Problems compiling Netsaint

Hi, folks
I tried to compile Netsaint with dbms support 
(both Mysql and PostgreSQL) but I got the 
following linking error:

---- with Mysql ----
/tmp/cc3Z162P.o: In function `xrddb_initialize':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:215: undefined reference to
`mysql_init'
/tmp/cc3Z162P.o: In function `xrddb_connect':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:252: undefined reference to
`mysql_real_connect'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:254: undefined reference to
`mysql_close'
/tmp/cc3Z162P.o: In function `xrddb_disconnect':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:299: undefined reference to
`mysql_close'
/tmp/cc3Z162P.o: In function `xrddb_query':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:328: undefined reference to
`mysql_query'
/tmp/cc3Z162P.o: In function `xrddb_read_program_information':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:825: undefined reference to
`mysql_store_result'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:829: undefined reference to
`mysql_fetch_row'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:851: undefined reference to
`mysql_free_result'
/tmp/cc3Z162P.o: In function `xrddb_read_host_information':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:942: undefined reference to
`mysql_store_result'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:986: undefined reference to
`mysql_fetch_row'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:989: undefined reference to
`mysql_free_result'
/tmp/cc3Z162P.o: In function `xrddb_read_service_information':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1104: undefined reference to
`mysql_store_result'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1155: undefined reference to
`mysql_fetch_row'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1158: undefined reference to
`mysql_free_result'
/tmp/ccmRtm0f.o: In function `xcddb_initialize':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:234: undefined reference to
`mysql_init'
/tmp/ccmRtm0f.o: In function `xcddb_connect':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:259: undefined reference to
`mysql_real_connect'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:261: undefined reference to
`mysql_close'
/tmp/ccmRtm0f.o: In function `xcddb_disconnect':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:303: undefined reference to
`mysql_close'
/tmp/ccmRtm0f.o: In function `xcddb_query':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:328: undefined reference to
`mysql_query'
/tmp/ccmRtm0f.o: In function `xcddb_validate_host_comments':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:471: undefined reference to
`mysql_store_result'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:483: undefined reference to
`mysql_fet
/tmp/ccmRtm0f.o: In function `xcddb_validate_service_comments':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:552: undefined reference to
`mysql_store_result'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:564: undefined reference to
`mysql_fetch_row'
/tmp/ccmRtm0f.o: In function `xcddb_save_host_comment':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:722: undefined reference to
`mysql_insert_id'
/tmp/ccmRtm0f.o: In function `xcddb_save_service_comment':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:809: undefined reference to
`mysql_insert_id'
/tmp/ccdN4rGn.o: In function `xsddb_initialize':
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:253: undefined reference to
`mysql_init'
/tmp/ccdN4rGn.o: In function `xsddb_connect':
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:286: undefined reference to
`mysql_real_connect'
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:288: undefined reference to
`mysql_close'
/tmp/ccdN4rGn.o: In function `xsddb_disconnect':
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:335: undefined reference to
`mysql_close'
/tmp/ccdN4rGn.o: In function `xsddb_check_connection':
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:363: undefined reference to
`mysql_errno'
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:369: undefined reference to
`mysql_close'
/tmp/ccdN4rGn.o: In function `xsddb_query':
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:462: undefined reference to
`mysql_query'

