# 2020.04.28 Hangout

**URL:** <https://discourse.slicer.org/t/2020-04-28-hangout/11320>\
**Category:** Weekly meetings\
**Created:** [April 27, 2020, 5:03pm UTC](https://discourse.slicer.org/t/2020-04-28-hangout/11320 "2020-04-27T17:03:53Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![Sam\_Horvath](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/sam_horvath/32/3092_2.png) [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Post date:** [April 27, 2020, 5:03pm UTC](https://discourse.slicer.org/t/2020-04-28-hangout/11320/1 "2020-04-27T17:03:53Z")

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Hi all!

Tomorrow, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST.

Anyone is welcome to join to ask questions at [https://bit.ly/slicer-googlemeet-hosted-by-kitware](https://bit.ly/slicer-googlemeet-hosted-by-kitware)

Agenda:

- Slicer 5 progress check-in

Feel free to post to this thread to request/suggest a topic!

Thanks  
Sam

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**Author:** ![jcfr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jcfr/32/17825_2.png) [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Post date:** [April 27, 2020, 8:30pm UTC](https://discourse.slicer.org/t/2020-04-28-hangout/11320/2 "2020-04-27T20:30:19Z")

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Additional topic:

- Remove support for CLI loaded as shared library. See [https://github.com/Slicer/Slicer/issues/4893#issuecomment-620199539](https://github.com/Slicer/Slicer/issues/4893#issuecomment-620199539)

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**Author:** ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)\
**Post date:** [April 27, 2020, 10:31pm UTC](https://discourse.slicer.org/t/2020-04-28-hangout/11320/3 "2020-04-27T22:31:53Z")

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Just a heads up, I will need to drop off the call at 10:00 tomorrow.

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [April 28, 2020, 2:02pm UTC](https://discourse.slicer.org/t/2020-04-28-hangout/11320/4 "2020-04-28T14:02:39Z")

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Additional topic:

- SlicerJupyter build error on Mac: [http://slicer.cdash.org/viewBuildError.php?buildid=1895891](http://slicer.cdash.org/viewBuildError.php?buildid=1895891)

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**Author:** ![jcfr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jcfr/32/17825_2.png) [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Post date:** [April 28, 2020, 6:26pm UTC](https://discourse.slicer.org/t/2020-04-28-hangout/11320/5 "2020-04-28T18:26:35Z")

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> [@jcfr](#):
>
> Remove support for CLI loaded as shared library

We will remove the checkbox from the Slicer settings and build all CLI as executable only (without shared library) by introducing a `SlicerExecutionModel_FORCE_EXECUTABLE_ONLY` option to the SlicerExecutionModel

> [@lassoan](#):
>
> SlicerJupyter build error on Mac: [CDash](http://slicer.cdash.org/viewBuildError.php?buildid=1895891)

Issue was identified, it is a problem with the compiler on the macOS factory.

A fix has been submitted upstream:

> <https://github.com/zeromq/cppzmq/pull/407>
>
> This commit fixes a regression introduced in a3e5b54c3 (Problem: Socket
> options… lack type-safety (#393)).
> 
> It addresses the following error reported when building the project
> on macOS 10.11.6.
> 
> Errors like the following:
> 
> \`\`\`
> cppzmq/zmq.hpp:1325:39: error: default initialization of an object of const type 'const affinity\_t' (aka 'const integral\_option\<4, unsigned long long, false\>') without a user-provided default constructor
> \`\`\`
> 
> Compiler version:
> 
> \`\`\`
> Apple LLVM version 8.0.0 (clang-800.0.42.1)
> Target: x86\_64-apple-darwin15.6.0
> Thread model: posix
> InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
> \`\`\`
> 
> Similar issues:
> 
> \* https://github.com/tensorflow/tensorflow/issues/28839
> error: default initialization of an object of const type 'const Subgraph::Identity' without a user-provided default constructor
> 
> \* https://bugzilla.mozilla.org/show\_bug.cgi?id=1451088
> Clang 3.8: error: default initialization of an object of const type 'const js::jit::ArithPolicy' without a user-provided default constructor
> 
> \* https://github.com/googleapis/google-cloud-cpp/issues/1593
> \[osx\] error: default initialization of an object of const type

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<div class="post-metadata">

**Author:** ![jcfr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jcfr/32/17825_2.png) [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Post date:** [April 28, 2020, 11:01pm UTC](https://discourse.slicer.org/t/2020-04-28-hangout/11320/6 "2020-04-28T23:01:51Z")

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Additionally, this PR will update SlicerJupyter to build against updated xeus, xtl and ZeroMQ projects. It will be integrated later this week.

> <https://github.com/Slicer/SlicerJupyter/pull/36>