链接Boost线程库 [英] Linking Boost thread library

问题描述

我试图在我的C ++项目中包含Boost的线程库。我的CMake文件是这样的：

I am trying to include Boost's thread library in my C++ project. My CMake file is like so:

cmake_minimum_required(VERSION 3.6)
project(LearningC)

find_package(Boost REQUIRED)
include_directories(${Boost_INCLUDE_DIR})

set(CMAKE_CXX_STANDARD 11)

set(SOURCE_FILES main.cpp Student.cpp Student.h)

add_executable(LearningC ${SOURCE_FILES})

target_link_libraries(LearningC ${Boost_LIBRARIES})

我收到一个错误：

Undefined symbols for architecture x86_64:
  "boost::this_thread::interruption_point()", referenced from:
      boost::condition_variable::wait(boost::unique_lock<boost::mutex>&) in main.cpp.o
   [More stack traces...]

我在做什么错了？

推荐答案

我找到了解决方案。基本上，Boost的大部分代码都位于C ++头文件（.hpp）中。但是某些库需要编译和链接...下面的代码有效！

I found a solution. Basically, Boost has most of its code in C++ headers (.hpp). Some of the libraries however need to be compiled and linked... The code below works!

cmake_minimum_required(VERSION 3.6)
project(LearningC)

set(CMAKE_CXX_STANDARD 11)

set(SOURCE_FILES main.cpp Student.cpp Student.h)

add_executable(LearningC ${SOURCE_FILES})

find_package(Boost COMPONENTS thread system REQUIRED)

include_directories(${Boost_INCLUDE_DIR})
target_link_libraries(LearningC ${Boost_LIBRARIES})

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