kc3-lang/SDL/docs/README-linux.md

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  Date : 2016-09-29T12:04:07
  

  Updated Linux notes on building with Mir and Wayland support.

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sudo apt-get install evtest

sudo evtest

cat /dev/input/event/XX

sudo udevadm info --query=all --name=input/eventXX

sudo udevadm info -a --name=input/eventXX | grep idVendor
sudo udevadm info -a --name=input/eventXX | grep idProduct

SUBSYSTEM=="input", ENV{ID_CLASS}=="joystick", ENV{ID_INPUT_JOYSTICK}="1"

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• docs/README-linux.md

• Linux
  ================================================================================
  
  By default SDL will only link against glibc, the rest of the features will be
  enabled dynamically at runtime depending on the available features on the target
  system. So, for example if you built SDL with Xinerama support and the target
  system does not have the Xinerama libraries installed, it will be disabled
  at runtime, and you won't get a missing library error, at least with the 
  default configuration parameters.
  
  
  ================================================================================
  Build Dependencies
  ================================================================================
      
  Ubuntu 13.04, all available features enabled:
  
  sudo apt-get install build-essential mercurial make cmake autoconf automake \
  libtool libasound2-dev libpulse-dev libaudio-dev libx11-dev libxext-dev \
  libxrandr-dev libxcursor-dev libxi-dev libxinerama-dev libxxf86vm-dev \
  libxss-dev libgl1-mesa-dev libesd0-dev libdbus-1-dev libudev-dev \
  libgles1-mesa-dev libgles2-mesa-dev libegl1-mesa-dev libibus-1.0-dev
  
  Ubuntu 16.04 can also add "libwayland-dev libxkbcommon-dev wayland-protocols"
  to that command line for Wayland support.
  
  Ubuntu 16.10 can also add "libmirclient-dev libxkbcommon-dev" to that command
  line for Mir support.
  
  NOTES:
  - This includes all the audio targets except arts, because Ubuntu pulled the 
    artsc0-dev package, but in theory SDL still supports it.
  - DirectFB isn't included because the configure script (currently) fails to find
    it at all. You can do "sudo apt-get install libdirectfb-dev" and fix the 
    configure script to include DirectFB support. Send patches.  :)
  
  
  ================================================================================
  Joystick does not work
  ================================================================================
  
  If you compiled or are using a version of SDL with udev support (and you should!)
  there's a few issues that may cause SDL to fail to detect your joystick. To
  debug this, start by installing the evtest utility. On Ubuntu/Debian:
  
      sudo apt-get install evtest
      
  Then run:
      
      sudo evtest
      
  You'll hopefully see your joystick listed along with a name like "/dev/input/eventXX"
  Now run:
      
      cat /dev/input/event/XX
  
  If you get a permission error, you need to set a udev rule to change the mode of
  your device (see below)    
      
  Also, try:
      
      sudo udevadm info --query=all --name=input/eventXX
      
  If you see a line stating ID_INPUT_JOYSTICK=1, great, if you don't see it,
  you need to set up an udev rule to force this variable.
  
  A combined rule for the Saitek Pro Flight Rudder Pedals to fix both issues looks 
  like:
      
     SUBSYSTEM=="input", ATTRS{idProduct}=="0763", ATTRS{idVendor}=="06a3", MODE="0666", ENV{ID_INPUT_JOYSTICK}="1"
     SUBSYSTEM=="input", ATTRS{idProduct}=="0764", ATTRS{idVendor}=="06a3", MODE="0666", ENV{ID_INPUT_JOYSTICK}="1"
     
  You can set up similar rules for your device by changing the values listed in
  idProduct and idVendor. To obtain these values, try:
      
      sudo udevadm info -a --name=input/eventXX | grep idVendor
      sudo udevadm info -a --name=input/eventXX | grep idProduct
      
  If multiple values come up for each of these, the one you want is the first one of each.    
  
  On other systems which ship with an older udev (such as CentOS), you may need
  to set up a rule such as:
      
      SUBSYSTEM=="input", ENV{ID_CLASS}=="joystick", ENV{ID_INPUT_JOYSTICK}="1"
  
  

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