ZooKeeper Perl client zkperl doesn't compile on newer RHEL systems ie. Fedora

# perl Makefile.PL --zookeeper-include=/usr/local/include --zookeeper-lib=/usr/local/lib
Generating a Unix-style Makefile
Writing Makefile for Net::ZooKeeper
Writing MYMETA.yml and MYMETA.json

# make
Skip blib/lib/Net/ZooKeeper.pm (unchanged)
Running Mkbootstrap for ZooKeeper ()
chmod 644 "ZooKeeper.bs"
"/usr/bin/perl" -MExtUtils::Command::MM -e 'cp_nonempty' -- ZooKeeper.bs blib/arch/auto/Net/ZooKeeper/ZooKeeper.bs 644
gcc -c  -I/usr/local/include -I. -D_REENTRANT -D_GNU_SOURCE -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -fno-strict-aliasing -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -g   -DVERSION=\"0.36\" -DXS_VERSION=\"0.36\" -fPIC "-I/usr/lib64/perl5/CORE"   ZooKeeper.c
ZooKeeper.c: In function ‘XS_Net__ZooKeeper_acl_constant’:
ZooKeeper.c:784:7: warning: unused variable ‘RETVAL’ [-Wunused-variable]
  AV * RETVAL;
       ^~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper_CLONE’:
ZooKeeper.c:1089:9: warning: unused variable ‘package’ [-Wunused-variable]
  char * package = (char *)SvPV_nolen(ST(0))
         ^~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper_CLONE_SKIP’:
ZooKeeper.c:1109:9: warning: unused variable ‘package’ [-Wunused-variable]
  char * package = (char *)SvPV_nolen(ST(0))
         ^~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper_TIEHASH’:
ZooKeeper.c:1129:9: warning: unused variable ‘package’ [-Wunused-variable]
  char * package = (char *)SvPV_nolen(ST(0))
         ^~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper_UNTIE’:
ZooKeeper.c:1151:5: warning: unused variable ‘ref_count’ [-Wunused-variable]
  IV ref_count = (IV)SvIV(ST(1))
     ^~~~~~~~~
ZooKeeper.c:1150:17: warning: variable ‘attr_hash’ set but not used [-Wunused-but-set-variable]
  Net__ZooKeeper attr_hash;
                 ^~~~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper_SCALAR’:
ZooKeeper.c:1281:17: warning: variable ‘attr_hash’ set but not used [-Wunused-but-set-variable]
  Net__ZooKeeper attr_hash;
                 ^~~~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper_DELETE’:
ZooKeeper.c:1528:7: warning: unused variable ‘attr_key’ [-Wunused-variable]
  SV * attr_key = ST(1)
       ^~~~~~~~
ZooKeeper.c:1527:17: warning: variable ‘attr_hash’ set but not used [-Wunused-but-set-variable]
  Net__ZooKeeper attr_hash;
                 ^~~~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper_CLEAR’:
ZooKeeper.c:1561:17: warning: variable ‘attr_hash’ set but not used [-Wunused-but-set-variable]
  Net__ZooKeeper attr_hash;
                 ^~~~~~~~~
ZooKeeper.xs: In function ‘XS_Net__ZooKeeper_add_auth’:
ZooKeeper.xs:1206:30: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 3 has type ‘STRLEN’ {aka ‘long unsigned int’} [-Wformat=]
             Perl_croak(aTHX_ "invalid certificate length: %u", cert_len);
                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  ~~~~~~~~
ZooKeeper.xs: In function ‘XS_Net__ZooKeeper_create’:
ZooKeeper.xs:1286:30: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 3 has type ‘STRLEN’ {aka ‘long unsigned int’} [-Wformat=]
             Perl_croak(aTHX_ "invalid data length: %u", buf_len);
                              ^~~~~~~~~~~~~~~~~~~~~~~~~  ~~~~~~~
ZooKeeper.xs:1321:21: error: format not a string literal and no format arguments [-Werror=format-security]
                     Perl_croak(aTHX_ err);
                     ^~~~~~~~~~
ZooKeeper.xs: In function ‘XS_Net__ZooKeeper_set’:
ZooKeeper.xs:1760:30: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 3 has type ‘STRLEN’ {aka ‘long unsigned int’} [-Wformat=]
             Perl_croak(aTHX_ "invalid data length: %u", buf_len);
                              ^~~~~~~~~~~~~~~~~~~~~~~~~  ~~~~~~~
ZooKeeper.xs: In function ‘XS_Net__ZooKeeper_set_acl’:
