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server: add wlr_backend_autocreate() trouble-shooting message

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Johan Malm 2023-04-01 19:46:41 +01:00 • committed by Johan Malm
parent e44d565672
commit 12f3314595
1 changed files with 22 additions and 0 deletions
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22
src/server.c
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@ -183,6 +183,27 @@ server_global_filter(const struct wl_client *client, const struct wl_global *glo
return true;
}
/*
* This message is intended to help users who are trying labwc on
* clean/minimalist systems without existing Desktop Environments (possibly
* through Virtual Managers) where polkit is missing or GPU drivers do not
* exist, in the hope that it will reduce the time required to get labwc running
* and prevent some troubleshooting steps.
*/
static const char helpful_seat_error_message[] =
"\n"
"Some friendly trouble-shooting help\n"
"===================================\n"
"\n"
"If a seat could not be created, this may be caused by lack of permission to the\n"
"seat, input and video groups. If you are using a systemd setup, try installing\n"
"polkit (sometimes called policykit-1). For other setups, search your OS/Distro's\n"
"documentation on how to use seatd, elogind or similar. This is likely to involve\n"
"manually adding users to groups.\n"
"\n"
"If the above does not work, try running with `WLR_RENDERER=pixman labwc` in\n"
"order to use the software rendering fallback\n";
void
server_init(struct server *server)
{
@ -214,6 +235,7 @@ server_init(struct server *server)
server->backend = wlr_backend_autocreate(server->wl_display);
if (!server->backend) {
wlr_log(WLR_ERROR, "unable to create backend");
fprintf(stderr, helpful_seat_error_message);
exit(EXIT_FAILURE);
}