您也可以添加編譯器選項,如下所示:
如果你有CMake 3.1.0+,這變得更容易:
set(THREADS_PREFER_PTHREAD_FLAG ON)find_package(Threads REQUIRED)target_link_libraries(my_app Threads::Threads)
如果您使用的是CMake 2.8.12+,則可以將其簡化為:
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 "${CMAKE_THREAD_LIBS_INIT}")endif()
較舊的CMake版本可能需要:
find_package(Threads REQUIRED)if(THREADS_HAVE_PTHREAD_ARG)
set_property(TARGET my_app PROPERTY COMPILE_OPTIONS "-pthread")
set_property(TARGET my_app PROPERTY INTERFACE_COMPILE_OPTIONS "-pthread")endif()if(CMAKE_THREAD_LIBS_INIT)
target_link_libraries(my_app "${CMAKE_THREAD_LIBS_INIT}")endif()
如果你想使用CMake 3.1+的前兩種方法之一,你也需要set(THREADS_PREFER_PTHREAD_FLAG ON)
它。