"undefined reference to `clock_gettime'" build error

[lastchiliarch]

build command:

go build -o torrentdetect -x main.go

gcc:
Using built-in specs.
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC)

os env:
CentOS release 6.3
Linux version 2.6.32_1-12-0-0 (scmpf@dbl-sat-dev01.dbl01.baidu.com) (gcc version 4.4.4 20100726 (Red Hat 4.4.4-13) (GCC) ) #1 SMP Mon Aug 12 17:59:52 CST 2013

error info:
cc1plus: warning: unrecognized command line option "-Wno-unused-const-variable"
g++ -I . -fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=$WORK=/tmp/go-build -DPOSIX -DUTP_DEBUG_LOGGING=0 -I $WORK/github.com/anacrolix/go-libutp/_obj/ -g -O2 -Wall -O3 -fPIC -Wno-sign-compare -Wno-unused-const-variable -o $WORK/github.com/anacrolix/go-libutp/_obj/utp_utils.cpp.o -c utp_utils.cpp
cd $WORK/github.com/anacrolix/go-libutp/_obj
gcc -I /home/scmbuild/workspaces_cluster.debug/baidu.netdisk.nd-torrent-detect.20181128.170747/baidu/netdisk/nd-torrent-detect/src/github.com/anacrolix/go-libutp -fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=$WORK=/tmp/go-build -DPOSIX -DUTP_DEBUG_LOGGING=0 -I ./ -g -O2 -Wall -O3 -o ./_cgo_main.o -c _cgo_main.c
cd /home/scmbuild/workspaces_cluster.debug/baidu.netdisk.nd-torrent-detect.20181128.170747/baidu/netdisk/nd-torrent-detect/src/github.com/anacrolix/go-libutp
g++ -I . -fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=$WORK=/tmp/go-build -o $WORK/github.com/anacrolix/go-libutp/_obj/cgo.o $WORK/github.com/anacrolix/go-libutp/_obj/_cgo_main.o $WORK/github.com/anacrolix/go-libutp/_obj/_cgo_export.o $WORK/github.com/anacrolix/go-libutp/_obj/callbacks.cgo2.o $WORK/github.com/anacrolix/go-libutp/_obj/conn.cgo2.o $WORK/github.com/anacrolix/go-libutp/_obj/libapi.cgo2.o $WORK/github.com/anacrolix/go-libutp/_obj/sockaddr.cgo2.o $WORK/github.com/anacrolix/go-libutp/_obj/socket.cgo2.o $WORK/github.com/anacrolix/go-libutp/_obj/utp.cgo2.o $WORK/github.com/anacrolix/go-libutp/_obj/utp_api.cpp.o $WORK/github.com/anacrolix/go-libutp/_obj/utp_callbacks.cpp.o $WORK/github.com/anacrolix/go-libutp/_obj/utp_hash.cpp.o $WORK/github.com/anacrolix/go-libutp/_obj/utp_internal.cpp.o $WORK/github.com/anacrolix/go-libutp/_obj/utp_packedsockaddr.cpp.o $WORK/github.com/anacrolix/go-libutp/_obj/utp_utils.cpp.o -g -O2

github.com/anacrolix/go-libutp

/tmp/go-build713244274/github.com/anacrolix/go-libutp/_obj/utp_utils.cpp.o: In function __GetMicroseconds': src/github.com/anacrolix/go-libutp/utp_utils.cpp:164: undefined reference to clock_gettime'
src/github.com/anacrolix/go-libutp/utp_utils.cpp:174: undefined reference to clock_gettime' src/github.com/anacrolix/go-libutp/utp_utils.cpp:164: undefined reference to clock_gettime'
src/github.com/anacrolix/go-libutp/utp_utils.cpp:174: undefined reference to `clock_gettime'

[lastchiliarch]

I just solve it, change to use gcc4.8.2 to compile.