1# 2# Docker cross-compiler target 3# 4# This docker target builds on the debian stretch base image, 5# using a prebuilt toolchains for Xtensa cores from: 6# https://github.com/foss-xtensa/toolchain/releases 7# 8FROM debian:stretch-slim 9 10RUN apt-get update && \ 11 DEBIAN_FRONTEND=noninteractive apt install -yy eatmydata && \ 12 DEBIAN_FRONTEND=noninteractive eatmydata \ 13 apt-get install -y --no-install-recommends \ 14 build-essential \ 15 ca-certificates \ 16 curl \ 17 gettext \ 18 git \ 19 python3-minimal 20 21ENV CPU_LIST csp dc232b dc233c 22ENV TOOLCHAIN_RELEASE 2018.02 23 24RUN for cpu in $CPU_LIST; do \ 25 curl -#SL http://github.com/foss-xtensa/toolchain/releases/download/$TOOLCHAIN_RELEASE/x86_64-$TOOLCHAIN_RELEASE-xtensa-$cpu-elf.tar.gz \ 26 | tar -xzC /opt; \ 27 done 28 29ENV PATH $PATH:/opt/$TOOLCHAIN_RELEASE/xtensa-dc232b-elf/bin:/opt/$TOOLCHAIN_RELEASE/xtensa-dc233c-elf/bin:/opt/$TOOLCHAIN_RELEASE/xtensa-csp-elf/bin 30