build: use dictionnary for features instead of configuration_data

This allows us to easily iterate on all features and only deal with
bools.

backend/session/meson.build

@@ -33,7 +33,7 @@ if get_option('logind-provider') == 'auto'
 			version: logind_version,
 		)
 		if logind.found()
-			conf_data.set10('WLR_HAS_SYSTEMD', true)
+			features += { 'systemd': true }
 		else
 			logind = dependency('libelogind',
 				required: get_option('logind'),
@@ -41,7 +41,7 @@ if get_option('logind-provider') == 'auto'
 				version: logind_version,
 			)
 			if logind.found()
-				conf_data.set10('WLR_HAS_ELOGIND', true)
+				features += { 'elogind': true }
 			endif
 		endif
 		logind_found = logind.found()
@@ -53,7 +53,7 @@ else
 		version: logind_version,
 	)
 	if logind.found()
-		conf_data.set10('WLR_HAS_' + get_option('logind-provider').to_upper(), true)
+		features += { get_option('logind-provider'): true }
 		logind_found = true
 	endif
 endif
@@ -69,5 +69,5 @@ libseat = dependency('libseat', required: get_option('libseat'), version: '>=0.2
 if libseat.found()
 	wlr_files += files('libseat.c')
 	wlr_deps += libseat
-	conf_data.set10('WLR_HAS_LIBSEAT', true)
+	features += { 'libseat': true }
 endif

backend/x11/meson.build

@@ -35,4 +35,4 @@ wlr_files += files(
 	'output.c',
 )
 wlr_deps += x11_libs
-conf_data.set10('WLR_HAS_X11_BACKEND', true)
+features += { 'x11-backend': true }

include/wlr/meson.build

@@ -5,6 +5,11 @@ version_data.set('WLR_VERSION_MAJOR', version_array[0])
 version_data.set('WLR_VERSION_MINOR', version_array[1])
 version_data.set('WLR_VERSION_MICRO', version_array[2])
 
+conf_data = configuration_data()
+foreach name, have : features
+	conf_data.set10('WLR_HAS_' + name.underscorify().to_upper(), have)
+endforeach
+
 conf_h = configure_file(
 	input: 'config.h.in',
 	output: 'config.h',

meson.build

@@ -79,15 +79,16 @@ else
 	)
 endif
 
-conf_data = configuration_data()
-conf_data.set10('WLR_HAS_SYSTEMD', false)
-conf_data.set10('WLR_HAS_ELOGIND', false)
-conf_data.set10('WLR_HAS_LIBSEAT', false)
-conf_data.set10('WLR_HAS_X11_BACKEND', false)
-conf_data.set10('WLR_HAS_XWAYLAND', false)
-conf_data.set10('WLR_HAS_XCB_ERRORS', false)
-conf_data.set10('WLR_HAS_XCB_ICCCM', false)
-conf_data.set10('WLR_HAS_XDG_FOREIGN', false)
+features = {
+	'systemd': false,
+	'elogind': false,
+	'libseat': false,
+	'x11-backend': false,
+	'xwayland': false,
+	'xcb-errors': false,
+	'xcb-icccm': false,
+	'xdg-foreign': false,
+}
 
 wayland_server = dependency('wayland-server', version: '>=1.19')
 wayland_client = dependency('wayland-client')
@@ -107,7 +108,7 @@ if not get_option('xdg-foreign').disabled()
 	uuid = dependency('uuid', required: false)
 	uuid_create = cc.has_function('uuid_create')
 	if uuid.found() or uuid_create
-		conf_data.set10('WLR_HAS_XDG_FOREIGN', true)
+		features += { 'xdg-foreign': true }
 	elif get_option('xdg-foreign').enabled()
 		error('Missing dependency uuid and uuid_create function not available ' +
 				'cannot build with xdg-foreign support')
@@ -165,16 +166,7 @@ wlroots = declare_dependency(
 
 meson.override_dependency('wlroots', wlroots)
 
-summary({
-	'systemd': conf_data.get('WLR_HAS_SYSTEMD', 0) == 1,
-	'elogind': conf_data.get('WLR_HAS_ELOGIND', 0) == 1,
-	'libseat': conf_data.get('WLR_HAS_LIBSEAT', 0) == 1,
-	'xwayland': conf_data.get('WLR_HAS_XWAYLAND', 0) == 1,
-	'x11-backend': conf_data.get('WLR_HAS_X11_BACKEND', 0) == 1,
-	'xcb-icccm': conf_data.get('WLR_HAS_XCB_ICCCM', 0) == 1,
-	'xcb-errors': conf_data.get('WLR_HAS_XCB_ERRORS', 0) == 1,
-	'xdg-foreign': conf_data.get('WLR_HAS_XDG_FOREIGN', 0) == 1,
-}, bool_yn: true)
+summary(features, bool_yn: true)
 
 if get_option('examples')
 	subdir('examples')

types/meson.build

@@ -67,7 +67,7 @@ wlr_files += files(
 	'wlr_xdg_output_v1.c',
 )
 
-if conf_data.get('WLR_HAS_XDG_FOREIGN', 0) == 1
+if features.get('xdg-foreign')
 	wlr_files += files(
 		'wlr_xdg_foreign_v1.c',
 		'wlr_xdg_foreign_v2.c',

util/meson.build

@@ -9,7 +9,7 @@ wlr_files += files(
 )
 
 
-if conf_data.get('WLR_HAS_XDG_FOREIGN', 0) == 1
+if features.get('xdg-foreign')
 	if uuid.found()
 		wlr_deps += uuid
 		add_project_arguments('-DHAS_LIBUUID=1', language: 'c')

xwayland/meson.build

@@ -45,7 +45,7 @@ foreach lib, desc : xwayland_optional
 	)
 	if dep.found()
 		xwayland_libs += dep
-		conf_data.set10('WLR_HAS_' + lib.underscorify().to_upper(), true)
+		features += { lib: true }
 	endif
 endforeach
 
@@ -60,4 +60,4 @@ wlr_files += files(
 	'xwm.c',
 )
 wlr_deps += xwayland_libs
-conf_data.set10('WLR_HAS_XWAYLAND', true)
+features += { 'xwayland': true }