cmake/FindStatNsec.cmake

   1 include(FeatureSummary)
   2
   3 check_struct_has_member("struct stat" st_mtim "sys/types.h;sys/stat.h"
   4         HAVE_STRUCT_STAT_ST_MTIM LANGUAGE C)
   5 check_struct_has_member("struct stat" st_mtimespec "sys/types.h;sys/stat.h"
   6         HAVE_STRUCT_STAT_ST_MTIMESPEC LANGUAGE C)
   7 check_struct_has_member("struct stat" st_mtime_nsec sys/stat.h
   8         HAVE_STRUCT_STAT_MTIME_NSEC LANGUAGE C)
   9
  10 if(HAVE_STRUCT_STAT_ST_MTIM)
  11         check_struct_has_member("struct stat" st_mtim.tv_nsec sys/stat.h
  12                 HAVE_STRUCT_STAT_NSEC LANGUAGE C)
  13 elseif(HAVE_STRUCT_STAT_ST_MTIMESPEC)
  14         check_struct_has_member("struct stat" st_mtimespec.tv_nsec sys/stat.h
  15                 HAVE_STRUCT_STAT_NSEC LANGUAGE C)
  16 else()
  17         set(HAVE_STRUCT_STAT_NSEC ON )
  18 endif()
  19
  20 add_feature_info(nanoseconds USE_NSEC "support nanosecond precision file mtimes and ctimes")