error: ‘Perl_newXS’ redeclared as different kind of symbol
/usr/lib64/perl5/CORE/proto.h:2517:19: note: previous declaration of ‘Perl_newXS’ was here
 2517 | PERL_CALLCONV CV* Perl_newXS(pTHX_ const char *name, XSUBADDR_t subaddr, const char *filename);