cc1: warning: changing search order for system directory "/usr/include"
cc1: warning: as it has already been specified as a non-system directory
Curl.xs: In function `perl_curl_easy_duphandle':
Curl.xs:147: warning: assignment makes pointer from integer without a cast
Curl.xs: In function `XS_WWW__Curl__easy_setopt':
Curl.xs:656: warning: passing arg 2 of `Perl_sv_2pv' from incompatible pointer type
Curl.xs: In function `boot_WWW__Curl':
Curl.xs:504: `CURL_GLOBAL_ALL' undeclared (first use in this function)
Curl.xs:504: (Each undeclared identifier is reported only once
Curl.xs:504: for each function it appears in.)
make: *** [Curl.o] Error 1
  /usr/bin/make  -- NOT OK
Running make test
  Can't test without successful make
Running make install
  make had returned bad status, install seems impossible