CMake Warning at source_subfolder/libomptarget/cmake/Modules/LibomptargetUtils.cmake:20 (message):
  LIBOMPTARGET: The check-libomptarget target will not be available!
Call Stack (most recent call first):
  source_subfolder/libomptarget/test/CMakeLists.txt:5 (libomptarget_warning_say)


CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CMAKE_INSTALL_BINDIR
    CMAKE_INSTALL_DATAROOTDIR
    CMAKE_INSTALL_INCLUDEDIR
    CMAKE_INSTALL_LIBDIR
    CMAKE_INSTALL_LIBEXECDIR
    CMAKE_INSTALL_OLDINCLUDEDIR
    CMAKE_INSTALL_SBINDIR


CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


clang: warning: argument unused during compilation: '-Xpreprocessor -fopenmp'