波科出错

Error with Poco

本文关键字:出错      更新时间:2023-10-16

我想在我的C++项目中使用 Poco 库。但是我在编译时遇到错误。

我正在 Ubuntu OS 上开发,CLion 1.2.4 IDE

这是我的源代码:

#include "Poco/Net/ServerSocket.h"
#include <iostream>
int main(int arc, char** argv){
    std::cout << "Hello world!";
    return 0;
}

这是我的CMakeLists.txt文件:

cmake_minimum_required(VERSION 3.3)
project(rcp)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
set(SOURCE_FILES main.cpp)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/bin")
include_directories("libraries")
add_executable(rcp ${SOURCE_FILES})
target_link_libraries(rcp pthread PocoNet PocoUtil PocoFoundation)

这是我进行编译时的输出:

CMakeFiles/rcp.dir/main.cpp.o: In function `Poco::Net::Impl::IPv6SocketAddressImpl::host() const':
main.cpp:(.text._ZNK4Poco3Net4Impl21IPv6SocketAddressImpl4hostEv[_ZNK4Poco3Net4Impl21IPv6SocketAddressImpl4hostEv]+0x11): undefined reference to `Poco::Net::IPAddress::IPAddress(void const*, unsigned int, unsigned int)'
CMakeFiles/rcp.dir/main.cpp.o: In function `Poco::Net::Impl::IPv6SocketAddressImpl::~IPv6SocketAddressImpl()':
main.cpp:(.text._ZN4Poco3Net4Impl21IPv6SocketAddressImplD2Ev[_ZN4Poco3Net4Impl21IPv6SocketAddressImplD5Ev]+0x8): undefined reference to `Poco::Net::Impl::SocketAddressImpl::~SocketAddressImpl()'
CMakeFiles/rcp.dir/main.cpp.o: In function `Poco::Net::Impl::IPv6SocketAddressImpl::~IPv6SocketAddressImpl()':
main.cpp:(.text._ZN4Poco3Net4Impl21IPv6SocketAddressImplD0Ev[_ZN4Poco3Net4Impl21IPv6SocketAddressImplD5Ev]+0xc): undefined reference to `Poco::Net::Impl::SocketAddressImpl::~SocketAddressImpl()'
CMakeFiles/rcp.dir/main.cpp.o: In function `Poco::Net::Impl::IPv4SocketAddressImpl::~IPv4SocketAddressImpl()':
main.cpp:(.text._ZN4Poco3Net4Impl21IPv4SocketAddressImplD2Ev[_ZN4Poco3Net4Impl21IPv4SocketAddressImplD5Ev]+0x8): undefined reference to `Poco::Net::Impl::SocketAddressImpl::~SocketAddressImpl()'
CMakeFiles/rcp.dir/main.cpp.o: In function `Poco::Net::Impl::IPv4SocketAddressImpl::~IPv4SocketAddressImpl()':
main.cpp:(.text._ZN4Poco3Net4Impl21IPv4SocketAddressImplD0Ev[_ZN4Poco3Net4Impl21IPv4SocketAddressImplD5Ev]+0xc): undefined reference to `Poco::Net::Impl::SocketAddressImpl::~SocketAddressImpl()'
CMakeFiles/rcp.dir/main.cpp.o:(.rodata._ZTIN4Poco3Net4Impl21IPv4SocketAddressImplE[_ZTIN4Poco3Net4Impl21IPv4SocketAddressImplE]+0x10): undefined reference to `typeinfo for Poco::Net::Impl::SocketAddressImpl'
CMakeFiles/rcp.dir/main.cpp.o:(.rodata._ZTIN4Poco3Net4Impl21IPv6SocketAddressImplE[_ZTIN4Poco3Net4Impl21IPv6SocketAddressImplE]+0x10): undefined reference to `typeinfo for Poco::Net::Impl::SocketAddressImpl'
collect2: error: ld returned 1 exit status
CMakeFiles/rcp.dir/build.make:94: recipe for target '/home/john/projects/rightChoiceProperty/bin/rcp' failed
make[3]: *** [/home/john/projects/rightChoiceProperty/bin/rcp] Error 1
CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/rcp.dir/all' failed
make[2]: *** [CMakeFiles/rcp.dir/all] Error 2
CMakeFiles/Makefile2:79: recipe for target 'CMakeFiles/rcp.dir/rule' failed
make[1]: *** [CMakeFiles/rcp.dir/rule] Error 2
Makefile:118: recipe for target 'rcp' failed
make: *** [rcp] Error 2

的问题在哪里,我今天一直在搜索,但我找不到任何东西,请帮助我解决这个问题。

谢谢每一位身体

我解决了这个问题,如上面评论中的" M.M"指南:

输出表明您实际上并没有链接到Poco::Net。 另一种可能性是,如果您使用的是来自 与您链接的编译库不同的 Poco 版本 对

我删除了更改包含以包含正确的库。

起初这是我的包含行:

#include "Poco/Net/ServerSocket.h"

更改为

#include <Poco/Net/ServerSocket.h>

现在一切正常。

谢谢妈妈