FreeBSD 5.x下用ports安装mysql出现问题，急！！！

hlddn

/usr/include/stdlib.h:233:1: warning: this is the location of the previous definition
/bin/sh ../libtool --mode=link cc  -DDBUG_OFF -O -pipe -mcpu=pentiumpro    -o myisamlog  myisamlog.o libmyisam.a ../mysys/libmysys.a  ../dbug/libdbug.a ../strings/libmystrings.a -lz -lcrypt -lm  -lc_r
cc -DDBUG_OFF -O -pipe -mcpu=pentiumpro -o myisamlog myisamlog.o libmyisam.a ../mysys/libmysys.a ../dbug/libdbug.a ../strings/libmystrings.a -lz -lcrypt -lm -lc_r
source='myisampack.c' object='myisampack.o' libtool=no  depfile='.deps/myisampack.Po' tmpdepfile='.deps/myisampack.TPo'  depmode=gcc3 /bin/sh ../depcomp  cc -DMAP_TO_USE_RAID -I. -I. -I.. -I./../include -I../include     -DDBUG_OFF -O -pipe -mcpu=pentiumpro -c `test -f myisampack.c || echo './'`myisampack.c
In file included from ../include/my_base.h:28,
                 from ../include/myisam.h:26,
                 from myisamdef.h:19,
                 from myisampack.c:23:
../include/my_sys.h:171:1: warning: "alloca" redefined
In file included from ../include/my_global.h:219,
                 from ../include/my_base.h:26,
                 from ../include/myisam.h:26,
                 from myisamdef.h:19,
                 from myisampack.c:23:
刚转到bsd下，就碰到麻烦了，急，大家帮帮忙！我mysql4.0 和 mysql 4.1alpha都试了，都出现一样的情况。以前在liunx下是添加一个mysql组和一个mysql用户。。。这个该怎么解决。

hlddn

在线等！我都试了好几遍了！求求大家帮忙看看。