c – Boost Asio和OpenSSL 1.1.0
发布时间:2020-12-16 10:03:01 所属栏目:百科 来源:网络整理
导读:我目前正在研究一个C IMAP库,以便我可以改进一些公认的生锈C技能.我想让这个库尽可能便携,以便我可以在OS上使用它,如果我感到疯狂,甚至可能在移动设备上.为此,我做了一些研究并决定使用Boost的Asio库. 我能够让Boost独立构建并运行在我的项目中.我的活动为go
我目前正在研究一个C IMAP库,以便我可以改进一些公认的生锈C技能.我想让这个库尽可能便携,以便我可以在OS上使用它,如果我感到疯狂,甚至可能在移动设备上.为此,我做了一些研究并决定使用Boost的Asio库.
我能够让Boost独立构建并运行在我的项目中.我的活动为google.com做了一个简单的HTTP GET.不幸的是,我需要能够使用TLS进行通信,并且我遇到了试图使用Asio的SSL功能的问题. 我使用默认设置从源代码构建了Boost和OpenSSL(所以一切都在/usr/local中).我也在使用CMAKE来构建我的项目.下面是我的CMAKE文件: cmake_minimum_required(VERSION 3.2) project(IMAP) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") message(WARNING "Starting CMAKE...") set(SOURCE_FILES main.cpp) add_executable(IMAP ${SOURCE_FILES}) find_package(Boost COMPONENTS system thread regex REQUIRED) message(WARNING "Boost_INCLUDE_DIR: ${Boost_INCLUDE_DIR}") message(WARNING "Boost_LIBRARIES: ${Boost_LIBRARIES}") message(WARNING "Boost_VERSION: ${Boost_VERSION}") include_directories(${Boost_INCLUDE_DIR}) target_link_libraries(IMAP ${Boost_LIBRARIES}) find_package(OpenSSL REQUIRED) message(WARNING "OpenSSL_VERSION: ${OPENSSL_VERSION}") message(WARNING "OpenSSL_INCLUDE_DIR: ${OPENSSL_INCLUDE_DIR}") message(WARNING "OpenSSL_LIBRARIES: ${OPENSSL_LIBRARIES}") include_directories(${OPENSSL_INCLUDE_DIR}) target_link_libraries(IMAP ${OPENSSL_LIBRARIES}) 这是我的CMAKE消息的输出: Warning:Starting CMAKE... Warning:Boost_INCLUDE_DIR: /usr/local/include Warning:Boost_LIBRARIES: /usr/local/lib/libboost_system.dylib;/usr/local/lib/libboost_thread.dylib;/usr/local/lib/libboost_regex.dylib;/usr/local/lib/libboost_chrono.dylib;/usr/local/lib/libboost_date_time.dylib;/usr/local/lib/libboost_atomic.dylib Warning:Boost_VERSION: 106100 Warning:OpenSSL_VERSION: 1.1.0 Warning:OpenSSL_INCLUDE_DIR: /usr/local/include Warning:OpenSSL_LIBRARIES: /usr/local/lib/libssl.dylib;/usr/local/lib/libcrypto.dylib 当我尝试构建项目时,我收到以下一堆错误: In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:29: In file included from /usr/local/include/boost/asio/ssl/detail/openssl_init.hpp:100: /usr/local/include/boost/asio/ssl/detail/impl/openssl_init.ipp:43:23: error: expected unqualified-id mutexes_.resize(::CRYPTO_num_locks()); ^ /usr/local/include/openssl/crypto.h:218:41: note: expanded from macro 'CRYPTO_num_locks' # define CRYPTO_num_locks() (0) ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:29: In file included from /usr/local/include/boost/asio/ssl/detail/openssl_init.hpp:100: /usr/local/include/boost/asio/ssl/detail/impl/openssl_init.ipp:46:66: error: expected unqualified-id ::CRYPTO_set_locking_callback(&do_init::openssl_locking_func); ^ /usr/local/include/boost/asio/ssl/detail/impl/openssl_init.ipp:47:56: error: expected unqualified-id ::CRYPTO_set_id_callback(&do_init::openssl_id_func); ^ /usr/local/include/boost/asio/ssl/detail/impl/openssl_init.ipp:64:32: error: expected unqualified-id ::CRYPTO_set_id_callback(0); ^ /usr/local/include/boost/asio/ssl/detail/impl/openssl_init.ipp:65:37: error: expected unqualified-id ::CRYPTO_set_locking_callback(0); ^ /usr/local/include/boost/asio/ssl/detail/impl/openssl_init.ipp:66:7: error: expected unqualified-id ::ERR_free_strings(); ^ /usr/local/include/openssl/err.h:241:29: note: expanded from macro 'ERR_free_strings' # define ERR_free_strings() while(0) continue ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:29: In file included from /usr/local/include/boost/asio/ssl/detail/openssl_init.hpp:100: /usr/local/include/boost/asio/ssl/detail/impl/openssl_init.ipp:68:7: warning: 'ERR_remove_thread_state' is deprecated [-Wdeprecated-declarations] ::ERR_remove_thread_state(NULL); ^ /usr/local/include/openssl/err.h:244:25: note: 'ERR_remove_thread_state' has been explicitly marked deprecated here DEPRECATEDIN_1_1_0(void ERR_remove_thread_state(void *)) ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:29: In file included from /usr/local/include/boost/asio/ssl/detail/openssl_init.hpp:100: /usr/local/include/boost/asio/ssl/detail/impl/openssl_init.ipp:72:7: error: expected unqualified-id ::EVP_cleanup(); ^ /usr/local/include/openssl/evp.h:865:25: note: expanded from macro 'EVP_cleanup' # define EVP_cleanup() while(0) continue ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:29: In file included from /usr/local/include/boost/asio/ssl/detail/openssl_init.hpp:100: /usr/local/include/boost/asio/ssl/detail/impl/openssl_init.ipp:73:7: error: expected unqualified-id ::CRYPTO_cleanup_all_ex_data(); ^ /usr/local/include/openssl/crypto.h:206:39: note: expanded from macro 'CRYPTO_cleanup_all_ex_data' # define CRYPTO_cleanup_all_ex_data() while(0) continue ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:29: In file included from /usr/local/include/boost/asio/ssl/detail/openssl_init.hpp:100: /usr/local/include/boost/asio/ssl/detail/impl/openssl_init.ipp:76:7: error: expected unqualified-id ::ENGINE_cleanup(); ^ /usr/local/include/openssl/engine.h:508:27: note: expanded from macro 'ENGINE_cleanup' # define ENGINE_cleanup() while(0) continue ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:29: In file included from /usr/local/include/boost/asio/ssl/detail/openssl_init.hpp:100: /usr/local/include/boost/asio/ssl/detail/impl/openssl_init.ipp:106:16: error: use of undeclared identifier 'CRYPTO_LOCK' if (mode & CRYPTO_LOCK) ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:83:31: error: no member named 'SSLv2_method' in the global namespace handle_ = ::SSL_CTX_new(::SSLv2_method()); ~~^ /usr/local/include/boost/asio/ssl/impl/context.ipp:86:31: error: no member named 'SSLv2_client_method' in the global namespace handle_ = ::SSL_CTX_new(::SSLv2_client_method()); ~~^ /usr/local/include/boost/asio/ssl/impl/context.ipp:89:31: error: no member named 'SSLv2_server_method' in the global namespace handle_ = ::SSL_CTX_new(::SSLv2_server_method()); ~~^ /usr/local/include/boost/asio/ssl/impl/context.ipp:111:31: warning: 'TLSv1_method' is deprecated [-Wdeprecated-declarations] handle_ = ::SSL_CTX_new(::TLSv1_method()); ^ /usr/local/include/openssl/ssl.h:1556:45: note: 'TLSv1_method' has been explicitly marked deprecated here DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_method(void)) /* TLSv1.0 */ ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:114:31: warning: 'TLSv1_client_method' is deprecated [-Wdeprecated-declarations] handle_ = ::SSL_CTX_new(::TLSv1_client_method()); ^ /usr/local/include/openssl/ssl.h:1558:45: note: 'TLSv1_client_method' has been explicitly marked deprecated here DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_client_method(void)) /* TLSv1.0 */ ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:117:31: warning: 'TLSv1_server_method' is deprecated [-Wdeprecated-declarations] handle_ = ::SSL_CTX_new(::TLSv1_server_method()); ^ /usr/local/include/openssl/ssl.h:1557:45: note: 'TLSv1_server_method' has been explicitly marked deprecated here DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_server_method(void)) /* TLSv1.0 */ ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:130:31: warning: 'TLSv1_1_method' is deprecated [-Wdeprecated-declarations] handle_ = ::SSL_CTX_new(::TLSv1_1_method()); ^ /usr/local/include/openssl/ssl.h:1562:45: