Rest of the conversion to meson/ninja missed in the first push. Thanks again Claud for the assist.

meson.build

@@ -0,0 +1,120 @@
+project('cthulhu',
+  version: '2025.08.11',
+  meson_version: '>= 1.0.0',
+)
+
+python = import('python')
+gnome = import('gnome')
+i18n = import('i18n')
+
+python_minimum_version = '3.3'
+python3 = python.find_installation('python3', required: true)
+if not python3.language_version().version_compare(f'>= @python_minimum_version@')
+  error(f'Python @python_minimum_version@ or newer is required.')
+endif
+
+# Hard dependencies (checked via pkg-config)
+dependency('atspi-2', version: '>= 2.48.0')
+dependency('atk-bridge-2.0', version: '>= 2.26.0')
+dependency('pygobject-3.0', version: '>= 3.18')
+
+# Hard Python module dependencies
+gi_result = python.find_installation('python3', modules:['gi'], required: false)
+if not gi_result.found()
+  error('gi (PyGObject) is required')
+endif
+
+json_result = python.find_installation('python3', modules:['json'], required: false)
+if not json_result.found()
+  error('json module is required')
+endif
+
+# End users might not have the Gtk development libraries installed, making pkg-config fail.
+# Therefore, check this dependency via python.
+gtk_major_version = '3'
+gtk_minor_version = '0'
+gtk_command = ' '.join([
+  'import gi; gi.require_version("Gtk", "3.0"); from gi.repository import Gtk;',
+  'print(f"{Gtk.get_major_version()}.{Gtk.get_minor_version()}.{Gtk.get_micro_version()}");',
+  f'failed = Gtk.get_major_version() != @gtk_major_version@;',
+  'exit(failed)'
+])
+gtk_test = run_command(python3, '-c', gtk_command, check: false)
+description = f'GTK @gtk_major_version@.@gtk_minor_version@'
+version = gtk_test.stdout().strip()
+if gtk_test.returncode() != 0
+  error(f'@description@ failed (found @version@)')
+endif
+
+# Optional python modules with their descriptions
+optional_modules = {
+  'brlapi': 'braille output',
+  'louis': 'contracted braille',
+  'speechd': 'speech output',
+  'pluggy': 'plugin system',
+  'dasbus': 'D-Bus remote controller',
+  'psutil': 'system information commands',
+  'gi.repository.Wnck': 'mouse review',
+}
+
+summary = {}
+foreach module, description : optional_modules
+  result = python.find_installation('python3', modules:[module], required: false)
+  if result.found()
+    summary += {description: f'yes (found @module@)'}
+  else
+    summary += {description: f'no (missing @module@)'}
+  endif
+endforeach
+
+# Optional synthesizer services
+speech_output = []
+if python.find_installation('python3', modules:['speechd'], required: false).found()
+  speech_output += ['speechd']
+endif
+
+if speech_output.length() > 0
+  summary += {'speech output': 'yes (found @0@)'.format(', '.join(speech_output))}
+else
+  summary += {'speech output': 'no (missing speechd)'}
+endif
+
+# Check for GStreamer
+gstreamer_dep = dependency('gstreamer-1.0', required: false)
+if gstreamer_dep.found()
+  summary += {'sound support': 'yes (found gstreamer)'}
+else
+  summary += {'sound support': 'no (missing gstreamer)'}
+endif
+
+# Check for libpeas
+libpeas_dep = dependency('libpeas-1.0', required: false)
+if libpeas_dep.found()
+  summary += {'plugin loading': 'yes (found libpeas)'}
+else
+  summary += {'plugin loading': 'no (missing libpeas)'}
+endif
+
+# Integration with session startup
+i18n.merge_file(
+  input: 'cthulhu-autostart.desktop.in',
+  output: '@BASENAME@',
+  type: 'desktop',
+  po_dir: meson.project_source_root() / 'po',
+  install: true,
+  install_dir: get_option('sysconfdir') / 'xdg' / 'autostart',
+)
+
+gnome.post_install(
+  gtk_update_icon_cache: true,
+)
+
+summary += {'Install dir': python.find_installation('python3').get_install_dir()}
+
+subdir('docs')
+subdir('help')
+subdir('icons')
+subdir('po')
+subdir('src')
+
+summary(summary)