# \#package

**URL:** https://discourse.slicer.org/tag/package/61.md

[Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md)

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## [Slicer Build Environment Upgraded to \`qt5-almalinux8-gcc14\`](https://discourse.slicer.org/t/slicer-build-environment-upgraded-to-qt5-almalinux8-gcc14/43802)

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**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Replies:** 12\
**Last updated:** [December 16, 2025, 4:05pm UTC](https://discourse.slicer.org/t/slicer-build-environment-upgraded-to-qt5-almalinux8-gcc14/43802 "2025-12-16T16:05:20Z")

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The build environment used for generating Slicer Preview and its extensions has been upgraded from qt5-centos7-gcc7 to qt5-almalinux8-gcc14. This update brings improved C++ standards support, better compatibility with m…

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## [How to package Slicer built with a loadable module?](https://discourse.slicer.org/t/how-to-package-slicer-built-with-a-loadable-module/44964)

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**Author:** [@Suhaim](https://discourse.slicer.org/u/Suhaim)\
**Replies:** 1\
**Last updated:** [November 5, 2025, 5:35am UTC](https://discourse.slicer.org/t/how-to-package-slicer-built-with-a-loadable-module/44964 "2025-11-05T05:35:26Z")

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Hi everyone, I am creating this post as a reference for anyone who was wondering on how to package slicer built with a custom loadable module. I was not able to find any documentation on this, please correct me if I am …

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## [Packaged tar file of an extension does not contain any executable](https://discourse.slicer.org/t/packaged-tar-file-of-an-extension-does-not-contain-any-executable/44066)

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**Author:** [@Victor\_Wayne](https://discourse.slicer.org/u/Victor_Wayne)\
**Replies:** 0\
**Last updated:** [August 13, 2025, 11:51am UTC](https://discourse.slicer.org/t/packaged-tar-file-of-an-extension-does-not-contain-any-executable/44066 "2025-08-13T11:51:13Z")

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Hello, I am trying to package my extension for distribution. I created a release folder and built the extension using make package. It gave me one tar file. But when I extract it I am not seeing any executable. I insta…

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## [How to package slicer to a zip for publication](https://discourse.slicer.org/t/how-to-package-slicer-to-a-zip-for-publication/43185)

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**Author:** [@zhaokaien](https://discourse.slicer.org/u/zhaokaien)\
**Replies:** 2\
**Last updated:** [June 4, 2025, 10:13am UTC](https://discourse.slicer.org/t/how-to-package-slicer-to-a-zip-for-publication/43185 "2025-06-04T10:13:01Z")

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Hello, I have successfully built Slicer v5.9 from source code, and Slicer runs normally. I’ve also performed custom development on Slicer, and everything works as expected. Now, I need to INSTALL and PACKAGE Slicer so we…

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## [Loadable module with external binary dependencies](https://discourse.slicer.org/t/loadable-module-with-external-binary-dependencies/40667)

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**Author:** [@PatrickR](https://discourse.slicer.org/u/PatrickR)\
**Replies:** 2\
**Last updated:** [December 13, 2024, 12:16pm UTC](https://discourse.slicer.org/t/loadable-module-with-external-binary-dependencies/40667 "2024-12-13T12:16:17Z")

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Hi, I am new to slicer and I am trying to learn extension development for my Company’s internal use. I am currently building an extension with a loadable module. This module depends on a few proprietary libraries distr…

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## [Slicer on Wayland](https://discourse.slicer.org/t/slicer-on-wayland/31054)

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**Author:** [@d-vogel](https://discourse.slicer.org/u/d-vogel)\
**Replies:** 7\
**Last updated:** [August 10, 2023, 1:31pm UTC](https://discourse.slicer.org/t/slicer-on-wayland/31054 "2023-08-10T13:31:41Z")

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Hey everyone, I’ve been messing around a bit today with Slicer due to performance issues and noticed it’s actually running in XWayland on my openSuse TW + KDE plasma Wayland system. Upon starting from the commandline: …

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## [Problem with packages vtkvmtk and pypes](https://discourse.slicer.org/t/problem-with-packages-vtkvmtk-and-pypes/23923)

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**Author:** [@19lollo95](https://discourse.slicer.org/u/19lollo95)\
**Replies:** 4\
**Last updated:** [June 18, 2022, 2:30pm UTC](https://discourse.slicer.org/t/problem-with-packages-vtkvmtk-and-pypes/23923 "2022-06-18T14:30:35Z")

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I am working with a script that imports vtkvmtk and pypes but I keep getting the following error message: No module named ‘vtkvmtk’ … how can I remedy this? Can I install these packages? If so, from where?

