# GR requires libQtGui.so.4?

**URL:** <https://discourse.julialang.org/t/gr-requires-libqtgui-so-4/13233>\
**Category:** General Usage\
**Created:** [August 11, 2018, 10:15am UTC](https://discourse.julialang.org/t/gr-requires-libqtgui-so-4/13233 "2018-08-11T10:15:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![LeoK987](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/leok987/32/4880_2.png) [@LeoK987](https://discourse.julialang.org/u/LeoK987)\
**Post date:** [August 11, 2018, 10:15am UTC](https://discourse.julialang.org/t/gr-requires-libqtgui-so-4/13233/1 "2018-08-11T10:15:31Z")

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Just trying 0.7 on Manjaro, which has Qt5 installed but not Qt4. After GR compiles, it apparently requires Qt4. I had to get Qt4 installed to use it. Could it be possible to set it to use Qt5 instead?

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**Author:** ![j2b2](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/j2b2/32/3387_2.png) [@j2b2](https://discourse.julialang.org/u/j2b2)\
**Post date:** [August 11, 2018, 3:42pm UTC](https://discourse.julialang.org/t/gr-requires-libqtgui-so-4/13233/2 "2018-08-11T15:42:30Z")

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Strange, because on Ubuntu I had to install Qt5 to get GR working.

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**Author:** ![LeoK987](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/leok987/32/4880_2.png) [@LeoK987](https://discourse.julialang.org/u/LeoK987)\
**Post date:** [August 12, 2018, 12:12am UTC](https://discourse.julialang.org/t/gr-requires-libqtgui-so-4/13233/3 "2018-08-12T00:12:06Z")

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More strange then, because on Ubuntu 18.04, I didn’t have to do anything. And it does appear that Qt4 has been installed on Ubuntu.