note: 'TLSv1_1_method' has been explicitly marked deprecated here DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_method(void)) /* TLSv1.1 */ ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:133:31: warning: 'TLSv1_1_client_method' is deprecated [-Wdeprecated-declarations] handle_ = ::SSL_CTX_new(::TLSv1_1_client_method()); ^ /usr/local/include/openssl/ssl.h:1564:45: note: 'TLSv1_1_client_method' has been explicitly marked deprecated here DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_client_method(void)) /* TLSv1.1 */ ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:136:31: warning: 'TLSv1_1_server_method' is deprecated [-Wdeprecated-declarations] handle_ = ::SSL_CTX_new(::TLSv1_1_server_method()); ^ /usr/local/include/openssl/ssl.h:1563:45: note: 'TLSv1_1_server_method' has been explicitly marked deprecated here DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_1_server_method(void)) /* TLSv1.1 */ ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:148:31: warning: 'TLSv1_2_method' is deprecated [-Wdeprecated-declarations] handle_ = ::SSL_CTX_new(::TLSv1_2_method()); ^ /usr/local/include/openssl/ssl.h:1568:45: note: 'TLSv1_2_method' has been explicitly marked deprecated here DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_method(void)) /* TLSv1.2 */ ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:151:31: warning: 'TLSv1_2_client_method' is deprecated [-Wdeprecated-declarations] handle_ = ::SSL_CTX_new(::TLSv1_2_client_method()); ^ /usr/local/include/openssl/ssl.h:1570:45: note: 'TLSv1_2_client_method' has been explicitly marked deprecated here DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_client_method(void)) /* TLSv1.2 */ ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:154:31: warning: 'TLSv1_2_server_method' is deprecated [-Wdeprecated-declarations] handle_ = ::SSL_CTX_new(::TLSv1_2_server_method()); ^ /usr/local/include/openssl/ssl.h:1569:45: note: 'TLSv1_2_server_method' has been explicitly marked deprecated here DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_2_server_method(void)) /* TLSv1.2 */ ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:208:16: error: member access into incomplete type 'SSL_CTX' (aka 'ssl_ctx_st') if (handle_->default_passwd_callback_userdata) ^ /usr/local/include/openssl/ossl_typ.h:144:16: note: forward declaration of 'ssl_ctx_st' typedef struct ssl_ctx_st SSL_CTX; ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:212:20: error: member access into incomplete type 'SSL_CTX' (aka 'ssl_ctx_st') handle_->default_passwd_callback_userdata); ^ /usr/local/include/openssl/ossl_typ.h:144:16: note: forward declaration of 'ssl_ctx_st' typedef struct ssl_ctx_st SSL_CTX; ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:212:22: error: expected ')' handle_->default_passwd_callback_userdata); ^ /usr/local/include/boost/asio/ssl/impl/context.ipp:211:53: note: to match this '(' static_cast<detail::password_callback_base*>( ^ /usr/local/include/boost/asio/ssl/impl/context.ipp:214:14: error: member access into incomplete type 'SSL_CTX' (aka 'ssl_ctx_st') handle_->default_passwd_callback_userdata = 0; ^ /usr/local/include/openssl/ossl_typ.h:144:16: note: forward declaration of 'ssl_ctx_st' typedef struct ssl_ctx_st SSL_CTX; ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:551:18: error: member access into incomplete type 'SSL_CTX' (aka 'ssl_ctx_st') handle_->default_passwd_callback,^ /usr/local/include/openssl/ossl_typ.h:144:16: note: forward declaration of 'ssl_ctx_st' typedef struct ssl_ctx_st SSL_CTX; ^ In