Problem building QT 5.8.0 on CentOS 6.8



  • Hi all,
    I'm trying to build QT using the qt-everywhere-opensource package on a 32 bit CentOS 6.8 machine and I have run into a problem with missing BTN_TRIGGER_HAPPYXX definitions. It seems that those items were defined in the file input.h in the 2.6.34rc1 and later kernels. The CentOS kernel I have (which I think is the latest is 2.6.32.

    The file ./qtgamepad/src/plugins/gamepads/evdev/qevdevgamepadbackend.cpp uses declarations for BTN_TRIGGER_HAPPY1 through BTN_TRIGGER_HAPPY4. Adding the lines:
    #define BTN_TRIGGER_HAPPY1 0x2c0
    #define BTN_TRIGGER_HAPPY2 0x2c1
    #define BTN_TRIGGER_HAPPY3 0x2c2
    #define BTN_TRIGGER_HAPPY4 0x2c3
    allows the build to succeed on my CentOS. I just added them to the .cpp source file directly, though I know that's not the correct way to go about it.

    Anyhow, I thought I'd share this in case anyone else had a similar problem.


  • Moderators

    @Ron-Christie 2.6, wow. :) That was many many years ago, lol.

    Thanks for sharing just in case someone else runs into that.


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