libX11 configure error

[John E Hein]

Alex P wrote at 18:33 +0400 on Sep 27, 2007:
 > hi. My system can`t to update libX11.
 > FreeBSD 6_2 p7.
 > logs attached.
 > setenv XORG_UPDATE yes
 > ports is up to date
 > Can you help me to clear problem?
.
.
 > configure:22997: checking keysymdef.h
 > configure:23016: error: Cannot find keysymdef.h

It should be part of xproto.

pkg_info -L -x xproto | grep keysymdef
/usr/local/include/X11/keysymdef.h