[ns3:~/src/WWW-Curl-4.17] administrator% sudo cpan --force install XML::LibXML

<snip>

ld: warning: ld: warning: object file (IO.o) was built for newer OSX version (10.12) than being linked (10.4)object file (poll.o) was built for newer OSX version (10.12) than being linked (10.4)

<snip>

In file included from Curl.xs:574:
./curlopt-constants.c:19:58: error: non-void function 'constant' should return a value [-Wreturn-type]
            if (strEQ(name, "DID_MEMORY_FUNC_TYPEDEFS")) return CURL_DID_MEMORY_FUNC_TYPEDEFS;
                                                         ^
./curlopt-constants.c:136:49: error: use of undeclared identifier 'CURL_STRICTER'
            if (strEQ(name, "STRICTER")) return CURL_STRICTER;

<snip>

4 warnings and 2 errors generated.
make: *** [Curl.o] Error 1
  SZBALINT/WWW-Curl-4.17.tar.gz
  /usr/bin/make -- NOT OK
[ns3:~/src/WWW-Curl-4.17] administrator%