【问题标题】:synergy 1.4.16 fails to compile - undefined reference to `pthread_xxxx'synergy 1.4.16 无法编译 - 未定义对“pthread_xxxx”的引用
【发布时间】:2018-02-23 08:47:17
【问题描述】:

尝试在 Mint 17.1 (Rebecca) 上编译 synergy 1.4.16 时出现以下错误:

../../../../../lib/libarch.a(CArchMultithreadPosix.o): In function `CArchMultithreadPosix::newMutex()':
CArchMultithreadPosix.cpp:(.text+0x319): undefined reference to `pthread_mutexattr_init'
../../../../../lib/libarch.a(CArchMultithreadPosix.o): In function `CArchMultithreadPosix::raiseSignal(IArchMultithread::ESignal)':
CArchMultithreadPosix.cpp:(.text+0x43b): undefined reference to `pthread_kill'
../../../../../lib/libarch.a(CArchMultithreadPosix.o): In function `CArchMultithreadPosix::threadSignalHandler(void*)':
CArchMultithreadPosix.cpp:(.text+0x490): undefined reference to `pthread_detach'
../../../../../lib/libarch.a(CArchMultithreadPosix.o): In function `CArchMultithreadPosix::closeThread(CArchThreadImpl*)':
CArchMultithreadPosix.cpp:(.text+0x62b): undefined reference to `pthread_detach'
../../../../../lib/libarch.a(CArchMultithreadPosix.o): In function `CArchMultithreadPosix::newThread(void* (*)(void*), void*)':
CArchMultithreadPosix.cpp:(.text+0x8e6): undefined reference to `pthread_sigmask'
CArchMultithreadPosix.cpp:(.text+0x90f): undefined reference to `pthread_sigmask'
CArchMultithreadPosix.cpp:(.text+0x935): undefined reference to `pthread_create'
CArchMultithreadPosix.cpp:(.text+0x9a4): undefined reference to `pthread_create'
../../../../../lib/libarch.a(CArchMultithreadPosix.o): In function `CArchMultithreadPosix::CArchMultithreadPosix()':
CArchMultithreadPosix.cpp:(.text+0xe11): undefined reference to `pthread_mutexattr_init'
CArchMultithreadPosix.cpp:(.text+0xf05): undefined reference to `pthread_sigmask'
CArchMultithreadPosix.cpp:(.text+0xf26): undefined reference to `pthread_sigmask'
../../../../../lib/libarch.a(CArchMultithreadPosix.o): In function `CArchMultithreadPosix::startSignalHandler()':
CArchMultithreadPosix.cpp:(.text+0x10a8): undefined reference to `pthread_sigmask'
CArchMultithreadPosix.cpp:(.text+0x10cd): undefined reference to `pthread_sigmask'
CArchMultithreadPosix.cpp:(.text+0x1104): undefined reference to `pthread_create'
../../../../../lib/libarch.a(CArchMultithreadPosix.o): In function `CArchMultithreadPosix::cancelThread(CArchThreadImpl*)':
CArchMultithreadPosix.cpp:(.text+0x5e3): undefined reference to `pthread_kill'
collect2: error: ld returned 1 exit status
make[2]: *** [../../bin/synergyd] Error 1
make[1]: *** [src/cmd/synergyd/CMakeFiles/synergyd.dir/all] Error 2
make: *** [all] Error 2
Going back to: /home/jussi/Downloads/synergy-1.4.16/synergy-1.4.16-Source
Error: make failed: 512

我已经尝试了相同问题here 的解决方案,但是在src/cmd/synergyd/CMakeLists.txttarget_link_libraries 末尾添加pthread 的解决方案并不能解决我的问题,它保持不变。

我不使用预编译包的唯一原因是我需要对我的 Raspberry Pi 3 使用协同作用,并且通过 packge 存储库提供的包具有不兼容的协同协议 - Pi 上的 1.4.16 与上的 1.4.12 Mint 17.1 因此,在每台机器上具有兼容协议的替代解决方案也足够了。

【问题讨论】:

    标签: c++ pthreads raspberry-pi3 raspbian


    【解决方案1】:

    在 CMakeList.txt 中的项目定义之后设置 CMAKE_CXX_FLAGS 使它对我有用:

    首先,声明项目(对先决条件检查很重要)。

    项目(协同C CXX)

    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++03 -pthread")

    【讨论】:

    • 很棒的死灵术!当我再次启动我的 RasPi 时,我会试试你的解决方案,现在它已经休眠一年了,所以不能马上尝试。
    【解决方案2】:

    确定了一个替代解决方案:我通过(ab?)使用具有更高协议版本的协同服务器似乎向后兼容旧协议版本这一事实来解决这个问题,因此我编译了版本 1.8.something 和我的 Pi 上的 1.4.16 客户端很高兴连接,我现在可以与 Pi 共享连接到我的 Mint 的键盘和鼠标。

    【讨论】:

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