make[2]: Entering directory `/home/roy/prj/stunnel-5.40/src'
  CC       env.lo
  CCLD     libstunnel.la
  CC       stunnel-tls.o
  CC       stunnel-str.o
  CC       stunnel-file.o
  CC       stunnel-client.o
client.c: In function ‘print_cipher’:
client.c:1098:5: warning: implicit declaration of function ‘SSL_get_current_compression’ [-Wimplicit-function-declaration]
     compression=SSL_get_current_compression(c->ssl);
     ^
client.c:1098:16: warning: assignment makes pointer from integer without a cast [enabled by default]
     compression=SSL_get_current_compression(c->ssl);
                ^
client.c:1099:5: warning: implicit declaration of function ‘SSL_get_current_expansion’ [-Wimplicit-function-declaration]
     expansion=SSL_get_current_expansion(c->ssl);
     ^
client.c:1099:14: warning: assignment makes pointer from integer without a cast [enabled by default]
     expansion=SSL_get_current_expansion(c->ssl);
              ^
client.c:1102:9: warning: implicit declaration of function ‘SSL_COMP_get_name’ [-Wimplicit-function-declaration]
         compression ? SSL_COMP_get_name(compression) : "null",
         ^
client.c:1102:54: warning: pointer/integer type mismatch in conditional expression [enabled by default]
         compression ? SSL_COMP_get_name(compression) : "null",
                                                      ^
client.c:1103:50: warning: pointer/integer type mismatch in conditional expression [enabled by default]
         expansion ? SSL_COMP_get_name(expansion) : "null");
                                                  ^
  CC       stunnel-log.o
  CC       stunnel-options.o
options.c: In function ‘parse_service_option’:
options.c:1534:9: warning: implicit declaration of function ‘OBJ_txt2nid’ [-Wimplicit-function-declaration]
         section->curve=OBJ_txt2nid(arg);
         ^
options.c:1543:9: warning: implicit declaration of function ‘OBJ_nid2ln’ [-Wimplicit-function-declaration]
         s_log(LOG_NOTICE, "%-22s = %s", "curve", OBJ_nid2ln(DEFAULT_CURVE));
         ^
options.c:1543:9: warning: format ‘%s’ expects argument of type ‘char *’, but argument 4 has type ‘int’ [-Wformat=]
  CC       stunnel-protocol.o
  CC       stunnel-network.o
  CC       stunnel-resolver.o
  CC       stunnel-ssl.o
ssl.c: In function ‘compression_init’:
ssl.c:167:9: warning: implicit declaration of function ‘sk_SSL_COMP_num’ [-Wimplicit-function-declaration]
         while(sk_SSL_COMP_num(methods))
         ^
ssl.c:168:13: warning: implicit declaration of function ‘sk_SSL_COMP_pop’ [-Wimplicit-function-declaration]
             OPENSSL_free(sk_SSL_COMP_pop(methods));
             ^
ssl.c:168:13: warning: passing argument 1 of ‘wolfSSL_OPENSSL_free’ makes pointer from integer without a cast [enabled by default]
In file included from /usr/local/include/wolfssl/ssl.h:2769:0,
                 from /usr/local/include/openssl/ssl.h:35,
                 from common.h:464,
                 from ssl.c:38:
/usr/local/include/wolfssl/openssl/crypto.h:40:18: note: expected ‘void *’ but argument is of type ‘int’
 WOLFSSL_API void wolfSSL_OPENSSL_free(void*);
                  ^
  CC       stunnel-ctx.o
ctx.c: In function ‘SSL_CTX_get_ciphers’:
ctx.c:292:15: error: dereferencing pointer to incomplete type
     return ctx->cipher_list;
               ^
ctx.c: In function ‘dh_init’:
ctx.c:307:5: warning: implicit declaration of function ‘sk_SSL_CIPHER_num’ [-Wimplicit-function-declaration]
     n=sk_SSL_CIPHER_num(ciphers);
     ^
ctx.c:310:9: warning: implicit declaration of function ‘sk_SSL_CIPHER_value’ [-Wimplicit-function-declaration]
