what is this error in apache

[hostserver]

when going to install apache there thsi error

How i solve this

/usr/local/directadmin/customapache/httpd-2.0.59/support/htpasswd.c:183: undefined reference to `crypt'
collect2: ld returned 1 exit status
make[2]: *** [htpasswd] Error 1
make[2]: Leaving directory `/usr/local/directadmin/customapache/httpd-2.0.59/support'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/usr/local/directadmin/customapache/httpd-2.0.59/support'
make: *** [all-recursive] Error 1