Runtime Build Error

[shilpa_jay]

Hello..
I have been trying to install PULPissimo and the GNU Compiler tool chain was  built successfully. in the PULP- Builder installation i have installed all the dependencies and the GVsoC build was built. But, in the "Runtime Build" process im facing an error for the command 

Code:

./scripts/build-runtime

the error occurred is

scons: done building targets.

make: Leaving directory '/root/pulpissimo/pulp-

builder/hal'

+ make -C pulp-rules all BUILD_DIR=/root/pulpissimo/pulp-builder/build/pulp-rules INSTALL_DIR=/root/pulpissimo/pulp-builder/install/ws TARGET_INSTALL_DIR=/root/pulpissimo/pulp-builder/install

make: Entering directory '/root/pulpissimo/pulp-builder/pulp-rules'

make: Nothing to be done for 'all'.

make: Leaving directory '/root/pulpissimo/pulp-builder/pulp-rules'

+ make -C pulp-rt header build install BUILD_DIR=/root/pulpissimo/pulp-builder/build/pulp-rt INSTALL_DIR=/root/pulpissimo/pulp-builder/install/ws TARGET_INSTALL_DIR=/root/pulpissimo/pulp-builder/install

make: Entering directory '/root/pulpissimo/pulp-builder/pulp-rt'

make: Nothing to be done for 'header'.

/opt/riscv/bin//bin/riscv32-unknown-elf-gcc  -march=rv32imcxgap8 -D__riscv__ -D__RT_USE_IO=1 -Os -g -fno-jump-tables -Werror -fno-tree-loop-distribute-patterns  -Wextra -Wall -Wno-unused-parameter -Wno-unused-variable -Wno-unused-function -Wundef -fdata-sections -ffunction-sections -I/root/pulpissimo/pulp-builder/install/include/io -I/root/pulpissimo/pulp-builder/install/include -include /root/pulpissimo/pulp-builder/build/pulp-rt/gap_rev1/cl_config.h    -DLANGUAGE_ASSEMBLY -MMD -MP -c kernel/riscv/pe-eu-v3.S -o /root/pulpissimo/pulp-builder/build/pulp-rt/gap_rev1/rt/cl/kernel/riscv/pe-eu-v3.o

make: /opt/riscv/bin//bin/riscv32-unknown-elf-gcc: Command not found

/root/pulpissimo/pulp-builder/build/pulp-rt/gap_rev1/__rules.mk:65: recipe for target '/root/pulpissimo/pulp-builder/build/pulp-rt/gap_rev1/rt/cl/kernel/riscv/pe-eu-v3.o' failed

make: *** [/root/pulpissimo/pulp-builder/build/pulp-rt/gap_rev1/rt/cl/kernel/riscv/pe-eu-v3.o] Error 127

make: Leaving directory '/root/pulpissimo/pulp-builder/pulp-rt'

can i know how to overcome this error

Thanks and Regards
Shilpa