4-stable(2006/01/16 build)
で、
xorg-server-6.8.2_7 < needs updating (port has 6.9.0)
とかを portupgrade しようとすると、
xprintf.c:42: #error "no working va_copy was found"
xprintf.c: In function `Xvprintf':
xprintf.c:53: warning: implicit declaration of function `va_copy'
xprintf.c:51: warning: `va2' might be used uninitialized in this function
xprintf.c: In function `XNFvprintf':
xprintf.c:81: warning: `va2' might be used uninitialized in this function
*** Error code 1

Stop in /pub/PORTS/x11-servers/xorg-server/work/xc/programs/Xserver/os.
*** Error code 1

Stop in /pub/PORTS/x11-servers/xorg-server/work/xc/programs/Xserver.
*** Error code 1

Stop in /pub/PORTS/x11-servers/xorg-server.
** Command failed [exit code 1]: /usr/bin/script -qa /tmp/portupgrade96417.0 make
** Fix the problem and try again.
** Listing the failed packages (*:skipped / !:failed)
! x11-servers/xorg-server (xorg-server-6.8.2_7) (unknown build error)
---> Packages processed: 0 done, 0 ignored, 0 skipped and 1 failed
となります。
/tmp/portupgrade96417.0 はありません。
どの様に対処すればよいのでしょうか?