pkg/36404: x11/vte build error on Linux

[pkgsrc%blackmouse.biz@localhost]

>Number:         36404
>Category:       pkg
>Synopsis:       x11/vte build error on Linux
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue May 29 11:55:00 +0000 2007
>Originator:     Ondrej Tuma
>Release:        current
>Organization:
Blackmouse
>Environment:
Linux ip1 2.6.20.1 #3 Thu Mar 8 18:42:01 CET 2007 i686 athlon-4 i386 GNU/Linux
>Description:
pty.c: In function `_vte_pty_ptsname':
pty.c:534: error: implicit declaration of function `ptsname_r'
pty.c:534: warning: nested extern declaration of `ptsname_r'
pty.c: In function `_vte_pty_getpt':
pty.c:572: error: implicit declaration of function `getpt'
pty.c:572: warning: nested extern declaration of `getpt'
pty.c: In function `_vte_pty_grantpt':
pty.c:591: error: implicit declaration of function `grantpt'
pty.c:591: warning: nested extern declaration of `grantpt'
pty.c: In function `_vte_pty_unlockpt':
pty.c:601: error: implicit declaration of function `unlockpt'
pty.c:601: warning: nested extern declaration of `unlockpt'
make[2]: *** [pty.lo] Error 1
make[2]: Leaving directory `/usr/pkgsrc/x11/vte/work/vte-0.16.1/src'

full log is:
http://linux.blackmouse.biz/pub/blackmouse-current/i686/pkgstat/20070527.2214/x11/vte/.broken.html

I'm not sure if this is Linux problem or my BlackMouse distribution problem :( 
I'm using almost slackware-current packages, and kernel 2.6.20.1 headers 
without many modifications, but i haven't any problem with others terminals 
utilities
>How-To-Repeat:
bmake build
>Fix: