Dear William, I am sorry for the last intercepted email. I tried the way as your instruction. But the problem is still there. If there is another reason for my question. I am not sure if the openssl lib is not compiled. Thank you.
Best Regards, Xiang > Subject: RE: ERROR LINK2019 > Date: Tue, 13 Apr 2010 16:34:35 -0700 > From: jfarr...@pillardata.com > To: openssl-users@openssl.org > CC: luxiang...@hotmail.com > > > > > From: William A. Rowe Jr. > > > > On 4/13/2010 4:49 PM, 芦翔 wrote: > > > Dear all, > > > I am trying to add the security flavor to an > > application. To achieve > > > this objective, I wrote the codes to establish a security > > tunnel between > > > the server and the client with VC2008. When I build the > > whole project, > > > there are tens of similar errors. All of them are as follows: > > > > > >>SSLServer.obj : error LNK2019: unresolved external symbol _BIO_free > > > referenced in function "int __cdecl > > > SSL_CTX_use_PrivateKey_file_pass(struct ssl_ctx_st *,char *,char *)" > > > (?SSL_CTX_use_PrivateKey_file_pass@@YAHPAUssl_ctx_st@@p...@z > > > > > <mailto:?SSL_CTX_use_PrivateKey_file_pass@@YAHPAUssl_ctx_st@@p...@z>) > > > > That signature is consistent with C++ argument folding. > > > > The openssl headers you've used probably were missing this decoration > > > > #ifdef __cplusplus > > extern "C" { > > #endif > > > > ... > > > > #ifdef __cplusplus > > } > > #endif > > > > So you should put your #include references in between the > > snippets above > > (in place of the ... elipses). > > He's clearly calling then from C++, but the names it can't find don't look > C++ decorated to me - _BIO_free looks like a normal Microsoft C reference. > > Isn't the problem here just that he's not linking against the OpenSSL > libraries? > ______________________________________________________________________ > OpenSSL Project http://www.openssl.org > User Support Mailing List openssl-users@openssl.org > Automated List Manager majord...@openssl.org _________________________________________________________________ 约会说不清地方？来试试微软地图最新msn互动功能！ http://ditu.live.com/?form=TL&swm=1
