diff --git a/cmake/system.cmake b/cmake/system.cmake index bf4c548b92..c085bceef8 100644 --- a/cmake/system.cmake +++ b/cmake/system.cmake @@ -418,10 +418,16 @@ if (USE_OPENMP) if (NOT NOFORTRAN) find_package(OpenMP COMPONENTS Fortran REQUIRED) # Avoid mixed OpenMP linkage - get_target_property(OMP_C_LIB OpenMP::OpenMP_C INTERFACE_LINK_LIBRARIES) - get_target_property(OMP_Fortran_LIB OpenMP::OpenMP_Fortran INTERFACE_LINK_LIBRARIES) - if (NOT OMP_C_LIB STREQUAL OMP_Fortran_LIB) - message(FATAL_ERROR "Multiple OpenMP runtime libraries detected. Mixed OpenMP runtime linkage is dangerous. You may pass -DOpenMP_LANG_LIB_NAMES and -DOpenMP_omp_LIBRARY to manually choose the OpenMP library.") + get_target_property(OMP_C_LIBS OpenMP::OpenMP_C INTERFACE_LINK_LIBRARIES) + get_target_property(OMP_F_LIBS OpenMP::OpenMP_Fortran INTERFACE_LINK_LIBRARIES) + if (NOT OMP_C_LIBS STREQUAL OMP_F_LIBS) + message(NOTICE + "CMake detected different OpenMP libraries for C and Fortran:\n" + "C=${OMP_C_LIBS}\n" + "Fortran=${OMP_F_LIBS}\n" + "In case you encounter issues, please check that this is correct.\n" + "You may pass -DOpenMP__LIB_NAMES and -DOpenMP__LIBRARY to cmake to manually force the OpenMP library." + ) endif() endif () endif ()