# SPDX-License-Identifier: LicenseRef-CSSL-1.0

#---------------------------------------------------------------------
#
# Dockerfile for the Open-Air-Interface BUILD service
#   Valid for Ubuntu 24.04 to cross-compile for ARM64
#
#---------------------------------------------------------------------

# Very important, the noble image shall not be using mirrors. A lot of them do NOT support ARM64.
ARG UBUNTU_IMAGE=ubuntu:noble
FROM ${UBUNTU_IMAGE} AS ran-base
ENV DEBIAN_FRONTEND=noninteractive
ENV TZ=Europe/Paris
# Specifying a working version of SIMDE for ARM:
ENV SIMDE_VERSION=389f360a66d4a3bec62b7d71ad8be877487809ba

#install developers pkg/repo
RUN apt-get update && \
    apt-get upgrade --yes && \
    #enabling arm64 architecture
    dpkg --add-architecture arm64 && \
    echo "deb [arch=arm64] http://ports.ubuntu.com/ noble main restricted\n" \
         "deb [arch=arm64] http://ports.ubuntu.com/ noble-updates main restricted\n" \
         "deb [arch=arm64] http://ports.ubuntu.com/ noble universe\n" \
         "deb [arch=arm64] http://ports.ubuntu.com/ noble-updates universe\n" \
         "deb [arch=arm64] http://ports.ubuntu.com/ noble multiverse\n" \
         "deb [arch=arm64] http://ports.ubuntu.com/ noble-updates multiverse\n" \
         "deb [arch=arm64] http://ports.ubuntu.com/ noble-backports main restricted universe multiverse" \
         | tee /etc/apt/sources.list.d/arm-cross-compile-sources.list && \
    cp /etc/apt/sources.list "/etc/apt/sources.list.`date`.backup" && \
    sed -i -E "s/(deb)\ (http:.+)/\1\ [arch=amd64]\ \2/" /etc/apt/sources.list && \
    sed -i '/^Components:/a Architectures: amd64' /etc/apt/sources.list.d/ubuntu.sources && \
    apt-get update && \
    apt-get upgrade --yes && \
    apt-get install --yes \
      build-essential \
      psmisc \
      git \
      tzdata \
      xxd \
      # ARM64 packages
      libreadline-dev:arm64 \
      libgnutls28-dev:arm64 \
      libconfig-dev:arm64 \
      libsctp-dev:arm64 \
      libssl-dev:arm64 \
      libtool:arm64 \
      zlib1g-dev:arm64 \
      libyaml-cpp-dev:arm64 \
      # cross build libs and compilers
      libc6-dev-i386 \
      gcc-aarch64-linux-gnu \
      g++-aarch64-linux-gnu && \
    apt-get clean

# Add "Tini - A tiny but valid init for containers", https://github.com/krallin/tini
# it will be copied into target containers, to print exit numbers and handle signals properly
ENV TINI_VERSION=v0.19.0
ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini
RUN chmod +x /tini

# Copying only the needed files to create ran-base
WORKDIR /oai-ran/cmake_targets/tools
COPY cmake_targets/tools/build_helper \
     cmake_targets/tools/uhd-4.x-tdd-patch.diff \
     ./

WORKDIR /oai-ran/cmake_targets
COPY cmake_targets/build_oai .

WORKDIR /oai-ran
COPY oaienv .

#run build_oai -I to get the builder image
RUN /bin/sh oaienv && \
    cd cmake_targets && \
    mkdir -p log && \
    ./build_oai -I && \
    apt-get clean