-DCURL_DISABLE_BASIC_AUTH=ON
-DCURL_DISABLE_BEARER_AUTH=ON
-DCURL_DISABLE_DIGEST_AUTH=ON
-DCURL_DISABLE_NEGOTIATE_AUTH=ON
-DCURL_DISABLE_NTLM=ON

./curl/lib/http.c:737:12: warning: unused variable 'result' [-Wunused-variable]
  CURLcode result = CURLE_OK;
           ^
./curl/lib/http.c:995:18: warning: variable 'availp' set but not used [-Wunused-but-set-variable]
  unsigned long *availp;
                 ^
./curl/lib/http.c:996:16: warning: variable 'authp' set but not used [-Wunused-but-set-variable]
  struct auth *authp;
               ^

./curl/lib/http.c:1143:12: warning: empty expression statement has no effect; remove unnecessary ';' to silence this warning [-Wextra-semi-stmt]
           ;
           ^