red hat mod_perl build problem

[Tom Caldwell]

I am having a problem install mod_perl on red hat 9 with apache 
2.0.53 installed in dir /opt/apache2 (it runs).

I executed >perl Makefile.PL with options
MP_USE_DSO=1 and MP_AP_PREFIX=/opt/apache2
which ran successfully. Then I executed >make and got the following 
results:

gcc 
-I/home/caldwell/perl/modperl/mod_perl-2.0.0-RC4/src/modules/perl 
-I/home/caldwell/perl/modperl/mod_perl-2.0.0-RC4/xs 
-I/opt/apache2/include -I/opt/apache2/include 
-I/opt/apache2/include -fno-strict-aliasing -pipe 
-I/usr/local/include -I/usr/include/gdbm 
-I/opt/perl5.8.6/lib/5.8.6/x86_64-linux/CORE -DMOD_PERL 
-DMP_COMPAT_1X -DLINUX=2 -D_REENTRANT -D_XOPEN_SOURCE=500 
-D_BSD_SOURCE -D_SVID_SOURCE -D_GNU_SOURCE -O2  \
-c modperl_sys.c && mv modperl_sys.o modperl_sys.lo
modperl_sys.c:65:2: #error "modperl_sys_dlclose not defined on 
this platform"
make[1]: *** [modperl_sys.lo] Error 1
make[1]: Leaving directory 
`/home/caldwell/perl/modperl/mod_perl-2.0.0-RC4/src/modules/perl'
make: *** [modperl_lib] Error 2

any ideas?
Thanks
Tom Caldwell
Vanderbilt University Medical Center