meson: rename dbus option to dbus-tests

This does not prevent the building of code that needs dbus,
it only prevents building and running tests that need dbus-daemon
to be installed.

meson_options.txt

@@ -2,8 +2,6 @@ option('introspection', type : 'feature', value : 'auto',
        description : 'Generate gobject-introspection bindings')
 option('doc', type : 'feature', value : 'auto',
        description: 'Enable documentation.')
-option('dbus', type : 'boolean', value : 'true',
-       description: 'Enable dbus support')
 option('system-lua', type : 'boolean', value : 'false',
        description : 'Use lua from the system instead of the bundled one')
 option('system-lua-version',
@@ -31,3 +29,5 @@ option('glib-supp', type : 'string', value : '',
        description: 'The glib.supp valgrind suppressions file to be used when running valgrind')
 option('tests', type : 'boolean', value : 'true',
        description : 'Build the test suite')
+option('dbus-tests', type : 'boolean', value : 'true',
+       description: 'Enable running tests that need a dbus-daemon')

tests/modules/meson.build

@@ -7,7 +7,7 @@ common_args = [
   '-DG_LOG_USE_STRUCTURED',
 ]
 
-if get_option('dbus')
+if get_option('dbus-tests')
   test(
     'test-reserve-device',
     executable('test-reserve-device', 'reserve-device.c',

tests/wp/meson.build

@@ -91,7 +91,7 @@ test(
   env: common_env,
 )
 
-if get_option('dbus')
+if get_option('dbus-tests')
   test(
     'test-dbus',
     executable('test-dbus', 'dbus.c',