Steps to reproduce:
1. download and extract
https://launchpad.net/ubuntu/+archive/primary/+files/libunity_7.1.4+19.04.20190319.orig.tar.gz
2. get and apply patch
https://launchpadlibrarian.net/443817430/0001-Fix-FTB-with-recent-vala-requiring-non-public-abstra.patch
3. run NOCONFIGURE=1 ./autogen.sh
4. run ./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var
--disable-static
5. run make
Expected output:
libunity is compiled successfully
Actual output:
unity-scope-channel.vala:312.33-312.50: error: Argument 7: Cannot convert from
`void Unity.Internal.ScopeChannel.OwnerWatcher.owner_changed
(GLib.DBusConnection, string, string, string, string, GLib.Variant)' to `void
GLib.DBusSignalCallback (GLib.DBusConnection, string?, string, string, string,
GLib.Variant)'
..
..
unity-sound-menu-mpris.vala:408.5-408.56: warning: DBus methods are recommended
to throw at least `GLib.Error' or `GLib.DBusError, GLib.IOError'
public abstract async void EnablePlayerSpecificItems (ObjectPath
object_path, string desktop_id) throws IOError;
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Compilation failed: 1 error(s), 22 warning(s)
make[2]: *** [Makefile:1391: libunity_la_vala.stamp] Error 1
Other information
Arch Linux 64bit, current
vala 0.50.2-1
gobject-introspection 1.66.1-3
gnome-common 3.18.0-4
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https://bugs.launchpad.net/bugs/1908051
Title:
error: Argument 7: Cannot convert from `void
Unity.Internal.ScopeChannel.OwnerWatcher.owner_changed
Status in libunity package in Ubuntu:
Incomplete
Bug description:
make returns:
unity-protocol.vapi:242.4-242.43: warning: DBus methods are recommended to
throw at least `GLib.Error' or `GLib.DBusError, GLib.IOError'
public abstract async void set_view_type (uint
view_type) throws GLib.IOError;
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
unity-launcher.vala:61.5-61.42: warning: DBus methods are recommended to
throw at least `GLib.Error' or `GLib.DBusError, GLib.IOError'
public HashTable<string,Variant> query ()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
unity-scope-channel.vala:312.33-312.50: error: Argument 7: Cannot convert
from `void Unity.Internal.ScopeChannel.OwnerWatcher.owner_changed
(GLib.DBusConnection, string, string, string, string, GLib.Variant)' to `void
GLib.DBusSignalCallback (GLib.DBusConnection, string?, string, string, string,
GLib.Variant)'
DBusSignalFlags.NONE, this.owner_changed);
^^^^^^^^^^^^^^^^^^
unity-scope-channel.vala:269.9-269.52: warning: Access to possible `null'.
Perform a check or use an unsafe cast.
(transfer_model as DiffModel).commit_changes ();
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
unity-synchronizer.vala:93.5-93.18: warning: `GLib.HashTable.add' has been
deprecated since vala-0.26. Use GenericSet.add
unity-aggregator-scope-private.vala:434.7-434.28: warning:
`GLib.HashTable.add' has been deprecated since vala-0.26. Use GenericSet.add
unity-aggregator-scope-private.vala:606.7-606.72: warning: Access to possible
`null'. Perform a check or use an unsafe cast.
(category_merger as CategoryMergerByField).map_subscope_categories
(scope_id, proxy.categories_model);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
unity-aggregator-scope-private.vala:1308.7-1308.66: warning: Access to
possible `null'. Perform a check or use an unsafe cast.
(category_merger as CategoryMergerByScope).add_scope_mapping (owner,
scope_id);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
unity-aggregator-scope-private.vala:1352.7-1352.66: warning: Access to
possible `null'. Perform a check or use an unsafe cast.
(category_merger as CategoryMergerByScope).add_scope_mapping (owner,
master_scope_id);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
unity-scope-loader.vala:41.49-41.69: warning: `GLib.ModuleFlags.BIND_LAZY'
has been deprecated since vala-0.46. Use LAZY
unity-sound-menu-mpris.vala:475.5-475.27: warning: DBus methods are
recommended to throw at least `GLib.Error' or `GLib.DBusError, GLib.IOError'
public async void raise() throws IOError{
^^^^^^^^^^^^^^^^^^^^^^^
unity-sound-menu-mpris.vala:580.5-580.32: warning: DBus methods are
recommended to throw at least `GLib.Error' or `GLib.DBusError, GLib.IOError'
public async void play_pause() throws IOError
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
unity-sound-menu-mpris.vala:585.5-585.26: warning: DBus methods are
recommended to throw at least `GLib.Error' or `GLib.DBusError, GLib.IOError'
public async void next() throws IOError
^^^^^^^^^^^^^^^^^^^^^^
unity-sound-menu-mpris.vala:590.5-590.30: warning: DBus methods are
recommended to throw at least `GLib.Error' or `GLib.DBusError, GLib.IOError'
public async void previous() throws IOError
^^^^^^^^^^^^^^^^^^^^^^^^^^
unity-sound-menu-mpris.vala:709.5-709.39: warning: DBus methods are
recommended to throw at least `GLib.Error' or `GLib.DBusError, GLib.IOError'
public async void activate_playlist (ObjectPath playlist_id) throws
IOError
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
unity-sound-menu-mpris.vala:714.5-714.48: warning: DBus methods are
recommended to throw at least `GLib.Error' or `GLib.DBusError, GLib.IOError'
public async PlaylistDetails[] get_playlists (uint32 index,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
unity-sound-menu-mpris.vala:407.5-407.55: warning: DBus methods are
recommended to throw at least `GLib.Error' or `GLib.DBusError, GLib.IOError'
public abstract async void EnableTrackSpecificItems (ObjectPath
object_path, string desktop_id) throws IOError;
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
unity-sound-menu-mpris.vala:408.5-408.56: warning: DBus methods are
recommended to throw at least `GLib.Error' or `GLib.DBusError, GLib.IOError'
public abstract async void EnablePlayerSpecificItems (ObjectPath
object_path, string desktop_id) throws IOError;
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Compilation failed: 1 error(s), 22 warning(s)
make[2]: *** [Makefile:1391: libunity_la_vala.stamp] Error 1
make[2]: Leaving directory '/home/jose/tmp/libunity/src'
make[1]: *** [Makefile:573: all-recursive] Error 1
make[1]: Leaving directory '/home/jose/tmp/libunity'
make: *** [Makefile:477: all] Error 2
Distro: Arch Linux
Related: https://aur.archlinux.org/packages/libunity/
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