         SSL_CIPHER_description(sk_SSL_CIPHER_value(ciphers, i),
         ^
ctx.c:311:13: warning: passing argument 1 of ‘wolfSSL_CIPHER_description’ makes pointer from integer without a cast [enabled by default]
             description, sizeof description);
             ^
In file included from /usr/local/include/openssl/ssl.h:35:0,
                 from common.h:464,
                 from ctx.c:38:
/usr/local/include/wolfssl/ssl.h:807:19: note: expected ‘const struct WOLFSSL_CIPHER *’ but argument is of type ‘int’
 WOLFSSL_API char* wolfSSL_CIPHER_description(const WOLFSSL_CIPHER*, char*, int);
                   ^
ctx.c: In function ‘ecdh_init’:
ctx.c:379:13: warning: implicit declaration of function ‘OBJ_nid2ln’ [-Wimplicit-function-declaration]
             OBJ_nid2ln(section->curve));
             ^
ctx.c:379:13: warning: format ‘%s’ expects argument of type ‘char *’, but argument 3 has type ‘int’ [-Wformat=]
ctx.c:382:5: warning: implicit declaration of function ‘SSL_CTX_set_tmp_ecdh’ [-Wimplicit-function-declaration]
     SSL_CTX_set_tmp_ecdh(section->ctx, ecdh);
     ^
ctx.c:385:9: warning: format ‘%s’ expects argument of type ‘char *’, but argument 3 has type ‘int’ [-Wformat=]
         OBJ_nid2ln(section->curve));
         ^
ctx.c: In function ‘ui_retry’:
ctx.c:830:10: error: ‘ERR_LIB_ASN1’ undeclared (first use in this function)
     case ERR_LIB_ASN1:
          ^
ctx.c:830:10: note: each undeclared identifier is reported only once for each function it appears in
ctx.c:832:10: error: ‘ERR_LIB_PKCS12’ undeclared (first use in this function)
     case ERR_LIB_PKCS12:
          ^
ctx.c:834:14: error: ‘PKCS12_R_MAC_VERIFY_FAILURE’ undeclared (first use in this function)
         case PKCS12_R_MAC_VERIFY_FAILURE:
              ^
ctx.c:839:10: error: ‘ERR_LIB_EVP’ undeclared (first use in this function)
     case ERR_LIB_EVP:
          ^
ctx.c:848:14: error: ‘PEM_R_BAD_PASSWORD_READ’ undeclared (first use in this function)
         case PEM_R_BAD_PASSWORD_READ:
              ^
ctx.c:853:10: error: ‘ERR_LIB_UI’ undeclared (first use in this function)
     case ERR_LIB_UI:
          ^
ctx.c:855:14: error: ‘UI_R_RESULT_TOO_LARGE’ undeclared (first use in this function)
         case UI_R_RESULT_TOO_LARGE:
              ^
ctx.c:856:14: error: ‘UI_R_RESULT_TOO_SMALL’ undeclared (first use in this function)
         case UI_R_RESULT_TOO_SMALL:
              ^
ctx.c:861:10: error: ‘ERR_LIB_USER’ undeclared (first use in this function)
     case ERR_LIB_USER: /* PKCS#11 hacks */
          ^
ctx.c: In function ‘info_callback’:
ctx.c:1120:19: error: ‘TLS_ST_CR_CERT_REQ’ undeclared (first use in this function)
         if(state==TLS_ST_CR_CERT_REQ)
                   ^
ctx.c:1124:13: warning: implicit declaration of function ‘SSL_get_client_CA_list’ [-Wimplicit-function-declaration]
             print_client_CA_list(SSL_get_client_CA_list(ssl));
             ^
ctx.c:1124:13: warning: passing argument 1 of ‘print_client_CA_list’ makes pointer from integer without a cast [enabled by default]
In file included from ctx.c:39:0:
prototypes.h:521:6: note: expected ‘const struct WOLFSSL_STACK *’ but argument is of type ‘int’
 void print_client_CA_list(const STACK_OF(X509_NAME) *);
      ^
ctx.c:1126:19: error: ‘TLS_ST_CR_SRVR_DONE’ undeclared (first use in this function)
         if(state==TLS_ST_CR_SRVR_DONE)
                   ^
ctx.c: In function ‘SSL_CTX_get_ciphers’:
ctx.c:293:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
make[2]: *** [stunnel-ctx.o] Error 1
make[2]: Leaving directory `/home/roy/prj/stunnel-5.40/src'