基于CMake的方式
CMakeLists.txt
find_package(OpenMP REQUIRED)
if(OPENMP_FOUND)
message("Found OpenMP")
set(CMAKE_C_FLAGS ${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS})
set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS})
set(CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS})
endif()