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## [Package executables with extension](https://discourse.slicer.org/t/package-executables-with-extension/21415)

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**Author:** [@brandus1](https://discourse.slicer.org/u/brandus1)\
**Replies:** 2\
**Last updated:** [January 17, 2022, 11:44am UTC](https://discourse.slicer.org/t/package-executables-with-extension/21415 "2022-01-17T11:44:37Z")

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Hello, I am building an extension and I need to package with it a couple of executables which I want to call as subprocesses from a scripted python module. This seems the quickest solution for me, avoiding complex buil…

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## [How to install python packages using jupyterlab?](https://discourse.slicer.org/t/how-to-install-python-packages-using-jupyterlab/21343)

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**Author:** [@user4](https://discourse.slicer.org/u/user4)\
**Replies:** 4\
**Last updated:** [January 7, 2022, 8:31am UTC](https://discourse.slicer.org/t/how-to-install-python-packages-using-jupyterlab/21343 "2022-01-07T08:31:51Z")

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Hi all,I am using the Slicer 4.11 and I am stucked with installing packages. Here is the thing in detail: I was trying to install some packages,say matplotlib in Slicer: Also,I tried to install the package in Pyt…

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## [Packaging external projects](https://discourse.slicer.org/t/packaging-external-projects/17664)

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**Author:** [@keri](https://discourse.slicer.org/u/keri)\
**Replies:** 4\
**Last updated:** [May 19, 2021, 3:27pm UTC](https://discourse.slicer.org/t/packaging-external-projects/17664 "2021-05-19T15:27:50Z")

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Hi, Setup: Ubuntu 20.04, SlicerCAT I have external projects in SuperBuild subfolder that I can successively compile. After compilation I want to copy their content to SlicerCAT archive (package them or install - I gues…

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## [Packaging problem on Linux with Qt 5.15.0](https://discourse.slicer.org/t/packaging-problem-on-linux-with-qt-5-15-0/13245)

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**Author:** [@cpinter](https://discourse.slicer.org/u/cpinter)\
**Replies:** 14\
**Last updated:** [September 30, 2020, 2:25pm UTC](https://discourse.slicer.org/t/packaging-problem-on-linux-with-qt-5-15-0/13245 "2020-09-30T14:25:57Z")

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I packaged a Slicer using the latest nightly and Ubuntu 18.04, gcc 7.5.0, and Qt 5.15.0, and when unpacking and executing it, Slicer fails to start due to an error .../Slicer-4.11.0-2020-08-26-linux-amd64/bin/SlicerApp-…

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## [OpenSSL 1.1.1 packaging problem - libcrypto-1\_1-x64.dll not found](https://discourse.slicer.org/t/openssl-1-1-1-packaging-problem-libcrypto-1-1-x64-dll-not-found/12964)

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**Author:** [@cpinter](https://discourse.slicer.org/u/cpinter)\
**Replies:** 11\
**Last updated:** [August 14, 2020, 2:04pm UTC](https://discourse.slicer.org/t/openssl-1-1-1-packaging-problem-libcrypto-1-1-x64-dll-not-found/12964 "2020-08-14T14:04:12Z")

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Hi all, I updated Slicer under a custom app after several months, and the generated installer wouldn’t start up, because libcrypto-1\_1-x64.dll was not found. It seems that in the new version of OpenSSL (1.1.1g) Slicer …

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## [Downloading older releases: need to update "Older releases" link?](https://discourse.slicer.org/t/downloading-older-releases-need-to-update-older-releases-link/9015)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 5\
**Last updated:** [November 5, 2019, 12:52am UTC](https://discourse.slicer.org/t/downloading-older-releases-need-to-update-older-releases-link/9015 "2019-11-05T00:52:34Z")

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For the second time in the last few months I had a need to download an older nightly of Slicer (as a way to mitigate surprises for the users). Today, as before, my first instinct was to go to the “Older releases” link o…

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## [Multiple issues with extension builds](https://discourse.slicer.org/t/multiple-issues-with-extension-builds/6160)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 3\
**Last updated:** [March 19, 2019, 9:07pm UTC](https://discourse.slicer.org/t/multiple-issues-with-extension-builds/6160 "2019-03-19T21:07:24Z")

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There are several issues that are new (at least to me): at least some extensions are not listed 3 times (e.g. SlicerElastix is listed only once), which to me means they were not built on all platforms maybe I am mistak…

