#
# Docker cross-compiler target
#
# This docker target builds on the debian stretch base image,
# using a prebuilt toolchains for Xtensa cores from:
# https://github.com/foss-xtensa/toolchain/releases
#
FROM debian:stretch-slim

RUN apt-get update && \
    DEBIAN_FRONTEND=noninteractive apt install -yy eatmydata && \
    DEBIAN_FRONTEND=noninteractive eatmydata \
    apt-get install -y --no-install-recommends \
        bison \
        build-essential \
        ca-certificates \
        curl \
        flex \
        gettext \
        git \
        python-minimal

ENV CPU_LIST csp dc232b dc233c
ENV TOOLCHAIN_RELEASE 2018.02

RUN for cpu in $CPU_LIST; do \
        curl -#SL http://github.com/foss-xtensa/toolchain/releases/download/$TOOLCHAIN_RELEASE/x86_64-$TOOLCHAIN_RELEASE-xtensa-$cpu-elf.tar.gz \
        | tar -xzC /opt; \
    done

ENV PATH $PATH:/opt/$TOOLCHAIN_RELEASE/xtensa-dc232b-elf/bin:/opt/$TOOLCHAIN_RELEASE/xtensa-dc233c-elf/bin:/opt/$TOOLCHAIN_RELEASE/xtensa-csp-elf/bin