[2016/07/26 18:51:39.789] src/mongoc/mongoc-rpc.c:134:4: error: '_mongoc_rpc_swab_to_le_reply_header' defined but not used [-Werror=unused-function]
 [2016/07/26 18:51:39.790]     _mongoc_rpc_swab_to_le_##_name (mongoc_rpc_##_name##_t *rpc) \
 [2016/07/26 18:51:39.790]     ^
 [2016/07/26 18:51:39.790] src/mongoc/op-reply-header.def:1:1: note: in expansion of macro 'RPC'
 [2016/07/26 18:51:39.790]  RPC(
 [2016/07/26 18:51:39.790]  ^
 [2016/07/26 18:51:39.790] src/mongoc/mongoc-rpc.c:176:4: error: '_mongoc_rpc_swab_from_le_reply_header' defined but not used [-Werror=unused-function]
 [2016/07/26 18:51:39.790]     _mongoc_rpc_swab_from_le_##_name (mongoc_rpc_##_name##_t *rpc) \
 [2016/07/26 18:51:39.790]     ^
 [2016/07/26 18:51:39.790] src/mongoc/op-reply-header.def:1:1: note: in expansion of macro 'RPC'
 [2016/07/26 18:51:39.790]  RPC(
 [2016/07/26 18:51:39.790]  ^
 [2016/07/26 18:51:39.871] cc1: all warnings being treated as errors
 [2016/07/26 18:51:39.874] Makefile:3312: recipe for target 'src/mongoc/libmongoc_1_0_la-mongoc-rpc.lo' failed
 [2016/07/26 18:51:39.874] make[1]: Leaving directory '/data/mci/63897e39864a4ed2b4080dd560a73df5/mongoc'
 [2016/07/26 18:51:39.874] make[1]: *** [src/mongoc/libmongoc_1_0_la-mongoc-rpc.lo] Error 1
 [2016/07/26 18:51:39.875] make: *** [all-recursive] Error 1