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  4. Resolved: Build Qt 5.3/5.4 without Neon support?
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Resolved: Build Qt 5.3/5.4 without Neon support?

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  • C Offline
    C Offline
    ChThChTh
    wrote on last edited by
    #1

    I've tried to figure out how to force Qt and/or ./configure to not use Neon-extensions on ARM. There used to be a "-no-neon" option that is gone?

    My processor has Neon, the cross-compiler supports it etc. which seems to make Qt auto-detect it and use it, but how do I disable it? Do I have to switch compiler?

    I'm on Qt 5.3, but could transition to 5.4 if that helps.

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi and welcome to devnet,

      "This":https://qt.gitorious.org/qt/qtbase/commit/1b12c0608be2359baa2f96ae28b135a84abd388c patch removed the option. Looks like you'll need to fiddle with the mkspec for your target

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • C Offline
        C Offline
        ChThChTh
        wrote on last edited by
        #3

        Aha. I looked in configure and it has sections for Neon that didn't seem to do anything, and apparently it does in fact not do anything.

        Thanks a bunch. :-)

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