Error running make on CentOS 7.5

[dragonware-com]

make[6]: Leaving directory /home/wsun/work/github/ri5cy_gnu_toolchain/build/build-gcc-newlib/riscv32-unknown-elf/newlib' make[5]: Leaving directory /home/wsun/work/github/ri5cy_gnu_toolchain/build/build-gcc-newlib/riscv32-unknown-elf/newlib'
make[4]: Leaving directory /home/wsun/work/github/ri5cy_gnu_toolchain/build/build-gcc-newlib/riscv32-unknown-elf/newlib' make[4]: Entering directory /home/wsun/work/github/ri5cy_gnu_toolchain/build/build-gcc-newlib/riscv32-unknown-elf/libgloss'
make[5]: Entering directory /home/wsun/work/github/ri5cy_gnu_toolchain/build/build-gcc-newlib/riscv32-unknown-elf/libgloss/doc' make[5]: Nothing to be done for all'.
make[5]: Leaving directory /home/wsun/work/github/ri5cy_gnu_toolchain/build/build-gcc-newlib/riscv32-unknown-elf/libgloss/doc' /home/wsun/riscv make[5]: Entering directory /home/wsun/riscv'
make[5]: *** No targets specified and no makefile found. Stop.
make[5]: Leaving directory /home/wsun/riscv' make[4]: *** [stmp-bsp] Error 2 make[4]: Leaving directory /home/wsun/work/github/ri5cy_gnu_toolchain/build/build-gcc-newlib/riscv32-unknown-elf/libgloss'
make[3]: *** [all-target-libgloss] Error 2
make[3]: Leaving directory /home/wsun/work/github/ri5cy_gnu_toolchain/build/build-gcc-newlib' make[2]: *** [all] Error 2 make[2]: Leaving directory /home/wsun/work/github/ri5cy_gnu_toolchain/build/build-gcc-newlib'
make[1]: *** [stamps/build-gcc-newlib] Error 2
make[1]: Leaving directory `/home/wsun/work/github/ri5cy_gnu_toolchain/build'
make: *** [build] Error 2