mysql40-server build error

[ml at sd2i.com]

Hi,

i got the folowing error on a 5.2.1-RELEASE when doing a portupgrade 
from mysql-server-4.0.18_1 to 4.0.26
all my other ports are up-to-date (port tree retrieved this afternoon)

any idea ?

################################## here is the error #######################
pe -mcpu=pentiumpro -D_THREAD_SAFE -DMAIN ./test_thr_alarm.c  libmysys.a 
../dbug/libdbug.a ../strings/libmystrings.a -lz -lcrypt -lm
/var/tmp//ccqMKqXZ.o: In function `thr_alarm':
/var/tmp//ccqMKqXZ.o(.text+0x333): undefined reference to `pthread_equal'
/var/tmp//ccqMKqXZ.o(.text+0x356): undefined reference to `pthread_kill'
/var/tmp//ccqMKqXZ.o: In function `process_alarm_part2':
/var/tmp//ccqMKqXZ.o(.text+0x570): undefined reference to `pthread_equal'
/var/tmp//ccqMKqXZ.o(.text+0x587): undefined reference to `pthread_kill'
/var/tmp//ccqMKqXZ.o(.text+0x627): undefined reference to `pthread_equal'
/var/tmp//ccqMKqXZ.o(.text+0x63e): undefined reference to `pthread_kill'
/var/tmp//ccqMKqXZ.o: In function `end_thr_alarm':
/var/tmp//ccqMKqXZ.o(.text+0x72f): undefined reference to `pthread_equal'
/var/tmp//ccqMKqXZ.o(.text+0x756): undefined reference to `pthread_kill'
/var/tmp//ccqMKqXZ.o(.text+0x7b4): undefined reference to 
`pthread_cond_timedwait'
/var/tmp//ccqMKqXZ.o: In function `thr_alarm_kill':
/var/tmp//ccqMKqXZ.o(.text+0x884): undefined reference to `pthread_equal'
/var/tmp//ccqMKqXZ.o(.text+0x8c3): undefined reference to `pthread_kill'
/var/tmp//ccqMKqXZ.o: In function `main':
/var/tmp//ccqMKqXZ.o(.text+0x10a0): undefined reference to 
`pthread_attr_init'
/var/tmp//ccqMKqXZ.o(.text+0x10b3): undefined reference to 
`pthread_attr_setscope'
/var/tmp//ccqMKqXZ.o(.text+0x10c6): undefined reference to 
`pthread_attr_setdetachstate'
/var/tmp//ccqMKqXZ.o(.text+0x10d9): undefined reference to 
`pthread_attr_setstacksize'
/var/tmp//ccqMKqXZ.o(.text+0x1107): undefined reference to `pthread_create'
/var/tmp//ccqMKqXZ.o(.text+0x1146): undefined reference to 
`pthread_attr_setscope'
/var/tmp//ccqMKqXZ.o(.text+0x11a6): undefined reference to `pthread_create'
/var/tmp//ccqMKqXZ.o(.text+0x11ef): undefined reference to 
`pthread_attr_destroy'
libmysys.a(my_pthread.o): In function `my_pthread_getprio':
my_pthread.o(.text+0x1b): undefined reference to `pthread_getschedparam'
libmysys.a(my_pthread.o): In function `my_pthread_attr_setprio':
my_pthread.o(.text+0x4a): undefined reference to 
`pthread_attr_setschedparam'
*** Error code 1

Stop in /usr/ports/databases/mysql40-server/work/mysql-4.0.26/mysys.
*** Error code 1