---- with PosgreSQL ----
/tmp/ccZ3plO9.o: In function `xrddb_connect':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:268: undefined reference to
`PQconnectdb'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:270: undefined reference to
`PQstatus'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:272: undefined reference to
`PQfinish'
/tmp/ccZ3plO9.o: In function `xrddb_disconnect':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:304: undefined reference to
`PQstatus'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:305: undefined reference to
`PQfinish'
/tmp/ccZ3plO9.o: In function `xrddb_query':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:333: undefined reference to
`PQexec'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:334: undefined reference to
`PQresultStatus'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:334: undefined reference to
`PQresultStatus'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:335: undefined reference to
`PQclear'
/tmp/ccZ3plO9.o: In function `xrddb_free_query_memory':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:360: undefined reference to
`PQclear'
/tmp/ccZ3plO9.o: In function `xrddb_read_program_information':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:857: undefined reference to
`PQntuples'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:861: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:864: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:867: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:870: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:873: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:876: more undefined references to
`PQgetvalue' follow
/tmp/ccZ3plO9.o: In function `xrddb_read_program_information':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:879: undefined reference to
`PQclear'
/tmp/ccZ3plO9.o: In function `xrddb_read_host_information':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:995: undefined reference to
`PQntuples'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1001: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1004: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1007: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1010: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1011: undefined reference to
`PQgetvalue'
/tmp/ccZ3plO9.o:
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1012: more undefined references to
`PQgetvalue' follow
/tmp/ccZ3plO9.o: In function `xrddb_read_host_information':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1041: undefined reference to
`PQclear'
/tmp/ccZ3plO9.o: In function `xrddb_read_service_information':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1164: undefined reference to
`PQntuples'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1170: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1177: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1180: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1181: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1182: undefined reference to
`PQgetvalue'
/tmp/ccZ3plO9.o:
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1183: more undefined references to
`PQgetvalue' follow
/tmp/ccZ3plO9.o: In function `xrddb_read_service_information':
/tmp/netsaint-0.0.7/base/../xdata/xrddb.c:1218: undefined reference to
`PQclear'
/tmp/ccAn2mCt.o: In function `xcddb_connect':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:278: undefined reference to
`PQconnectdb'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:280: undefined reference to
`PQstatus'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:282: undefined reference to
`PQfinish'
/tmp/ccAn2mCt.o: In function `xcddb_disconnect':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:308: undefined reference to
`PQstatus'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:309: undefined reference to
`PQfinish'
/tmp/ccAn2mCt.o: In function `xcddb_query':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:333: undefined reference to
`PQexec'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:334: undefined reference to
`PQresultStatus'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:334: undefined reference to
`PQresultStatus'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:335: undefined reference to
`PQclear'
/tmp/ccAn2mCt.o: In function `xcddb_free_query_memory':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:361: undefined reference to
`PQclear'
/tmp/ccAn2mCt.o: In function `xcddb_validate_host_comments':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:489: undefined reference to
`PQntuples'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:494: undefined reference to
`PQclear'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:502: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:506: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:510: undefined reference to
`PQclear'
/tmp/ccAn2mCt.o: In function `xcddb_validate_service_comments':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:570: undefined reference to
`PQntuples'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:575: undefined reference to
`PQclear'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:583: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:583: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:587: undefined reference to
`PQgetvalue'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:591: undefined reference to
`PQclear'
/tmp/ccAn2mCt.o: In function `xcddb_save_host_comment':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:725: undefined reference to
`PQoidStatus'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:732: undefined reference to
`PQntuples'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:735: undefined reference to
`PQgetvalue'
/tmp/ccAn2mCt.o: In function `xcddb_save_service_comment':
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:812: undefined reference to
`PQoidStatus'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:819: undefined reference to
`PQntuples'
/tmp/netsaint-0.0.7/base/../xdata/xcddb.c:822: undefined reference to
`PQgetvalue'
/tmp/ccRMEvj8.o: In function `xsddb_connect':
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:307: undefined reference to
`PQconnectdb'
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:309: undefined reference to
`PQstatus'
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:312: undefined reference to
`PQfinish'
/tmp/ccRMEvj8.o: In function `xsddb_disconnect':
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:340: undefined reference to
`PQstatus'
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:341: undefined reference to
`PQfinish'
/tmp/ccRMEvj8.o: In function `xsddb_check_connection':
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:378: undefined reference to
`PQstatus'
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:381: undefined reference to
`PQfinish'
/tmp/ccRMEvj8.o: In function `xsddb_query':
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:467: undefined reference to
`PQexec'
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:468: undefined reference to
`PQresultStatus'
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:468: undefined reference to
`PQresultStatus'
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:469: undefined reference to
`PQclear'
/tmp/ccRMEvj8.o: In function `xsddb_free_query_memory':
/tmp/netsaint-0.0.7/base/../xdata/xsddb.c:495: undefined reference to
`PQclear'

I got the same error with Solaris 8 or Linux Redhat 7.3!!!!
Can anybody help me? This is a very important matter for me!
Thanks in advance.
Luigi