Error compiling over Solaris

[Fernando Calvelo Vazquez]

Hi folk:
I'm trying to compile 'freeradius-2.1.9' over Solaris 10 platform.
No errors during './configure' execution
But I get this messages when I execute 'gmake' command

gcc .libs/radiusdS.o -o .libs/radiusd .libs/acct.o .libs/auth.o 
.libs/client.o .libs/conffile.o .libs/crypt.o .libs/exec.o .libs/files.o 
.libs/listen.o .libs/log.o .libs/mainconfig.o .libs/modules.o 
.libs/modcall.o .libs/radiusd.o .libs/stats.o .libs/session.o 
.libs/threads.o .libs/util.o .libs/valuepair.o .libs/version.o 
.libs/xlat.o .libs/event.o .libs/realms.o .libs/evaluate.o .libs/vmps.o 
.libs/detail.o  -L/usr/lib/ -L/usr/local/libexec/openldap/ 
-L/usr/local/lib/ -L/opt/csw/lib/ -L/opt/csw/lib/engines/sparcv9/ 
-L/lib/ 
/usr/local/source/freeradius-server-2.1.9/src/lib/.libs/libfreeradius-radius.so 
-lnsl -lresolv -lsocket -lposix4 -lpthread -lcrypt 
/opt/csw/lib/libltdl.so -lncurses -lsunmath -lm /opt/csw/lib/libintl.so 
-L/opt/csw/lib -lc -ldl -L/usr/openwin/lib /opt/csw/lib/libiconv.so  
-R/usr/local/freeradius-2.1.7/lib -R/opt/csw/lib -R/usr/lib/ 
-R/usr/local/libexec/openldap/ -R/usr/local/lib/ -R/opt/csw/lib/ 
-R/opt/csw/lib/engines/sparcv9/ -R/lib/
Undefined                       first referenced
 symbol                             in file
ERR_clear_error                     .libs/threads.o
OPENSSL_add_all_algorithms_noconf   .libs/threads.o
CRYPTO_set_locking_callback         .libs/threads.o
CRYPTO_num_locks                    .libs/threads.o
CRYPTO_set_id_callback              .libs/threads.o
ERR_remove_state                    .libs/threads.o
lt__PROGRAM__LTX_preloaded_symbols  .libs/modules.o
ld: fatal: Symbol referencing errors. No output written to .libs/radiusd
collect2: ld returned 1 exit status
gmake[4]: *** [radiusd] Error 1
gmake[4]: Leaving directory 
`/usr/local/source/freeradius-server-2.1.9/src/main'
gmake[3]: *** [main] Error 2
gmake[3]: Leaving directory `/usr/local/source/freeradius-server-2.1.9/src'
gmake[2]: *** [all] Error 2
gmake[2]: Leaving directory `/usr/local/source/freeradius-server-2.1.9/src'
gmake[1]: *** [src] Error 2
gmake[1]: Leaving directory `/usr/local/source/freeradius-server-2.1.9'
gmake: *** [all] Error 2

Any clues with library could be causing the crash?
Cheers,

Swatzy.