# Cannot compile Slicer on Mac - macOS Sierra + clang 9 + cmake 3.9.1

**URL:** <https://discourse.slicer.org/t/cannot-compile-slicer-on-mac-macos-sierra-clang-9-cmake-3-9-1/1104>\
**Category:** Development\
**Tags:** build\
**Created:** [September 22, 2017, 6:27pm UTC](https://discourse.slicer.org/t/cannot-compile-slicer-on-mac-macos-sierra-clang-9-cmake-3-9-1/1104 "2017-09-22T18:27:59Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![fedorov](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/fedorov/32/14_2.png) [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Post date:** [October 2, 2017, 5:40pm UTC](https://discourse.slicer.org/t/cannot-compile-slicer-on-mac-macos-sierra-clang-9-cmake-3-9-1/1104/21 "2017-10-02T17:40:58Z")

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I confirm - build succeeded.

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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:** [October 3, 2017, 4:29am UTC](https://discourse.slicer.org/t/cannot-compile-slicer-on-mac-macos-sierra-clang-9-cmake-3-9-1/1104/22 "2017-10-03T04:29:09Z")

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SimpleITK build should be fixed by [https://github.com/Slicer/Slicer/pull/802](https://github.com/Slicer/Slicer/pull/802)

@blowekamp Let me know what you think

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