link to pthread library using CMake (in CLion)
Before CMake 2.8.12:
find_package(Threads REQUIRED)
if(THREADS_HAVE_PTHREAD_ARG)
set_property(TARGET my_app PROPERTY COMPILE_OPTIONS "-pthread")
set_property(TARGET my_app PROPERTY INTERFACE_COMPILE_OPTIONS "-pthread")
endif()
if(CMAKE_THREAD_LIBS_INIT)
target_link_libraries(my_app "${CMAKE_THREAD_LIBS_INIT}")
endif()
If you have CMAKE 2.8.12+:
find_package(Threads REQUIRED)
if(THREADS_HAVE_PTHREAD_ARG)
target_compile_options(my_app PUBLIC "-pthread")
endif()
if(CMAKE_THREAD_LIBS_INIT)
target_link_libraries(my_app "${CMAKE_THREAD_LIBES_INIT}")
endif()
If you have CMake 3.1.0+
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
target_link_libraries(my_app Threads::Threads)
If you want to use one of the first two methods with CMake 3.1+, you will need:
set(THREADS_PREFER_PTHREAD_FLAG ON)
Info taken from video by Anastasia Kazakova
For C:
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread")