unable to compile openbsc

Hi, I am having difficulty compiling openbsc and the error message is as follows. Does anyone know why? 1; fi db.c:30:21: error: dbi/dbi.h: No such file or directory db.c:34: error: expected ?? ?? ?? �sm?or �_attribute__?before �onn? db.c:91: error: expected ??before �onn? db.c: In function �b_init? db.c:98: warning: implicit declaration of function �bi_initialize? db.c:99: error: �onn?undeclared (first use in this function) db.c:99: error: (Each undeclared identifier is reported only once db.c:99: error: for each function it appears in.) db.c:99: warning: implicit declaration of function �bi_conn_new? db.c:105: warning: implicit declaration of function �bi_conn_error_handler? db.c:105: error: �b_error_func?undeclared (first use in this function) db.c:118: warning: implicit declaration of function �bi_conn_set_option? db.c:121: warning: implicit declaration of function �bi_conn_connect? db.c: In function �b_prepare? db.c:133: error: �bi_result?undeclared (first use in this function) db.c:133: error: expected ??before �esult? db.c:137: error: �esult?undeclared (first use in this function) db.c:137: warning: implicit declaration of function �bi_conn_query? db.c:137: error: �onn?undeclared (first use in this function) db.c:142: warning: implicit declaration of function �bi_result_free? db.c: In function �b_fini? db.c:149: warning: implicit declaration of function �bi_conn_close? db.c:149: error: �onn?undeclared (first use in this function) db.c:150: warning: implicit declaration of function �bi_shutdown? db.c: In function �b_create_subscriber? db.c:160: error: �bi_result?undeclared (first use in this function) db.c:160: error: expected ??before �esult? db.c:166: error: �esult?undeclared (first use in this function) db.c:166: warning: implicit declaration of function �bi_conn_queryf? db.c:166: error: �onn?undeclared (first use in this function) db.c:190: warning: implicit declaration of function �bi_conn_sequence_last? db.c:193: warning: format ?llu?expects type �ong long unsigned int? but argument 2 has type �ong unsigned int? db.c: In function �b_get_subscriber? db.c:198: error: �bi_result?undeclared (first use in this function) db.c:198: error: expected ??before �esult? db.c:205: warning: implicit declaration of function �bi_conn_quote_string_copy? db.c:205: error: �onn?undeclared (first use in this function) db.c:206: error: �esult?undeclared (first use in this function) db.c:239: warning: implicit declaration of function �bi_result_next_row? db.c:247: warning: implicit declaration of function �bi_result_get_ulonglong? db.c:248: warning: implicit declaration of function �bi_result_get_string? db.c:248: warning: assignment makes pointer from integer without a cast db.c:252: warning: assignment makes pointer from integer without a cast db.c:256: warning: assignment makes pointer from integer without a cast db.c:260: warning: assignment makes pointer from integer without a cast db.c:264: warning: implicit declaration of function �bi_result_get_uint? db.c:268: warning: format ?llu?expects type �ong long unsigned int? but argument 2 has type �ong unsigned int? db.c: In function �b_sync_subscriber? db.c:274: error: �bi_result?undeclared (first use in this function) db.c:274: error: expected ??before �esult? db.c:275: error: �esult?undeclared (first use in this function) db.c:275: error: �onn?undeclared (first use in this function) db.c: In function �b_subscriber_alloc_tmsi? db.c:294: error: �bi_result?undeclared (first use in this function) db.c:294: error: expected ??before �esult? db.c:298: error: �onn?undeclared (first use in this function) db.c:299: error: �esult?undeclared (first use in this function) db.c:309: warning: implicit declaration of function �bi_result_get_numrows? db.c: In function �b_subscriber_assoc_imei? db.c:325: error: �bi_result?undeclared (first use in this function) db.c:325: error: expected ??before �esult? db.c:327: error: �esult?undeclared (first use in this function) db.c:327: error: �onn?undeclared (first use in this function) db.c:339: warning: implicit declaration of function �bi_result_get_numrows_affected? db.c:344: warning: format ?llu?expects type �ong long unsigned int? but argument 2 has type �_int64_t? db.c:382: warning: format ?llu?expects type �ong long unsigned int? but argument 2 has type �_int64_t? db.c:396: warning: format ?llu?expects type �ong long unsigned int? but argument 2 has type �_int64_t? db.c: In function �b_sms_store? db.c:405: error: �bi_result?undeclared (first use in this function) db.c:405: error: expected ??before �esult? db.c:408: error: �onn?undeclared (first use in this function) db.c:409: error: �esult?undeclared (first use in this function) db.c: In function �b_sms_get_unsent? db.c:428: error: �bi_result?undeclared (first use in this function) db.c:428: error: expected ??before �esult? db.c:436: error: �esult?undeclared (first use in this function) db.c:436: error: �onn?undeclared (first use in this function) db.c: In function �b_sms_mark_sent? db.c:453: error: �bi_result?undeclared (first use in this function) db.c:453: error: expected ??before �esult? db.c:455: error: �esult?undeclared (first use in this function) db.c:455: error: �onn?undeclared (first use in this function) db.c:460: warning: format ?llu?expects type �ong long unsigned int? but argument 2 has type �_int64_t? make[1]: *** [db.o] Error 1 make[1]: Leaving directory `/usr/src/openbsc/src' make: *** [all-recursive] Error 1 Thank you for your help. JB