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https://github.com/Relintai/sdl2_frt.git
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7ae52b1730
Ashley Whetter
RHEL6 and CentOS6 systems still use an old version of udev (147). It wasn't until udev 148 (Yep. 1 version off!) that the input class system changed from "ID_CLASS" to "ID_INPUT_{JOYSTICK,KEYBOARD,MOUSE,etc}" (http://lwn.net/Articles/364728/). Because SDL2 looks for the ID_INPUT_X field this means that it never detects any input devices on RHEL6 systems.
I've attached a patch which fixes the problem. If no input devices are detected with "ID_INPUT_X" then SDL will fallback to looking for the old style "ID_CLASS" udev field instead.
Because of the "big change" between udev versions I doubt it'll ever get upgraded on RHEL6, but because RHEL7 is on the way I don't know if this patch is worth merging. Hopefully it'll help anyone out that's having this problem though.
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| .. | ||
| atomic | ||
| audio | ||
| core | ||
| cpuinfo | ||
| dynapi | ||
| events | ||
| file | ||
| filesystem | ||
| haptic | ||
| joystick | ||
| libm | ||
| loadso | ||
| main | ||
| power | ||
| render | ||
| stdlib | ||
| test | ||
| thread | ||
| timer | ||
| video | ||
| SDL_assert_c.h | ||
| SDL_assert.c | ||
| SDL_error_c.h | ||
| SDL_error.c | ||
| SDL_hints.c | ||
| SDL_internal.h | ||
| SDL_log.c | ||
| SDL.c | ||