can't compile xorg clients

[h]

i can't build new xorg clients in 5.4:

making all in programs/xdriinfo...
cc -O -pipe -ansi -pedantic -Wno-system-headers -Dasm=__asm     -Wall 
-Wpointer-
arith -Wundef     -I/usr/ports/x11/xorg-clients/work/xc 
-I/usr/ports/x11/xorg-cl
ients/work/xc/exports/include  -I/usr/X11R6/include -DCSRG_BASED  
-DFUNCPROTO=15
 -DNARROWPROTO -DXTHREADS   -DXUSE_MTSAFE_API      -c xdriinfo.c
xdriinfo.c: In function `main':
xdriinfo.c:60: warning: pointer targets in passing arg 1 of 
`glXGetProcAddress' 
differ in signedness
xdriinfo.c:61: warning: pointer targets in passing arg 1 of 
`glXGetProcAddress' 
differ in signedness
rm -f xdriinfo
cc -o xdriinfo -O -pipe -ansi -pedantic -Wno-system-headers -Dasm=__asm        
-
Wall -Wpointer-arith -Wundef     
-L/usr/ports/x11/xorg-clients/work/xc/exports/l
ib   xdriinfo.o -lGL -lXext -lX11 -L/usr/X11R6/lib -pthread    
-Wl,-rpath,/usr/X
11R6/lib -Wl,-rpath-link,/usr/ports/x11/xorg-clients/work/xc/exports/lib
xdriinfo.o(.text+0x4a): In function `main':
: undefined reference to `glXGetProcAddress'
xdriinfo.o(.text+0x5b): In function `main':
: undefined reference to `glXGetProcAddress'
*** Error code 1

Stop in /usr/ports/x11/xorg-clients/work/xc/programs/xdriinfo.
*** Error code 1

Stop in /usr/ports/x11/xorg-clients/work/xc/programs.
*** Error code 1

Stop in /usr/ports/x11/xorg-clients.