I use this command to compile the libpq.c. cc -I /opt/PostgreSQL/8.4/include -o libpq libpq.c -L /opt/PostgreSQL/8.4/lib -lpq
but I get these error: /usr/bin/ld: warning: libssl.so.4, needed by /opt/PostgreSQL/8.4/lib/libpq.so, not found (try using -rpath or -rpath-link) /usr/bin/ld: warning: libcrypto.so.4, needed by /opt/PostgreSQL/8.4/lib/libpq.so, not found (try using -rpath or -rpath-link) /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `TLSv1_method' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `SSL_set_ex_data' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `SSL_connect' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `X509_STORE_load_locations' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `BIO_free' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `BIO_ctrl' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `CRYPTO_set_locking_callback' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `X509_NAME_oneline' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `SSL_CTX_set_verify' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `PEM_read_bio_PrivateKey' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `CRYPTO_num_locks' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `ENGINE_finish' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `SSL_CTX_load_verify_locations' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `ERR_get_error' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `ERR_reason_error_string' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `SSL_library_init' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `CRYPTO_set_id_callback' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `SSL_get_ex_data' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `SSL_new' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `SSL_write' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `OPENSSL_config' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `SSL_CTX_get_cert_store' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `X509_check_private_key' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `X509_free' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `SSL_shutdown' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `BIO_new_file' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `ENGINE_free' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `SSL_get_error' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `ENGINE_by_id' /opt/PostgreSQL/8.4/lib/libpq.so: undefined reference to `ENGINE_init' collect2: ld 返回 1 I use postgresql 8.4 and use ssl to connect the server.
