cmake/Findfutimens.cmake

   1 include(EnableWarnings)
   2
   3 if(APPLE)
   4         # We cannot simply CHECK_FUNCTION_EXISTS on macOS because
   5         # MACOSX_DEPLOYMENT_TARGET may be set to a version in the past
   6         # that doesn't have futimens.  Instead we need to enable warnings
   7         # as errors, then check for the symbol existing in `sys/stat.h`,
   8         # then reset warnings as errors.
   9         enable_warnings(error)
  10         check_symbol_exists(futimens sys/stat.h HAVE_FUTIMENS)
  11         disable_warnings(error)
  12 else()
  13         check_function_exists(futimens HAVE_FUTIMENS)
  14 endif()