file included from /path/to/my/code/JMail/IMAP/main.cpp:4: In file included from /path/to/my/code/JMail/IMAP/IMAPClient.h:6: In file included from /path/to/my/code/JMail/IMAP/TLSSocket.h:9: In file included from /usr/local/include/boost/asio/ssl.hpp:19: In file included from /usr/local/include/boost/asio/ssl/context.hpp:786: /usr/local/include/boost/asio/ssl/impl/context.ipp:552:18: error: member access into incomplete type 'SSL_CTX' (aka 'ssl_ctx_st') handle_->default_passwd_callback_userdata) }; ^ /usr/local/include/openssl/ossl_typ.h:144:16: note: forward declaration of 'ssl_ctx_st' typedef struct ssl_ctx_st SSL_CTX; ^ fatal error: too many errors emitted,stopping now [-ferror-limit=] 10 warnings and 20 errors generated. 正在引用的TLSSocket类基本上只是Boost Asio SSL示例的包装器: #include <boost/bind.hpp> #include <boost/asio.hpp> #include <boost/asio/ssl.hpp> void TLSSocket::connect() { boost::asio::io_service io_service; boost::asio::ip::tcp::resolver resolver(io_service); boost::asio::ip::tcp::resolver::query query(this->address,this->port); boost::asio::ip::tcp::resolver::iterator iterator = resolver.resolve(query); boost::asio::ssl::context ctx(boost::asio::ssl::context::tlsv1); mSocket = new boost::asio::ssl::stream<boost::asio::ip::tcp::socket>(io_service,ctx); mSocket->set_verify_mode(boost::asio::ssl::verify_peer); mSocket->set_verify_callback(boost::bind(&TLSSocket::on_verify_certificate,this,_1,_2)); boost::asio::async_connect(mSocket->lowest_layer(),iterator,boost::bind(&TLSSocket::on_connect,boost::asio::placeholders::error)); io_service.run(); } void TLSSocket::disconnect() { mSocket->lowest_layer().cancel(); } TLSSocket::TLSSocket(std::string address,std::string port) { this->address = address; this->port = port; mSocket = nullptr; } void *TLSSocket::send(IMAPRequest *request) { boost::asio::streambuf requestBuff; std::ostream request_stream(&requestBuff); request_stream << request->getTag() << " " << request->getCommand() << " " << request->getContent() << "rn"; boost::asio::write(*mSocket,requestBuff); for (; ;) { boost::array<char,128> buffer; boost::system::error_code error; size_t len = mSocket->read_some(boost::asio::buffer(buffer),error); if (error == boost::asio::error::eof) break; else if (error) throw boost::system::system_error(error); std::cout.write(buffer.data(),len); } } void TLSSocket::on_connect(const boost::system::error_code& error){ if(!error) { try { mSocket->async_handshake(boost::asio::ssl::stream_base::handshake_type ::client,boost::bind(&TLSSocket::on_handshake,boost::asio::placeholders::error)); } catch (std::exception ex){ std::cout << "Handshaking error: " << ex.what() << "n"; } } else { std::cout << "Connect error: " << error.message() << "n"; } } void TLSSocket::on_handshake(const boost::system::error_code& error){ if(!error){ } else { std::cout << "Handshaking error: " << error.message() << "n"; } } bool TLSSocket::on_verify_certificate(bool verified,boost::asio::ssl::verify_context &ctx) { char subject_name[256]; X509* cert = X509_STORE_CTX_get_current_cert(ctx.native_handle()); X509_NAME_oneline(X509_get_subject_name(cert),subject_name,256); std::cout << "Verifying " << subject_name << "n"; return verified; } 在我看来它甚至没有进入编译的链接阶段,它只是试图为我的main.cpp制作.o文件.如果我在IDE中打开它抱怨的其中一个文件,IDE会给我一个语法错误突出显示,但我很难过为什么. 我把包含的顺序错了吗?我的CMAKE文件有问题吗?我是否错误地构建了OpenSSL或Boost? 任何帮助,将不胜感激.我已经在这个开关工作了几个星期,并且花了大部分时间才开始构建(C第1课,我猜:)). 解决方法
这看起来像Boost还没有更新到使用OpenSSL 1.1.0. OpenSSL 1.0.2和1.1.0之间存在许多API更改,并且它们不完全源兼容.我建议您使用1.0.2,直到Boost更新为使用新的OpenSSL版本(无论如何仍处于测试阶段).
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