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[Bug 1415321] Re: [regression] Client functions residing in libmircommon

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Alan Griffiths <1415321@xxxxxxxxxxxxxxxxxx>
Date: Thu, 12 Mar 2015 17:42:54 -0000
Reply-to: Bug 1415321 <1415321@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Branch linked: lp:~alan-griffiths/mir/fix-1415321

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https://bugs.launchpad.net/bugs/1415321

Title:
  [regression] Client functions residing in libmircommon

Status in Mir:
  In Progress
Status in mir package in Ubuntu:
  Triaged

Bug description:
  We seem to now have a bunch of client functions living in
  libmircommon:

  $ nm -D lib/libmircommon.so | grep ' mir_'
  0000000000010287 T mir_event_get_close_surface_event
  000000000001012a T mir_event_get_input_event
  0000000000010264 T mir_event_get_orientation_event
  0000000000010241 T mir_event_get_prompt_session_event
  000000000001021e T mir_event_get_resize_event
  00000000000101fb T mir_event_get_surface_event
  0000000000010105 T mir_event_get_type
  000000000001038e T mir_event_ref
  00000000000103c6 T mir_event_unref
  000000000002dae2 T mir_input_event_get_device_id
  000000000002dbea T mir_input_event_get_event_time
  000000000002dcf0 T mir_input_event_get_key_input_event
  000000000002e5b5 T mir_input_event_get_pointer_input_event
  000000000002e003 T mir_input_event_get_touch_input_event
  000000000002d9d8 T mir_input_event_get_type
  000000000002ddc9 T mir_key_input_event_get_action
  000000000002de1e T mir_key_input_event_get_key_code
  000000000002dfab T mir_key_input_event_get_modifiers
  000000000002de43 T mir_key_input_event_get_scan_code
  0000000000010368 T mir_orientation_event_get_direction
  000000000002e6bb T mir_pointer_input_event_get_action
  000000000002e7d9 T mir_pointer_input_event_get_axis_value
  000000000002e733 T mir_pointer_input_event_get_button_state
  000000000002e68f T mir_pointer_input_event_get_modifiers
  0000000000010342 T mir_prompt_session_event_get_state
  000000000001031c T mir_resize_event_get_height
  00000000000102f6 T mir_resize_event_get_width
  00000000000102aa T mir_surface_event_get_attribute
  00000000000102d0 T mir_surface_event_get_attribute_value
  000000000002dfd7 T mir_touch_input_event_get_modifiers
  000000000002e1df T mir_touch_input_event_get_touch_action
  000000000002e453 T mir_touch_input_event_get_touch_axis_value
  000000000002e0dd T mir_touch_input_event_get_touch_count
  000000000002e0f7 T mir_touch_input_event_get_touch_id
  000000000002e349 T mir_touch_input_event_get_touch_tooltype

  I think this could cause serious risk to clients/toolkits that call
  them. As their symbol versions are no longer tied to the stable client
  ABI, but instead tied to the more volatile mircommon ABI.

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