cmake HAVE_STRUCT_STAT_ST_MTIMESPEC examples

emcrisostomo/fswatch libfswatch/CMakeLists.txt :78 

check_struct_has_member("struct stat" st_mtimespec sys/stat.h HAVE_STRUCT_STAT_ST_MTIMESPEC)

CTSRD-CHERI/cheribsd contrib/nvi/CMakeLists.txt :231 

check_struct_has_member("struct stat" st_mtimespec
    "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIMESPEC LANGUAGE C)