Add meson build system support

Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
Reviewed-by: Simon Ser <contact@emersion.fr>

meson.build

@@ -0,0 +1,99 @@
+project('wayland-protocols',
+	version: '1.20',
+	meson_version: '>= 0.53.0',
+	license: 'MIT/Expat',
+)
+
+wayland_protocols_version = meson.project_version()
+
+fs = import('fs')
+
+dep_scanner = dependency('wayland-scanner', native: true)
+
+stable_protocols = [
+	'presentation-time',
+	'viewporter',
+	'xdg-shell',
+]
+
+unstable_protocols = {
+	'fullscreen-shell': ['v1'],
+	'idle-inhibit': ['v1'],
+	'input-method': ['v1'],
+	'input-timestamps': ['v1'],
+	'keyboard-shortcuts-inhibit': ['v1'],
+	'linux-dmabuf': ['v1'],
+	'linux-explicit-synchronization': ['v1'],
+	'pointer-constraints': ['v1'],
+	'pointer-gestures': ['v1'],
+	'primary-selection': ['v1'],
+	'relative-pointer': ['v1'],
+	'tablet': ['v1', 'v2'],
+	'text-input': ['v1', 'v3'],
+	'xdg-decoration': ['v1'],
+	'xdg-foreign': ['v1', 'v2'],
+	'xdg-output': ['v1'],
+	'xdg-shell': ['v5', 'v6'],
+	'xwayland-keyboard-grab': ['v1'],
+}
+
+protocol_files = []
+
+foreach name : stable_protocols
+	protocol_files += ['stable/@0@/@0@.xml'.format(name)]
+endforeach
+
+foreach name : unstable_protocols.keys()
+	foreach version : unstable_protocols.get(name)
+		protocol_files += [
+			'unstable/@0@/@0@-unstable-@1@.xml'.format(name, version)
+		]
+	endforeach
+endforeach
+
+# Check that each protocol has a README
+foreach protocol_file : protocol_files
+	dir = fs.parent(protocol_file)
+	if not fs.is_file(dir + '/README')
+		error('Missing README in @0@'.format(protocol_file))
+	endif
+endforeach
+
+foreach protocol_file : protocol_files
+	protocol_install_dir = fs.parent(join_paths(
+		get_option('datadir'),
+		'wayland-protocols',
+		protocol_file,
+	))
+	install_data(
+		protocol_file,
+		install_dir: protocol_install_dir,
+	)
+endforeach
+
+wayland_protocols_srcdir = meson.current_source_dir()
+
+pkgconfig_configuration = configuration_data()
+pkgconfig_configuration.set('prefix', get_option('prefix'))
+pkgconfig_configuration.set('datadir', get_option('datadir'))
+pkgconfig_configuration.set('abs_top_srcdir', wayland_protocols_srcdir)
+pkgconfig_configuration.set('PACKAGE', 'wayland-protocols')
+pkgconfig_configuration.set('WAYLAND_PROTOCOLS_VERSION', wayland_protocols_version)
+
+pkg_install_dir = join_paths(get_option('datadir'), 'pkgconfig')
+configure_file(
+	input: 'wayland-protocols.pc.in',
+	output: 'wayland-protocols.pc',
+	configuration: pkgconfig_configuration,
+	install_dir: pkg_install_dir,
+)
+
+configure_file(
+	input: 'wayland-protocols-uninstalled.pc.in',
+	output: 'wayland-protocols-uninstalled.pc',
+	configuration: pkgconfig_configuration,
+)
+
+if get_option('tests')
+	subdir('tests')
+endif

meson_options.txt

@@ -0,0 +1,4 @@
+option('tests',
+       type: 'boolean',
+       value: true,
+       description: 'Build the tests')

tests/meson.build

@@ -0,0 +1,14 @@
+prog_scan_sh = find_program('scan.sh')
+prog_scanner = find_program(dep_scanner.get_pkgconfig_variable('wayland_scanner'))
+
+# Check that each protocol passes through the scanner
+foreach protocol_file : protocol_files
+	protocol_path = join_paths(wayland_protocols_srcdir, protocol_file)
+	test_name = 'scan-@0@'.format(protocol_file.underscorify())
+	test(test_name, prog_scan_sh,
+	     args: protocol_path,
+	     env: [
+		     'SCANNER=@0@'.format(prog_scanner.path()),
+	     ]
+	)
+endforeach

wayland-protocols.pc.in

@@ -1,6 +1,6 @@
 prefix=@prefix@
-datarootdir=@datarootdir@
+datarootdir=${prefix}/@datadir@
-pkgdatadir=${pc_sysrootdir}@datadir@/@PACKAGE@
+pkgdatadir=${pc_sysrootdir}${datarootdir}/@PACKAGE@
 
 Name: Wayland Protocols
 Description: Wayland protocol files