CMakeFiles/helloboost.dir/condition_variable.cpp.o: In function `main':
/usr/include/c++/7/thread:126: undefined reference to `pthread_create'
collect2: error: ld returned 1 exit status
CMakeFiles/helloboost.dir/build.make:93: recipe for target '../helloboost' failed
make[2]: *** [../helloboost] Error 1
CMakeFiles/Makefile2:72: recipe for target 'CMakeFiles/helloboost.dir/all' failed
make[1]: *** [CMakeFiles/helloboost.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2
在执行cmake命令的时候报了上面的错误，这个解决方法是：
在cmake文件中加入
if (WIN32) set (PLATFORM_LIBS Ws2_32 mswsock iphlpapi ntdll) else (WIN32) set (PLATFORM_LIBS pthread ${CMAKE_DL_LIBS}) endif (WIN32)
并且在TARGET_LINK_LIBRARIES这个后面加上${PLATFORM_LIBS}
之后重新cmake就可以了
