opnewrt编译失败，菜鸟求助

bt848jack

OpenWrt-libtool: link: i686-linux-gnu-ranlib .libs/libmpfr.a
OpenWrt-libtool: link: ( cd ".libs" && rm -f "libmpfr.la" && ln -s "../libmpfr.la" "libmpfr.la" )
make[6]: Leaving directory `/home/superwu/openwrt7688/openwrt/build_dir/host/mpfr-3.1.4/src'
make[5]: Leaving directory `/home/superwu/openwrt7688/openwrt/build_dir/host/mpfr-3.1.4/src'
make[5]: Entering directory `/home/superwu/openwrt7688/openwrt/build_dir/host/mpfr-3.1.4'
make[5]: Nothing to be done for `all-am'.
make[5]: Leaving directory `/home/superwu/openwrt7688/openwrt/build_dir/host/mpfr-3.1.4'
make[4]: Leaving directory `/home/superwu/openwrt7688/openwrt/build_dir/host/mpfr-3.1.4'
touch /home/superwu/openwrt7688/openwrt/build_dir/host/mpfr-3.1.4/.built
make[3]: Leaving directory `/home/superwu/openwrt7688/openwrt/tools/mpfr'
make[2]: Leaving directory `/home/superwu/openwrt7688/openwrt'
make[1]: *** [/home/superwu/openwrt7688/openwrt/staging_dir/target-mipsel_24kec+dsp_musl-1.1.16/stamp/.tools_install_yynyynynynyyyyyyynyyynyyyyyyyyynyyyyynnyynynnyyynnnyy] Error 2
make[1]: Leaving directory `/home/superwu/openwrt7688/openwrt'
make: *** [world] 错误 2
求搭救。。