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Tue, 6 Oct 2026 14:10:08 +0000 Received: from dip98.lsn.bf1.yahoo.com ([67.195.177.107]) by hello (SMTP) with SMTP ID 0f03f49f25812f44a6a331714782e701; Tue, 06 Oct 2026 14:10:07 +0000 (UTC) From: Daniel Ramos <capitain_jack@yahoo.com> To: submit@bugs.debian.org Subject: netgen: GUI does not start without libnglib-dev: loads the unversioned libnggui.so Date: Tue, 06 Oct 2026 11:10:04 -0300 Message-ID: <179129580423.820801.13339848401568697496@yahoo.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 References: <179129580423.820801.13339848401568697496.ref@yahoo.com> X-Mailer: WebService/1.1.26668 mail.core.serving.mcws.prd.acl:role.token.mcws.jsmtp.yahoo Content-Length: 1506 Delivered-To: submit@bugs.debian.org Package: netgen Version: 6.2.2606+dfsg1-1 Severity: important Dear Maintainer, With only netgen installed, the graphical interface does not start: $ netgen NETGEN-6.2.2606 ... Error in Tcl-Script: result =3D couldn't load file "libnggui.so": libnggui.so: cannot open share= d object file: No such file or directory ng/ng.tcl loads the GUI library by its unversioned name: load libnggui[info sharedlibextension] gui In the Debian packaging that name exists only in libnglib-dev (debian/libnglib-dev.install: usr/lib/*/libnggui.so), while the runtime package libnglib-6.2t64 ships libnggui.so.6.2 and libnggui.so.6.2.2606. Installing libnglib-dev makes the GUI start, which is why it is easy to miss on a development machine. A possible correction is a Debian patch that loads the library by its SONAME, so no -dev symlink is needed at run time: - load libnggui[info sharedlibextension] gui + load libnggui[info sharedlibextension].6.2 gui Note that the netgen binary does not read ng/ng.tcl at run time: the Tcl sources are compiled into ng/onetcl.cpp, which is committed pre-generated in the source tree. The same change has to be made in ng/onetcl.cpp (or onetcl.cpp regenerated during the build), otherwise the patch has no effect. Steps to reproduce, in a clean debian:testing container: apt-get install netgen xvfb xauth xvfb-run -a netgen Found while packaging a stereo 3D version of netgen for Sparky Stereo OS, an edition of SparkyLinux. Regards, Daniel Campos Ramos ]