Add meson build system

headers/meson.build

+headers = files(
+  'gdesktop-enums.h'
+)
+
+install_headers(headers, subdir: gsettings_desktop_schemas_name)
+
+if not meson.is_cross_build() and get_option('introspection')
+  gnome.generate_gir(
+    header: headers,
+    namespace: 'GDesktopEnums',
+    identifier_prefix: 'GDesktop',
+    nsversion : '3.0',
+    install: true,
+    extra_args: [
+      '--header-only',
+    ]
+  )
+endif

meson.build

+project(
+  'gsettings-desktop-schemas', 'c',
+  version: '3.31.0',
+  default_options: [
+    'warning_level=2'
+  ],
+  license: 'LGPL',
+  meson_version: '>= 0.46.0'
+)
+
+gsettings_desktop_schemas_name = meson.project_name()
+gsettings_desktop_schemas_version = meson.project_version()
+
+message('Building ' + gsettings_desktop_schemas_name + ' ' + gsettings_desktop_schemas_version)
+
+cc = meson.get_compiler('c')
+host_system = host_machine.system()
+arch = host_machine.cpu_family()
+
+prefix = get_option('prefix')
+bindir = join_paths(prefix, get_option('bindir'))
+libdir = join_paths(prefix, get_option('libdir'))
+libexecdir = join_paths(prefix, get_option('libexecdir'))
+includedir = join_paths(prefix, get_option('includedir'))
+datadir = join_paths(prefix, get_option('datadir'))
+sysconfdir = join_paths(prefix, get_option('sysconfdir'))
+schemasdir = join_paths(datadir, 'glib-2.0/schemas')
+
+gnome = import('gnome')
+
+# Generate pc file
+pkg = import('pkgconfig')
+
+pkg.generate(name: gsettings_desktop_schemas_name,
+             version: gsettings_desktop_schemas_version,
+             description: 'Shared GSettings schemas for the desktop, including helper headers')
+
+subdir('headers')
+subdir('schemas')
+subdir('po')

meson_options.txt

+option('introspection',
+       description: 'Whether to build introspection files',
+       type: 'boolean',
+       value: true)

po/meson.build

+i18n = import('i18n')
+
+i18n.gettext(gsettings_desktop_schemas_name, preset: 'glib')

schemas/meson.build

+schemas_in = files(
+  'org.gnome.desktop.default-applications.gschema.xml.in',
+  'org.gnome.desktop.interface.gschema.xml.in',
+  'org.gnome.desktop.lockdown.gschema.xml.in',
+  'org.gnome.system.locale.gschema.xml.in',
+  'org.gnome.system.location.gschema.xml.in',
+  'org.gnome.system.proxy.gschema.xml.in',
+  'org.gnome.desktop.sound.gschema.xml.in',
+  'org.gnome.desktop.thumbnail-cache.gschema.xml.in',
+  'org.gnome.desktop.a11y.gschema.xml.in',
+  'org.gnome.desktop.a11y.keyboard.gschema.xml.in',
+  'org.gnome.desktop.a11y.applications.gschema.xml.in',
+  'org.gnome.desktop.a11y.magnifier.gschema.xml.in',
+  'org.gnome.desktop.a11y.mouse.gschema.xml.in',
+  'org.gnome.desktop.thumbnailers.gschema.xml.in',
+  'org.gnome.desktop.session.gschema.xml.in',
+  'org.gnome.desktop.background.gschema.xml.in',
+  'org.gnome.desktop.calendar.gschema.xml.in',
+  'org.gnome.desktop.datetime.gschema.xml.in',
+  'org.gnome.desktop.media-handling.gschema.xml.in',
+  'org.gnome.desktop.screensaver.gschema.xml.in',
+  'org.gnome.desktop.search-providers.gschema.xml.in',
+  'org.gnome.desktop.wm.keybindings.gschema.xml.in',
+  'org.gnome.desktop.wm.preferences.gschema.xml.in',
+  'org.gnome.desktop.input-sources.gschema.xml.in',
+  'org.gnome.desktop.privacy.gschema.xml.in',
+  'org.gnome.desktop.notifications.gschema.xml.in',
+  'org.gnome.desktop.app-folders.gschema.xml.in',
+  'org.gnome.desktop.peripherals.gschema.xml.in',
+)
+
+conf = configuration_data()
+conf.set('prefix', prefix)
+conf.set('exec_prefix', prefix)
+conf.set('libdir', libdir)
+conf.set('bindir', bindir)
+conf.set('libexecdir', libexecdir)
+conf.set('datarootdir', datadir)
+conf.set('datadir', datadir)
+conf.set('includedir', includedir)
+
+foreach schema: schemas_in
+  generated_schema = configure_file(
+    output: '@BASENAME@',
+    input: schema,
+    configuration: conf
+  )
+  install_data(generated_schema, install_dir: schemasdir)
+endforeach
+
+gnome.compile_schemas(build_by_default: true)