Updated to latest stable, 1.1.0. Set LUA_VERSION_REQD=51, as the default,
52, doesn't work. Needs -lreadline and something else. Will look into this
later. From ChangeLog:

Engine changes
--------------

* Add a very short sample quest with free graphics and musics (#232, #318).
* Allow scripted dialog boxes (#184).
* Allow a scripted game-over menu (#261).
* Replace the old built-in dialog box by a very minimal one.
* Remove the old built-in game-over menu.
* Remove the old built-in dark rooms displaying (#205).
* New entity: separators to visually separate some regions in a map (#177).
* New type of ground: ice (#182).
* New type of ground: low walls (#117).
* Blocks and thrown items can now fall into holes, lava and water (#191).
* Kill enemies that fall into holes, lava and water (#190).
* Allow quest makers and users to set the size of the playing area.
* Allow maps to have a default destination entity (#231).
* A game can now start without specifying an initial map and destination.
* Stairs inside a single floor can now go from any layer to a next one (#178).
* Fix map menus not receiving on_command_pressed/released() events.
* Fix camera callbacks never called when already on the target (#308).
* Fix a crash when adding a new menu during a menu:on_finished() event.
* Fix a crash when calling hero:start_victory() without sword.
* Fix an error when loading sounds (#236). Sounds were working anyway.
* Fix a possible memory error when playing sounds.
* Fix blocks that continue to follow the hero after picking a treasure (#284).
* Fix on_obtained() that was not called for non-brandished treasures (#295).
* Jumpers can no longer be activated the opposite way when in water.
* Jumpers are now activated after a slight delay (#253).
* Sensors no longer automatically reset the hero's movement (#292).
* Correctly detect the ground below the hero or any point.
* Don't die if there is a syntax error in dialogs.dat.
* Show a better error message if trying to play a Solarus 0.9 quest (#260).
* Remove built-in debug keys. This can be done from Lua now.
* Remove the preprocessor constant SOLARUS_DEBUG_KEYS.
* Call on_draw() before drawing menus.
* Fix .it musics looping when they should not.
* Log all errors in error.txt (#287).
* The quest archive can now also be named data.solarus.zip (#293).

Data files format changes
-------------------------

You can use the script tools/data_files_conversion/1.0_to_1.1/update_quest.lua
to automatically update your data files.
Don't forget to make a backup first.

* Sprites: New syntax easier to read and parse (#168).
* project_db.dat: New syntax easier to read and parse (#169).
* quest.dat: Allow to specify a range of supported quest sizes.
* Maps: Add the property "default" to destinations.
* Maps: Make optional the property "destination" of teletransporters.
* Tilesets: The ground value of diagonal walls with water has changed.
* Tilesets: New ground values "ice" and "low_wall".
* dialogs.dat: Allow any property in dialogs. dialog_id and text are mandatory.
* languages.dat no longer exists. Languages are in project_db.dat now (#265).

Lua API changes
---------------

Changes that introduce incompatibilities:

* map:is_dialog_enabled() is replaced by game:is_dialog_enabled().
* map:start_dialog() is replaced by game:start_dialog().
* Remove map:draw_dialog_box(), no longer needed.
* Remove map:set_dialog_style(): replace it in your own dialog box system.
* Remove map:set_dialog_position(): replace it in your own dialog box system.
* Remove map:set_dialog_variable(): use the info param of game:start_dialog().
* Make map:get_entities() returns an iterator instead of an array (#249).
* Replace map:set_pause_enabled() by game:set_pause_allowed().
* Make the enemy:create_enemy() more like map:create_enemy() (#215).
* Remove sol.language.get_default_language(), useless and misleading (#265).
* Remove sol.main.is_debug_enabled().
* Remove map:get_light() and map:set_light() (#205).
* In game:get/set_ability(), ability "get_back_from_death" no longer exists.
* Empty chests no longer show a dialog if there is no on:empty() event (#274).

