CMake解决c++11的phread库问题：undefined reference to `pthread_create’_c++ thread undefined reference to `pthread_create

方法一

PROJECT(HELLO)
set(CMAKE_CXX_FLAGS "${CAMKE_CXX_FLAGS} -std=c++11")
AUX_SOURCE_DIRECTORY(. SRC_LIST)
ADD_EXECUTABLE(hello ${SRC_LIST})
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从cmake的CMakeLists.txt文件中可以看出cmake是像g++使用c++11特性一样，都有-std=c++11，所以像一样加个-pthread解决就行。

PROJECT(HELLO)
set(CMAKE_CXX_FLAGS "${CAMKE_CXX_FLAGS} -std=c++11 -pthread")
AUX_SOURCE_DIRECTORY(. SRC_LIST)
ADD_EXECUTABLE(hello ${SRC_LIST})
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方法二

使用包Threads和链接${CMAKE_THREAD_LIBS_INIT}

PROJECT(HELLO)
set(CMAKE_CXX_FLAGS "${CAMKE_CXX_FLAGS} -std=c++11")
FIND_PACKAGE(Threads)
AUX_SOURCE_DIRECTORY(. SRC_LIST)
ADD_EXECUTABLE(hello ${SRC_LIST})
TARGET_LINK_LIBRARIES(hello ${CMAKE_THREAD_LIBS_INIT})

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