openwrt18.06.5编译错误，configure: error: python is missing or unusable
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make V=s提示：
checking whether to use python... yes
checking for python... /home/luke/github/openwrt/staging_dir/host/bin/python
checking for python2.7... no
configure: error: python is missing or unusable
make[5]: *** [Makefile:8764: configure-gdb] Error 1
make[5]: Leaving directory '/home/luke/github/openwrt/build_dir/toolchain-mipsel_24kc_gcc-7.3.0_musl/gdb-8.0.1'
make[4]: *** [Makefile:851: all] Error 2
make[4]: Leaving directory '/home/luke/github/openwrt/build_dir/toolchain-mipsel_24kc_gcc-7.3.0_musl/gdb-8.0.1'
make[3]: *** [Makefile:69: /home/luke/github/openwrt/build_dir/toolchain-mipsel_24kc_gcc-7.3.0_musl/gdb-8.0.1/.built] Error 2
make[3]: Leaving directory '/home/luke/github/openwrt/toolchain/gdb'
time: toolchain/gdb/compile#3.86#14.36#23.78
make[2]: *** [toolchain/Makefile
toolchain/gdb/compile] Error 2
make[2]: Leaving directory '/home/luke/github/openwrt'
make[1]: *** [toolchain/Makefile:96: /home/luke/github/openwrt/staging_dir/toolchain-mipsel_24kc_gcc-7.3.0_musl/stamp/.toolchain_compile] Error 2但是提示的目录下是有文件的：
openwrt/staging_dir/host/bin# ll python*
lrwxrwxrwx 1 root root 16 Oct 14 16:17 python -> /usr/bin/python2*
lrwxrwxrwx 1 root root 16 Oct 10 17:58 python3 -> /usr/bin/python3*
root@ub:/home/luke/github/openwrt/staging_dir/host/bin#怎么样解决这个错误，或者避免，不用python也行。