Librdkafka does not compile on OSX 10.8.5 about librdkafka HOT 5 CLOSED

clang -MD -MP -O2 -Wall -Werror -Wfloat-equal -Wpointer-arith -fPIC -I. -g -Wno-gnu-designator -DSG -c rdkafka.c
clang -MD -MP -O2 -Wall -Werror -Wfloat-equal -Wpointer-arith -fPIC -I. -g -Wno-gnu-designator -DSG -c rdkafka_broker.c
rdkafka_broker.c:2192:22: error: implicit declaration of function 'be64toh' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                hdr->Offset      = be64toh(hdr->Offset);
                                   ^
rdkafka_broker.c:2793:30: error: implicit declaration of function 'htobe64' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
        part2->Time               = htobe64(rktp->rktp_query_offset);
                                    ^
2 errors generated.
make: *** [rdkafka_broker.o] Error 1