Still didn't find the easy way, but can compile like below:
GCC_HOME=/path/of/gcc make -j4 CC="LD_LIBRARY_PATH=$GCC_HOME/mpfr-3.1.2/lib:$GCC_HOME/mpc-1.0.1/lib:$GCC_HOME/gmp-5.1.2/lib:$GCC_HOME/lib:$GCC_HOME/lib64 distcc $GCC_HOME/bin/gcc" CXX="LD_LIBRARY_PATH=$GCC_HOME/mpfr-3.1.2/lib:$GCC_HOME/mpc-1.0.1/lib:$GCC_HOME/gmp-5.1.2/lib:$GCC_HOME/lib:$GCC_HOME/lib64 distcc $GCC_HOME/bin/g++"
But in my invironment, distcc still can't work for pump mode