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## [Numerous extensions fail with "packageupload" errors on the dashboard](https://discourse.slicer.org/t/numerous-extensions-fail-with-packageupload-errors-on-the-dashboard/2281)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 8\
**Last updated:** [March 10, 2018, 6:57pm UTC](https://discourse.slicer.org/t/numerous-extensions-fail-with-packageupload-errors-on-the-dashboard/2281 "2018-03-10T18:57:08Z")

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There are many extensions, including SlicerDMRI, SlicerOpenIGTLink, SlicerRadiomics, LASegmenter, TOMAAT, MatlabBridge, that are failing with the error below starting from March 8. I am unable to reproduce this error loc…

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## [Proper way to package a library that is not cmakefied into the extension](https://discourse.slicer.org/t/proper-way-to-package-a-library-that-is-not-cmakefied-into-the-extension/2025)

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**Author:** [@leochan2009](https://discourse.slicer.org/u/leochan2009)\
**Replies:** 3\
**Last updated:** [February 6, 2018, 12:47am UTC](https://discourse.slicer.org/t/proper-way-to-package-a-library-that-is-not-cmakefied-into-the-extension/2025 "2018-02-06T00:47:03Z")

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Dear Slicer developers, i have a question regarding the extension packaging. Currently i have an external added library in my extension, the external added library is not cmakefied. Basically i just download the libra…

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## [New extension does not show in Slicer 4.8 ExtensonManager](https://discourse.slicer.org/t/new-extension-does-not-show-in-slicer-4-8-extensonmanager/1729)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 7\
**Last updated:** [December 27, 2017, 3:59pm UTC](https://discourse.slicer.org/t/new-extension-does-not-show-in-slicer-4-8-extensonmanager/1729 "2017-12-27T15:59:20Z")

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A new extension (TOMAAT) was recently added to the ExtensionsIndex 4.8 branch (see https://github.com/Slicer/ExtensionsIndex/pull/1502). The extension was built and packaged without problems, based on CDash content here,…

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## [No extensions built on Linux](https://discourse.slicer.org/t/no-extensions-built-on-linux/1433)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 1\
**Last updated:** [November 10, 2017, 6:50pm UTC](https://discourse.slicer.org/t/no-extensions-built-on-linux/1433 "2017-11-10T18:50:03Z")

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There are no linux extension builds on the dashboard today.

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## [Extension build failures](https://discourse.slicer.org/t/extension-build-failures/1274)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 12\
**Last updated:** [November 6, 2017, 3:53pm UTC](https://discourse.slicer.org/t/extension-build-failures/1274 "2017-11-06T15:53:32Z")

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There are new failures in some of the extensions starting from Oct 19 (sorry, I noticed just now). We did not change the extensions code in that period of time, so it must be due to some Slicer changes. Specifically, DC…

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## [Interpreting CDash reporting: extension is packaged despite build errors?](https://discourse.slicer.org/t/interpreting-cdash-reporting-extension-is-packaged-despite-build-errors/856)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 8\
**Last updated:** [August 25, 2017, 5:56pm UTC](https://discourse.slicer.org/t/interpreting-cdash-reporting-extension-is-packaged-despite-build-errors/856 "2017-08-25T17:56:46Z")

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I checked the dashboard today, and I found that one of our extension had a (new) build error: Error copying file "@rpath/libITKFactoryRegistration.dylib" to "/.../DCMQI-build/dcmqi-build/\_CPack\_Packages/Darwin/TGZ/26…

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## [Unable to open Slicer package on Mac](https://discourse.slicer.org/t/unable-to-open-slicer-package-on-mac/932)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 1\
**Last updated:** [August 23, 2017, 5:46pm UTC](https://discourse.slicer.org/t/unable-to-open-slicer-package-on-mac/932 "2017-08-23T17:46:34Z")

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I downloaded today’s nightly package, but when I click on the .dmg file, nothing happens - the volume is not mounted. I searched around, and the only reason I can see is that download was corrupted in the process. I com…

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## [No nightly Mac binary since August 1](https://discourse.slicer.org/t/no-nightly-mac-binary-since-august-1/836)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 11\
**Last updated:** [August 10, 2017, 7:00pm UTC](https://discourse.slicer.org/t/no-nightly-mac-binary-since-august-1/836 "2017-08-10T19:00:28Z")

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I downloaded Slicer nightly today, and noticed it is dated Aug 1. Looking at the dashboard, there is not even an attempt to build on Mac starting August 5. On Aug 4 the dashboard is red: On Aug 3 there is an error …