# Elastix extension for Mac OSX not available

**URL:** <https://discourse.slicer.org/t/elastix-extension-for-mac-osx-not-available/5692>\
**Category:** Support\
**Tags:** extensions-manager\
**Created:** [February 8, 2019, 2:51pm UTC](https://discourse.slicer.org/t/elastix-extension-for-mac-osx-not-available/5692 "2019-02-08T14:51:57Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Mary](https://avatars.discourse-cdn.com/v4/letter/m/e99b99/32.png) [@Mary](https://discourse.slicer.org/u/Mary)\
**Post date:** [February 8, 2019, 2:51pm UTC](https://discourse.slicer.org/t/elastix-extension-for-mac-osx-not-available/5692/1 "2019-02-08T14:51:57Z")

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I have been trying to install the Elastix extension for Slicer on my Mac, but it is not in the list of available extensions in ‘Extensions Manager’ on both the stable and nightly Slicer releases. On the web address: [http://slicer.kitware.com/midas3/slicerappstore](http://slicer.kitware.com/midas3/slicerappstore) it only appears to be available for Windows. Looking at only forum threads, it appears that it has been available for Mac in the past - is there a release version I can download that would support this extension?

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**Author:** ![cpinter](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/cpinter/32/7995_2.png) [@cpinter](https://discourse.slicer.org/u/cpinter)\
**Post date:** [February 8, 2019, 4:05pm UTC](https://discourse.slicer.org/t/elastix-extension-for-mac-osx-not-available/5692/2 "2019-02-08T16:05:07Z")

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Unfortunately Elastix does not build on Mac for a while, see

> [@SlicerElastix extension not available on Mac](https://discourse.slicer.org/t/slicerelastix-extension-not-available-on-mac/4531):
>
> Hi all, I wanted to show a Mac user the SlicerElastix extension but it was not there. After a bit of investigation, it turns out that it does not build at least since February. Here’s the [latest dashboard](http://slicer.cdash.org/index.php?project=SlicerPreview&filtercount=1&showfilters=1&field1=label&compare1=63&value1=Elastix) and the [error](http://slicer.cdash.org/viewBuildError.php?buildid=1411238) (and the [oldest available dashboard](http://slicer.cdash.org/index.php?project=SlicerPreview&date=2018-02-17&filtercount=1&showfilters=1&field1=label&compare1=63&value1=Elastix)). Does anyone know what is needed in order to fix this? Can someone who usually develops on Mac check it out? Elastix is a great registration tool, we should have it in 4.10. Thanks, csaba

@jcfr In our previous investigation we found that SlicerElastix builds OK, just the dashboard script identifies warnings as errors. Would it be possible to build it once manually on the factory Mac and at least push the package for the latest 4.10.1 stable?

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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:** [February 9, 2019, 8:05pm UTC](https://discourse.slicer.org/t/elastix-extension-for-mac-osx-not-available/5692/3 "2019-02-09T20:05:55Z")

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Note: there is an issue for this on the elastix repo: [https://github.com/SuperElastix/elastix/issues/110](https://github.com/SuperElastix/elastix/issues/110)