...
Checking for unsigned int __attribute__ ((__mode__ (DI)))... no
Checking for uint64_t... (cached) no
Checking for unsigned int __attribute__ ((__mode__ (DI)))... (cached) no

  It looks like your compiler doesn't support a 128-bit integer type (one of
  "int __attribute__ ((__mode__ (TI)))" or "__int128"). One of these types is
  necessary to compile the Math::Int128 module.