ZooKeeper.xs:1923:13: error: format not a string literal and no format arguments [-Werror=format-security]
             Perl_croak(aTHX_ err);
             ^~~~~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Stat_CLONE’:
ZooKeeper.c:2871:9: warning: unused variable ‘package’ [-Wunused-variable]
  char * package = (char *)SvPV_nolen(ST(0))
         ^~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Stat_CLONE_SKIP’:
ZooKeeper.c:2891:9: warning: unused variable ‘package’ [-Wunused-variable]
  char * package = (char *)SvPV_nolen(ST(0))
         ^~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Stat_TIEHASH’:
ZooKeeper.c:2911:9: warning: unused variable ‘package’ [-Wunused-variable]
  char * package = (char *)SvPV_nolen(ST(0))
         ^~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Stat_UNTIE’:
ZooKeeper.c:2933:5: warning: unused variable ‘ref_count’ [-Wunused-variable]
  IV ref_count = (IV)SvIV(ST(1))
     ^~~~~~~~~
ZooKeeper.c:2932:23: warning: variable ‘attr_hash’ set but not used [-Wunused-but-set-variable]
  Net__ZooKeeper__Stat attr_hash;
                       ^~~~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Stat_SCALAR’:
ZooKeeper.c:3065:23: warning: variable ‘attr_hash’ set but not used [-Wunused-but-set-variable]
  Net__ZooKeeper__Stat attr_hash;
                       ^~~~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Stat_STORE’:
ZooKeeper.c:3167:7: warning: unused variable ‘attr_val’ [-Wunused-variable]
  SV * attr_val = ST(2)
       ^~~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Stat_DELETE’:
ZooKeeper.c:3271:7: warning: unused variable ‘attr_key’ [-Wunused-variable]
  SV * attr_key = ST(1)
       ^~~~~~~~
ZooKeeper.c:3270:23: warning: variable ‘attr_hash’ set but not used [-Wunused-but-set-variable]
  Net__ZooKeeper__Stat attr_hash;
                       ^~~~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Stat_CLEAR’:
ZooKeeper.c:3304:23: warning: variable ‘attr_hash’ set but not used [-Wunused-but-set-variable]
  Net__ZooKeeper__Stat attr_hash;
                       ^~~~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Watch_CLONE’:
ZooKeeper.c:3405:9: warning: unused variable ‘package’ [-Wunused-variable]
  char * package = (char *)SvPV_nolen(ST(0))
         ^~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Watch_CLONE_SKIP’:
ZooKeeper.c:3425:9: warning: unused variable ‘package’ [-Wunused-variable]
  char * package = (char *)SvPV_nolen(ST(0))
         ^~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Watch_TIEHASH’:
ZooKeeper.c:3445:9: warning: unused variable ‘package’ [-Wunused-variable]
  char * package = (char *)SvPV_nolen(ST(0))
         ^~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Watch_UNTIE’:
ZooKeeper.c:3467:5: warning: unused variable ‘ref_count’ [-Wunused-variable]
  IV ref_count = (IV)SvIV(ST(1))
     ^~~~~~~~~
ZooKeeper.c:3466:24: warning: variable ‘attr_hash’ set but not used [-Wunused-but-set-variable]
  Net__ZooKeeper__Watch attr_hash;
                        ^~~~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Watch_SCALAR’:
ZooKeeper.c:3599:24: warning: variable ‘attr_hash’ set but not used [-Wunused-but-set-variable]
  Net__ZooKeeper__Watch attr_hash;
                        ^~~~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Watch_DELETE’:
ZooKeeper.c:3803:7: warning: unused variable ‘attr_key’ [-Wunused-variable]
  SV * attr_key = ST(1)
       ^~~~~~~~
ZooKeeper.c:3802:24: warning: variable ‘attr_hash’ set but not used [-Wunused-but-set-variable]
  Net__ZooKeeper__Watch attr_hash;
                        ^~~~~~~~~
ZooKeeper.c: In function ‘XS_Net__ZooKeeper__Watch_CLEAR’:
ZooKeeper.c:3836:24: warning: variable ‘attr_hash’ set but not used [-Wunused-but-set-variable]
  Net__ZooKeeper__Watch attr_hash;
                        ^~~~~~~~~
cc1: some warnings being treated as errors
make: *** [Makefile:335: ZooKeeper.o] Error 1