X-Old-PGPkey-fingerprint: BDB3 443F A5DD B3D0 A530 FFD7 4F2C D3D8 2793 CF2D X-PGPkey-fingerprint: 6C0D 2353 27CF 80C7 901E FDD2 DBB0 7DC6 6F1F 737F X-Mailer: Mew version 6.8 on Emacs 26.2 Mime-Version: 1.0 Content-Type: Multipart/Signed; protocol="application/pgp-signature"; micalg=pgp-sha512; boundary="--Security_Multipart(Tue_Dec_17_16_44_48_2019_018)--" Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.6.2 (mail.allbsd.org [IPv6:2001:2f0:104:e001:0:0:0:41]); Tue, 17 Dec 2019 16:45:58 +0900 (JST) X-Rspamd-Queue-Id: 47cVZ54sKtz3xlp X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=allbsd.org header.s=20190220 header.b=MBCtjWtd; dmarc=none; spf=pass (mx1.freebsd.org: domain of hrs@allbsd.org designates 2001:2f0:104:e001::41 as permitted sender) smtp.mailfrom=hrs@allbsd.org X-Spamd-Result: default: False [-5.57 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[allbsd.org:s=20190220]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; MV_CASE(0.50)[]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[allbsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; RCVD_COUNT_THREE(0.00)[4]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[allbsd.org:+]; RCPT_COUNT_TWO(0.00)[2]; MID_CONTAINS_FROM(1.00)[]; SIGNED_PGP(-2.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:7514, ipnet:2001:2f0::/32, country:JP]; IP_SCORE(-2.47)[ip: (-9.29), ipnet: 2001:2f0::/32(-4.39), asn: 7514(1.32), country: JP(0.03)] X-Mailman-Approved-At: Tue, 17 Dec 2019 08:00:08 +0000 Subject: [FreeBSD-users-jp 96517] Re: =?iso-2022-jp?b?RnJlZUJTRC0xMi4xIBskQiROGyhCIGxpYkdMVS5zbyA=?= =?iso-2022-jp?b?GyRCJE5MZEJqGyhC?= X-BeenThere: freebsd-users-jp@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion relevant to FreeBSD communities in Japan List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Dec 2019 07:46:09 -0000 ----Security_Multipart(Tue_Dec_17_16_44_48_2019_018)-- Content-Type: Text/Plain; charset=iso-2022-jp Content-Transfer-Encoding: 7bit 佐藤です。 Kouichi Hirabayashi wrote in <20191206112751.9f76dc8c32a78069771f7518@mogami.com>: kh> > g++ -o a a.cpp -I/usr/local/include -L/usr/local/lib -lc++ -lglut -lGLU -lm kh> > と -lc++ を真っ先にリンクしてみてください。 kh> kh> で、うまくゆくようです。助かりました。 これだと libstdc++ と libc++ の両方がリンクされた状態になると思います。 初期化に失敗するという問題は回避でき、コンパイルもとおるのですが、 libstdc++ と libc++ には完全な互換性がありませんので、 標準ライブラリ関数の呼び出し等で問題が出る可能性があります。 「clang++ と libc++ を使ってコンパイルしたバイナリ」を 「g++ でコンパイルしたバイナリ」を組み合わせたい（つまり libc++ を使う）場合、 g++ には libc++ だけをリンクするように指示を出す必要があります。 また、C++ の標準ヘッダファイル群も libc++ 用のものを 使わないといけないため、具体的には、次のようなオプションを 並べる必要があります。残念ながら、一発で切り替える便利な オプションはありません。 % g++ -nostdinc++ -I/usr/include/c++/v1 -nodefaultlibs -lc++ -lc -lm -lgcc_s -- Hiroki ----Security_Multipart(Tue_Dec_17_16_44_48_2019_018)-- Content-Type: application/pgp-signature Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iMcEABMKAC0WIQRsDSNTJ8+Ax5Ae/dLbsH3Gbx9zfwUCXfiHcA8caHJzQGFsbGJz ZC5vcmcACgkQ27B9xm8fc3/jbwIHU8DZQ6DUFnydwWSspY5+JBAuAkOiaUYG/wPv 1Zg/fWCBg6Vh37Y+j/EJfhJTMIKynqCjLXGjwCSDxk+t3E/lqk0CCM8ldHy6iK2p nTsTKnYQTzxybpOESx332SiICme8DiNfpTa2/t1DrOi4F2K1xy3L4G8lJtFMExeD ozZAk82wAhL8 =4abl -----END PGP SIGNATURE----- ----Security_Multipart(Tue_Dec_17_16_44_48_2019_018)----