erreur installation Mysql

Bonjour,

en tentant d'installer mysql40-server via les ports, j'ai cette erreur que
je ne sais résoudre.

-bash-2.05b# cd /usr/ports/databases/mysql40-server/
-bash-2.05b# make install
===> Building for mysql-server-4.0.24_1
make all-recursive
Making all in include
make all-am
Making all in Docs
make all-recursive
Making all in Images
Making all in strings
Making all in dbug
Making all in mysys
/bin/cp ./thr_alarm.c ./test_thr_alarm.c
/usr/local/bin/libtool15 --preserve-dup-deps --mode=link
cc -DDBUG_OFF -O -pipe -mcpu=pentiumpro
-D_THREAD_SAFE -o test_thr_alarm -DDEFAULT_BASEDIR=\"/usr/l
ocal\" -DDATADIR="\"/var/db/mysql\"" -DDEFAULT_CHARSET_HOME="\"/usr/local\
"" -DSHAREDIR="\"/usr/local/share/mysql\
"" -DHAVE_CONFIG_H -I./../include -I../inc
lude -I.. -I. -DDBUG_OFF -O -pipe -mcpu=pentiumpro -D_THREAD_SAFE -DMAIN
./tes t_thr_alarm.c libmysys.a
../dbug/libdbug.a
z -lcrypt -lm -lc_r
cc -DDBUG_OFF -O -pipe -mcpu=pentiumpro -D_THREAD_SAFE -o
test_thr_alarm -DDEFAU
LT_BASEDIR=\"/usr/local\" -DDATADIR=\"/var/db/mysql\" -DDEFAULT_CHARSET_HOME
=\"/


































usr/local\" -DSHAREDIR=\"/usr/local/share/mysql\" -DHAVE_CONFIG_H -I./../inc
lude -I../include -I.. -I. -DDBUG_OFF -O
-pipe -mcpu=pentiumpro -D_THREAD_SAFE -DMAI
N ./test_thr_alarm.c libmysys.a ../dbug/libdbug.a
../strings/libmystrings.a -lz -lcrypt -lm
/var/tmp//ccq90A97.o: In function `thr_alarm':
/var/tmp//ccq90A97.o(.text+0x333): undefined reference to `pthread_equal'
/var/tmp//ccq90A97.o(.text+0x356): undefined reference to `pthread_kill'
/var/tmp//ccq90A97.o: In function `process_alarm_part2':
/var/tmp//ccq90A97.o(.text+0x570): undefined reference to `pthread_equal'
/var/tmp//ccq90A97.o(.text+0x587): undefined reference to `pthread_kill'
/var/tmp//ccq90A97.o(.text+0x627): undefined reference to `pthread_equal'
/var/tmp//ccq90A97.o(.text+0x63e): undefined reference to `pthread_kill'
/var/tmp//ccq90A97.o: In function `end_thr_alarm':
/var/tmp//ccq90A97.o(.text+0x72f): undefined reference to `pthread_equal'
/var/tmp//ccq90A97.o(.text+0x756): undefined reference to `pthread_kill'
/var/tmp//ccq90A97.o(.text+0x7b4): undefined reference to
`pthread_cond_timedwai t'
/var/tmp//ccq90A97.o: In function `thr_alarm_kill':
/var/tmp//ccq90A97.o(.text+0x884): undefined reference to `pthread_equal'
/var/tmp//ccq90A97.o(.text+0x8c3): undefined reference to `pthread_kill'
/var/tmp//ccq90A97.o: In function `main':
/var/tmp//ccq90A97.o(.text+0x10a0): undefined reference to
`pthread_attr_init'
/var/tmp//ccq90A97.o(.text+0x10b3): undefined reference to
`pthread_attr_setscop e'
/var/tmp//ccq90A97.o(.text+0x10c6): undefined reference to
`pthread_attr_setdeta chstate'
/var/tmp//ccq90A97.o(.text+0x10d9): undefined reference to
`pthread_attr_setstac ksize'
/var/tmp//ccq90A97.o(.text+0x1107): undefined reference to `pthread_create'
/var/tmp//ccq90A97.o(.text+0x1146): undefined reference to
`pthread_attr_setscop e'
/var/tmp//ccq90A97.o(.text+0x11a6): undefined reference to `pthread_create'
/var/tmp//ccq90A97.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-4.0.24/mysys.
*** Error code 1

Stop in /usr/ports/databases/mysql40-server/work/mysql-4.0.24.
*** Error code 1

Stop in /usr/ports/databases/mysql40-server/work/mysql-4.0.24.
*** Error code 1

Stop in /usr/ports/databases/mysql40-server.


La liste des ports est à jour. Si quelqu'un a un indice, je suis preneur.

Merci

Franck