/usr/lib/directfb-0.9.25/systems/libdirectfb_fbdev.a(fbdev.o): In function `system_initialize':fbdev.c:(.text+0x1b83): undefined reference to `sysfs_get_mnt_path'
:fbdev.c:(.text+0x1c0a): undefined reference to `sysfs_open_class_device'
:fbdev.c:(.text+0x1c1c): undefined reference to `sysfs_get_classdev_device'
:fbdev.c:(.text+0x1c36): undefined reference to `sysfs_get_device_attr'
:fbdev.c:(.text+0x1c69): undefined reference to `sysfs_get_device_attr'
:fbdev.c:(.text+0x1cf7): undefined reference to `sysfs_close_class_device'