[PATCH 2/2] build: use symbol versioning

[Jan Engelhardt]

Symbol versions provide a means by which ELF utilities can determine
whether a program is incompatible with a too-old library version so
that package management tools can autodetect version-based
dependencies and suggest upgrade paths.

Signed-off-by: Jan Engelhardt <jengelh at inai.de>
---
 src/Makefile.am  |  3 +-
 src/libinput.map | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 89 insertions(+), 1 deletion(-)
 create mode 100644 src/libinput.map

diff --git a/src/Makefile.am b/src/Makefile.am
index 44e73d3..629ce49 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -34,7 +34,8 @@ libinput_la_CFLAGS = -I$(top_srcdir)/include \
 		     $(LIBEVDEV_CFLAGS)	\
 		     $(GCC_CFLAGS)
 
-libinput_la_LDFLAGS = -version-info $(LIBINPUT_LT_VERSION) -shared
+libinput_la_LDFLAGS = -version-info $(LIBINPUT_LT_VERSION) -shared \
+                      -Wl,--version-script=$(srcdir)/libinput.map
 
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = libinput.pc
diff --git a/src/libinput.map b/src/libinput.map
new file mode 100644
index 0000000..414dbd2
--- /dev/null
+++ b/src/libinput.map
@@ -0,0 +1,87 @@
+V_0.5.0 {
+global:
+	libinput_event_destroy;
+	libinput_event_get_type;
+	libinput_event_get_context;
+	libinput_event_get_device;
+	libinput_event_get_pointer_event;
+	libinput_event_get_keyboard_event;
+	libinput_event_get_touch_event;
+	libinput_event_get_device_notify_event;
+	libinput_event_device_notify_get_base_event;
+	libinput_event_keyboard_get_time;
+	libinput_event_keyboard_get_key;
+	libinput_event_keyboard_get_key_state;
+	libinput_event_keyboard_get_base_event;
+	libinput_event_keyboard_get_seat_key_count;
+	libinput_event_pointer_get_time;
+	libinput_event_pointer_get_dx;
+	libinput_event_pointer_get_dy;
+	libinput_event_pointer_get_absolute_x;
+	libinput_event_pointer_get_absolute_y;
+	libinput_event_pointer_get_absolute_x_transformed;
+	libinput_event_pointer_get_absolute_y_transformed;
+	libinput_event_pointer_get_button;
+	libinput_event_pointer_get_button_state;
+	libinput_event_pointer_get_seat_button_count;
+	libinput_event_pointer_get_axis;
+	libinput_event_pointer_get_axis_value;
+	libinput_event_pointer_get_base_event;
+	libinput_event_touch_get_time;
+	libinput_event_touch_get_slot;
+	libinput_event_touch_get_seat_slot;
+	libinput_event_touch_get_x;
+	libinput_event_touch_get_y;
+	libinput_event_touch_get_x_transformed;
+	libinput_event_touch_get_y_transformed;
+	libinput_event_touch_get_base_event;
+	libinput_udev_create_context;
+	libinput_udev_assign_seat;
+	libinput_path_create_context;
+	libinput_path_add_device;
+	libinput_path_remove_device;
+	libinput_get_fd;
+	libinput_dispatch;
+	libinput_get_event;
+	libinput_next_event_type;
+	libinput_get_user_data;
+	libinput_resume;
+	libinput_suspend;
+	libinput_ref;
+	libinput_unref;
+	libinput_log_set_priority;
+	libinput_log_get_priority;
+	libinput_log_set_handler;
+	libinput_seat_ref;
+	libinput_seat_unref;
+	libinput_seat_set_user_data;
+	libinput_seat_get_user_data;
+	libinput_seat_get_physical_name;
+	libinput_seat_get_logical_name;
+	libinput_device_ref;
+	libinput_device_unref;
+	libinput_device_set_user_data;
+	libinput_device_get_user_data;
+	libinput_device_get_sysname;
+	libinput_device_get_name;
+	libinput_device_get_id_product;
+	libinput_device_get_id_vendor;
+	libinput_device_get_output_name;
+	libinput_device_get_seat;
+	libinput_device_led_update;
+	libinput_device_get_keys;
+	libinput_device_calibrate;
+	libinput_device_has_capability;
+	libinput_device_get_size;
+	libinput_config_status_to_str;
+	libinput_device_config_tap_get_finger_count;
+	libinput_device_config_tap_set_enabled;
+	libinput_device_config_tap_get_enabled;
+	libinput_device_config_tap_get_default_enabled;
+	libinput_device_config_calibration_has_matrix;
+	libinput_device_config_calibration_set_matrix;
+	libinput_device_config_calibration_get_matrix;
+	libinput_device_config_calibration_get_default_matrix;
+local:
+	*;
+};
-- 
2.0.0