cmake HAVE_DECL_MHA_MAPSIZE_VA examples

alibaba/AliSQL cmake/os/SunOS.cmake :35 

CHECK_SYMBOL_EXISTS(MHA_MAPSIZE_VA sys/mman.h  HAVE_DECL_MHA_MAPSIZE_VA)

arkdb/arkproxy cmake/os/SunOS.cmake :35 

CHECK_SYMBOL_EXISTS(MHA_MAPSIZE_VA sys/mman.h  HAVE_DECL_MHA_MAPSIZE_VA)

alibaba/AliSQLBackup cmake/os/SunOS.cmake :35 

CHECK_SYMBOL_EXISTS(MHA_MAPSIZE_VA sys/mman.h  HAVE_DECL_MHA_MAPSIZE_VA)