Changes that do not introduce incompatibilities:

* game:get/set_starting_location(): map and destination can now be nil.
* hero:teleport(): make destination optional (maps now have a default one).
* map:create_teletransporter(): make destination optional.
* Add a function sol.video.get_quest_size().
* Make map:get_camera_position() also return the size of the visible area.
* Add a method entity:is_in_same_region(entity).
* Add a method entity:get_center_position().
* Add methods entity:get_direction4_to(), entity:get_direction8_to() (#150).
* Add a method game:get_hero().
* Add methods hero:get/set_walking_speed() (#206).
* Add hero:get_state() and hero:on_state_changed() (#207).
* Add events separator:on_activating() and separator:on_activated() (#272).
* Add methods enemy:is/set_traversable() (#147).
* Add a method enemy:immobilize() (#160).
* Add on_position_changed() to all entities, not only enemies (#298).
* Add on_obstacle_reached() to all entities, not only enemies (#298).
* Add on_movement_changed() to all entities, not only enemies (#298).
* Add on_movement_finished() to all entities, not only enemies/NPCs (#298).
* target_movement:set_target(entity) now accepts an x,y offset (#154).
* Add a method game:is_pause_allowed().
* Add a method map:get_ground() (#141).
* Add a method map:get_music() (#306).
* Add an optional parameter on_top to sol.menu.start.
* Add sprite:on_animation_changed() and sprite:on_direction_changed() (#153).
* Add a function sol.input.is_key_pressed().
* Add a function sol.input.is_joypad_button_pressed().
* Add a function sol.input.get_joypad_axis_state().
* Add a function sol.input.get_joypad_hat_direction().
* Add functions sol.input.is/set_joypad_enabled() (#175).
* Add a function sol.audio.get_music() (#146).
* Add a function sol.audio.get_music_format().
* Add a function sol.audio.get_music_num_channels().
* Add functions sol.audio.get/set_music_channel_volume() for .it files (#250).
* Add functions sol.audio.get/set_music_tempo() for .it files (#250).
* Return nil if the string is not found in sol.language.get_string().
* sol.language.get_dialog() is now implemented.
* Add a function game:stop_dialog(status) to close the scripted dialog box.
* Add an event game:on_dialog_started(dialog, info).
* Add an event game:on_dialog_finished(dialog).
* Add functions game:start_game_over() and game:stop_game_over (#261).
* Add events game:on_game_over_started(), game:on_game_over_finished (#261).
* Add sol.file functions: open(), exists(), remove(), mkdir() (#267).

Solarus Quest Editor changes
----------------------------

* Add a GUI to upgrade automatically quest files to the latest format (#247).
* Remove the initial prompt dialog to open a quest (#264).
* Replace non-free images by new icons (#245).
* Add tooltips to the add entity toolbar.
* Simplify the add entity toolbar by showing only one icon per entity type.
* Survive when images cannot be found (#256).
* Create more content when creating a new quest (#258, #279).
* Improve error messages.
* Fix a crash when creating a destructible without tileset selected (#283).
* Fix the sprite field disabled in the NPC properties dialog (#303).
Update to 2.8:

This is a regularly scheduled feature release.

1.1. Core features

    hgweb: add revset syntax support to search
    hgweb: always run search when a query is entered (BC)
    hgweb (paper theme): add infinite scrolling to graph
    hgweb: show full date in rfc822 format in tooltips at shortlog page
    proxy: allow wildcards in the no proxy list (issue1821)
    pull: for pull --update with failed update, print hint if any
    rebase: preserve working directory parent (BC)
    sslutil: add a config knob to support TLS (default) or SSLv23 (BC) (issue4038)
    templatefilters: add short format for age formatting
    templater: support using templates with non-standard names from map file
    update: add error message for dirty non-linear update with no rev
    addremove: don't do full walks
    log: make file log slow path usable on huge repos
    subrepo: let the user choose to merge, keep local or keep remote subrepo revisions

1.2. Extension features

    convert-internals: introduce hg.revs to replace hg.startrev and --rev with a revset
    convert-internals: update source shamap when using filemap, just as when not using filemap
    factotum: clean up keychain for multiple hg repository authentication
    histedit: abort if there are multiple roots in "--outgoing" revisions
    mq: extract strip function as its standalone extension (issue3824)
    mq: look for modified subrepos when checking for local changes
    rebase: remove bailifchanged check from pullrebase (BC)
    shelve: add a shelve extension to save/restore working changes

1.3. Fixes

    pager: honour internal aliases
    patch: ensure valid git diffs if source/destination file is missing (issue4046)
    patch: Fix nullid for binary git diffs (issue4054)
    progress: stop getting stuck in a nested topic during a long inner step
    rebase: handle bookmarks matching revset function names (issue3950)
    rebase: preserve active bookmark when not at head (issue3813)
    rebase: preserve metadata from grafts of changes (issue4001)
    rebase: fix selection of base used when rebasing merge (issue4041)
    ui: send password prompts to stderr again (issue4056)
Updated devel/mercurial to 2.8
natdynlink is supported on darwin
PR 48357 Germain Le Chapelain: don't crash if opendir fails.
PKGREVISION -> 13
xfe
minor tidyup from PR 45318