Кто-нибудь собирал X от FreeDesctop?

http://freedesktop.org/~keithp/screenshots/ Хотел собрать, но при сборке xserver возникает странная ошибка:

WaitFor.c: In function `WaitForSomething':

WaitFor.c:168: structure has no member named `fds_bits'

WaitFor.c:168: structure has no member named `fds_bits' WaitFor.c:168: structure has no member named `fds_bits' WaitFor.c:168: structure has no member named `fds_bits' WaitFor.c:168: structure has no member named `fds_bits' WaitFor.c:168: structure has no member named `fds_bits' WaitFor.c:168: structure has no member named `fds_bits' WaitFor.c:168: structure has no member named `fds_bits' WaitFor.c:181: structure has no member named `fds_bits' WaitFor.c:181: structure has no member named `fds_bits'

..................................

WaitFor.c:502: structure has no member named `fds_bits'

Что это значит и как бороться?