build buildroot Failed编译错误怎么解决？

18.4环境下，装了path，按教程整体编译出错
>>> libglib2 2.50.1 Building
PATH="/root/workspace/allwinner/A40i/bsp/lichee/out/sun8iw11p1/linux/common/buildroot/host/bin:/root/workspace/allwinner/A40i/bsp/lichee/out/sun8iw11p1/linux/common/buildroot/host/***in:/root/workspace/allwinner/A40i/bsp/lichee/out/sun8iw11p1/linux/common/buildroot/host/usr/bin:/root/workspace/allwinner/A40i/bsp/lichee/out/sun8iw11p1/linux/common/buildroot/host/usr/***in:/root/workspace/allwinner/A40i/bsp/lichee/out/sun8iw11p1/linux/common/buildroot/host/opt/ext-toolchain/bin/:/root/workspace/allwinner/A40i/bsp/lichee/out/sun8iw11p1/linux/common/buildroot/host/usr/bin/:/usr/local/***in:/usr/local/bin:/usr/***in:/usr/bin:/***in:/bin:/snap/bin:/usr/local/arm/gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf/bin"  /usr/bin/make -j5  -C /root/workspace/allwinner/A40i/bsp/lichee/out/sun8iw11p1/linux/common/buildroot/build/libglib2-2.50.1/
make[1]: Entering directory '/root/workspace/allwinner/A40i/bsp/lichee/out/sun8iw11p1/linux/common/buildroot/build/libglib2-2.50.1'
cd . && /bin/sh /root/workspace/allwinner/A40i/bsp/lichee/out/sun8iw11p1/linux/common/buildroot/build/libglib2-2.50.1/missing automake-1.15 --gnu Makefile
Unescaped left brace in regex is illegal here in regex; marked by <-- HERE in m/${ <-- HERE ([^ t=:+{}]+)}/ at /root/workspace/allwinner/A40i/bsp/lichee/out/sun8iw11p1/linux/common/buildroot/host/usr/bin/automake-1.15 line 3936.
Makefile:862: recipe for target 'Makefile.in' failed
make[1]: *** [Makefile.in] Error 255
make[1]: Leaving directory '/root/workspace/allwinner/A40i/bsp/lichee/out/sun8iw11p1/linux/common/buildroot/build/libglib2-2.50.1'
package/pkg-generic.mk:216: recipe for target '/root/workspace/allwinner/A40i/bsp/lichee/out/sun8iw11p1/linux/common/buildroot/build/libglib2-2.50.1/.stamp_built' failed
make: *** [/root/workspace/allwinner/A40i/bsp/lichee/out/sun8iw11p1/linux/common/buildroot/build/libglib2-2.50.1/.stamp_built] Error 2
make: Leaving directory '/root/workspace/allwinner/A40i/bsp/lichee/buildroot-201611'
ERROR: build buildroot Failed
root@forlinx:~/workspace/allwinner/A40i/bsp/lichee#

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