FROM ubuntu:21.10 RUN apt-get update && apt-get install -y --no-install-recommends \ gcc libc6-dev qemu-user ca-certificates \ gcc-riscv64-linux-gnu libc6-dev-riscv64-cross \ qemu-user ENV CARGO_TARGET_RISCV64GC_UNKNOWN_LINUX_GNU_LINKER=riscv64-linux-gnu-gcc \ CARGO_TARGET_RISCV64GC_UNKNOWN_LINUX_GNU_RUNNER="qemu-riscv64 -L /usr/riscv64-linux-gnu" \ OBJDUMP=riscv64-linux-gnu-objdump