In file included from Identify.xs:4:
ppport.h:4389:10: warning: ‘WIDEST_UTYPE’ redefined
 4389 | # define WIDEST_UTYPE U64TYPE
      |          ^~~~~~~~~~~~
In file included from /usr/lib/perl5/5.42.2/core_perl/CORE/perl.h:3295,
                 from Identify.xs:2:
/usr/lib/perl5/5.42.2/core_perl/CORE/handy.h:1417:9: note: this is the location of the previous definition
 1417 | #define WIDEST_UTYPE PERL_UINTMAX_T
      |         ^~~~~~~~~~~~
ppport.h:6060:11: warning: ‘MUTABLE_PTR’ redefined
 6060 | #  define MUTABLE_PTR(p) ({ void *_p = (p); _p; })
      |           ^~~~~~~~~~~
/usr/lib/perl5/5.42.2/core_perl/CORE/handy.h:95:11: note: this is the location of the previous definition
   95 | #  define MUTABLE_PTR(p) ({ void *p_ = (p); p_; })
      |           ^~~~~~~~~~~