Offending lines in src/login-common/ssl-proxy-gnutls.c 519 ret = gnutls_certificate_set_dh_params(x509_cred, dh_params); 520 if (ret < 0) 521 i_fatal("Can't set DH parameters: %s", gnutls_strerror(ret)); 522 ret = gnutls_certificate_set_rsa_params(x509_cred, rsa_params); 523 if (ret < 0) 524 i_fatal("Can't set RSA parameters: %s", gnutls_strerror(ret)); Problem: gnutls.h lists these two functions as returning void Solution: remove the ret and the check code Compilation continue but link fails: Undefined first referenced symbol in file gnutls_cert_type_set_priority ../login-common/liblogin-common.a(ssl-proxy-gnutls.o) gnutls_certificate_allocate_cred ../login-common/liblogin-common.a(ssl-proxy-gnutls.o) gnutls_certificate_free_cred ../login-common/liblogin-common.a(ssl-proxy-gnutls.o) gnutls_handshake_get_direction ../login-common/liblogin-common.a(ssl-proxy-gnutls.o) Solution: Add #include "/usr/local/include/gnutls/compat4.h" to ssl-proxy-gnutls.c Successful compile afterwards. -- Greg T. Harber gth at cs.sfasu.edu Director, McGee Computing Laboratory 936 468-2508 Department of Computer Science P.O. Box 13063 Stephen F. Austin State University Nacogdoches, TX 75962 USA