backend/session: Make libseat mandatory

backend/session/meson.build

@@ -1,7 +1,14 @@
+libseat = dependency('libseat',
+	version: '>=0.2.0',
+	fallback: ['seatd', 'libseat'],
+	default_options: ['server=disabled', 'man-pages=disabled'],
+)
+
 wlr_files += files(
 	'direct-ipc.c',
 	'noop.c',
 	'session.c',
+	'libseat.c'
 )
 
 if host_machine.system().startswith('freebsd')
@@ -10,16 +17,4 @@ else
 	wlr_files += files('direct.c')
 endif
 
-# libseat
-
-libseat = dependency('libseat',
-	required: get_option('libseat'),
-	version: '>=0.2.0',
-	fallback: ['seatd', 'libseat'],
-	default_options: ['server=disabled', 'man-pages=disabled'],
-)
-if libseat.found()
-	wlr_files += files('libseat.c')
 wlr_deps += libseat
-	features += { 'libseat': true }
-endif

backend/session/session.c

@@ -25,9 +25,7 @@ extern const struct session_impl session_direct;
 extern const struct session_impl session_noop;
 
 static const struct session_impl *const impls[] = {
-#if WLR_HAS_LIBSEAT
 	&session_libseat,
-#endif
 	&session_direct,
 	NULL,
 };
@@ -112,11 +110,7 @@ struct wlr_session *wlr_session_create(struct wl_display *disp) {
 	const char *env_wlr_session = getenv("WLR_SESSION");
 	if (env_wlr_session) {
 		if (strcmp(env_wlr_session, "libseat") == 0) {
-#if WLR_HAS_LIBSEAT
 			session = session_libseat.create(disp);
-#else
-			wlr_log(WLR_ERROR, "wlroots is not compiled with libseat support");
-#endif
 		} else if (strcmp(env_wlr_session, "direct") == 0) {
 			session = session_direct.create(disp);
 		} else if (strcmp(env_wlr_session, "noop") == 0) {

include/wlr/config.h.in

@@ -1,8 +1,6 @@
 #ifndef WLR_CONFIG_H
 #define WLR_CONFIG_H
 
-#mesondefine WLR_HAS_LIBSEAT
-
 #mesondefine WLR_HAS_X11_BACKEND
 
 #mesondefine WLR_HAS_XWAYLAND

meson.build

@@ -81,7 +81,6 @@ else
 endif
 
 features = {
-	'libseat': false,
 	'x11-backend': false,
 	'xwayland': false,
 }

meson_options.txt

@@ -1,4 +1,3 @@
-option('libseat', type: 'feature', value: 'auto', description: 'Enable support for rootless session via libseat')
 option('xcb-errors', type: 'feature', value: 'auto', description: 'Use xcb-errors util library')
 option('xwayland', type: 'feature', value: 'auto', yield: true, description: 'Enable support for X11 applications')
 option('x11-backend', type: 'feature', value: 'auto', description: 'Enable X11 backend')