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[174.26.202.167]) by smtp.gmail.com with ESMTPSA id br9sm2923525pjb.56.2020.07.14.09.59.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 14 Jul 2020 09:59:05 -0700 (PDT) To: freebsd-stable@freebsd.org, yuri@FreeBSD.org From: Don Wilde Subject: quirk in libpng16.{a|so} Message-ID: <05550c7e-e76b-5373-03ec-8e9008f3927f@gmail.com> Date: Tue, 14 Jul 2020 09:59:03 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Rspamd-Queue-Id: 4B5mvH5yXLz3VZS X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=nSwIg1Dd; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of dwilde1@gmail.com designates 2607:f8b0:4864:20::633 as permitted sender) smtp.mailfrom=dwilde1@gmail.com X-Spamd-Result: default: False [-3.53 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; RECEIVED_SPAMHAUS_PBL(0.00)[174.26.202.167:received]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.005]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; NEURAL_HAM_MEDIUM(-1.05)[-1.048]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::633:from]; NEURAL_HAM_SHORT(-0.48)[-0.477]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim] X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Jul 2020 16:59:09 -0000 Hi, Yuri -- I understand that you maintain the png++ "C++ wrapper for libpng"? There's a game engine I'm trying to work with on my 12-stable system, called Drag[en]gine. https://dragondreams.ch/ It's a complicated port, and I'll end up tweaking some heavy-duty OpenGL graphics to get it to do stuff for me. The first issue is that our libpng16 library is missing a C++ call: png_access_version_number(), which causes its setup program (a Python script)to crash. I have both png and png++ installed and both libpng16.so and libpng16.a are present. I'm in the process of (also) installing it on my Ubuntu 18.04.4 machine. It hasn't given me this libpng16 issue. What do you think of this problem? Is this yours or is it the actual libpng library itself? -- Don Wilde **************************************************** * What is the Internet of Things but a system * * of systems including humans? * ****************************************************