# This file is a part of the UMSKT Project
#
# Copyleft (C) 2019-2024 UMSKT Contributors (et.al.)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# @FileCreated by Neo on 06/19/2023
# @Maintainer Neo

# Stage 1: Install Prerequisites
FROM ubuntu:latest as prerequisites

# Stage 1: Install build dependencies
RUN apt-get update && apt-get -y install \
    build-essential \
    cmake \
    wget \
    7zip \
    git \
    flex \
    libfl-dev \
    nasm \
    libslang2-dev \
    pkg-config \
    libslang2-modules \
    gcc-multilib \
    && rm -rf /var/lib/apt/lists/*

FROM prerequisites as djgpp
SHELL ["/bin/bash", "-c"]

WORKDIR /

ENV CC=/djgpp/bin/i586-pc-msdosdjgpp-gcc CXX=/djgpp/bin/i586-pc-msdosdjgpp-g++ CMAKE_FIND_ROOT_PATH=/djgpp

# Stage 2: setup djgpp
RUN wget https://github.com/andrewwutw/build-djgpp/releases/download/v3.4/djgpp-linux64-gcc1220.tar.bz2 \
    && tar xjf djgpp-linux64-gcc1220.tar.bz2 \
    && rm -rf djgpp-linux64-gcc1220.tar.bz2

# Stage 3: compile UMSKT
FROM djgpp as build
SHELL ["/bin/bash", "-c"]

WORKDIR /src
COPY . /src

# Build UMSKT from the local directory
RUN mkdir /src/build \
  && source /djgpp/setenv \
  && cmake -DUMSKT_DJGPP_COMPILE=On -DCMAKE_BUILD_TYPE=Release -DCPM_SOURCE_CACHE=`pwd`/.cpm-cache -B build \
  && cmake --build build -j 10 --verbose

CMD ["bash"]

# Stage 6: Output
FROM scratch as output

COPY --from=build /src/build/umskt.exe /

# invoke via
# docker build -f Dockerfile.djgpp -o type=tar,dest=build-djgpp/umskt-dos.tar .