Dockerfile

##
# Build with: `docker build --tag gcc-pdp11-aout .`
# Run with: `docker run -it gcc-pdp11-aout bash`
#
# Most of these steps were taken from:
# https://xw.is/wiki/Bare_metal_PDP-11_GCC_9.2.0_cross_compiler_instructions
#
# Worker image (used to compile stuff but not dumped into the final image)
FROM gcc:9.2.0 as builder

# Install build dependencies
RUN ["bash", "-c", "\
  apt-get update && apt-get install -y --no-install-recommends \
    curl \
    unzip \
"]

# Working environment
WORKDIR /usr/local/lib

# Download and extract GCC source tree
RUN ["bash", "-c", "\
  curl -L -O https://ftp.gnu.org/gnu/gcc/gcc-9.2.0/gcc-9.2.0.tar.gz \
  && curl -L -O https://ftp.gnu.org/gnu/binutils/binutils-2.33.1.tar.gz \
  && curl -L -O ftp://sourceware.org/pub/newlib/newlib-3.1.0.tar.gz \
  && tar -zxf gcc-9.2.0.tar.gz \
  && tar -zxf binutils-2.33.1.tar.gz \
  && tar -zxf newlib-3.1.0.tar.gz \
  && pushd gcc-9.2.0 \
  && ./contrib/download_prerequisites \
  && popd \
"]

# Configure, compile, and install binutils
RUN ["bash", "-c", "\
  mkdir binutils-build \
  && pushd binutils-build \
  && ../binutils-2.33.1/configure --prefix /usr/local/lib/xgcc --bindir /usr/local/lib/bin --target pdp11-aout \
  && make -j8 \
  && make install \
  && popd \
"]

# Configure, compile, and install gcc
RUN ["bash", "-c", "\
  mkdir gcc-build \
  && pushd gcc-build \
  && ../gcc-9.2.0/configure --prefix /usr/local/lib/xgcc --bindir /usr/local/lib/bin --target pdp11-aout --enable-languages=c --with-gnu-as --with-gnu-ld --without-headers --disable-libssp \
  && make -j8 \
  && make install \
  && popd \
"]

# Download, extract, and compile bin2load
RUN ["bash", "-c", "\
  curl -L -O https://github.com/jguillaumes/retroutils/archive/cd2ecbd096c2c59829000fdabd51bc5284f007f8.zip \
  && unzip cd2ecbd096c2c59829000fdabd51bc5284f007f8.zip \
  && pushd retroutils-cd2ecbd096c2c59829000fdabd51bc5284f007f8/bin2load/ \
  && make \
  && mv bin2load ../../bin/ \
  && popd \
"]

# Add and compile useful LDA file generator tool from local source tree:
# `atolda.c` was provided by Stephen Casner on the pidp-11 forums:
# https://groups.google.com/d/msg/pidp-11/ZT-84hWwBlo/3XiYaFQ7AwAJ
ADD ./tools ./tools
RUN ["bash", "-c", "\
  pushd tools/ \
  && gcc atolda.c -o atolda \
  && cp atolda ../bin/ \
  && popd \
"]

# Download, extract, and compile macro11
RUN ["bash", "-c", "\
  git clone https://gitlab.com/Rhialto/macro11.git \
  && pushd macro11 \
  && make \
  && mv macro11 dumpobj ../bin/ \
  && mkdir -p ../share/doc/macro11 \
  && mv README LICENSE ../share/doc/macro11 \
  && popd \
"]

#ENV PATH="/usr/local/lib/bin:${PATH}"
#CMD ["bash"]

# Final image (the final image that will be sent up to dockerhub or whatever image repo)
FROM debian:stretch-slim as gcc-pdp11-aout

# Install build tools
RUN ["bash", "-c", "\
  apt-get update && apt-get install -y --no-install-recommends \
    make \
"]

# Copy the compiled tools to the smaller image:
COPY --from=builder /usr/local/lib/xgcc /usr/local/lib/xgcc
COPY --from=builder /usr/local/lib/bin /usr/local/lib/bin
COPY --from=builder /usr/local/lib/tools /usr/local/lib/tools
COPY --from=builder /usr/local/lib/share /usr/local/lib/share

# Copy the small bin2load source tree to the smaller image as well (It is a good learning tool!):
COPY --from=builder /usr/local/lib/retroutils-cd2ecbd096c2c59829000fdabd51bc5284f007f8/bin2load /usr/local/lib/tools/bin2load

# Add the C and ASM examples to the final image
ADD ./example /usr/local/lib/example
ADD ./example-display-register /usr/local/lib/example-display-register
ADD ./example-macro11 /usr/local/lib/example-macro11
ADD ./example-asm /usr/local/lib/example-asm

# Add the README.md for reference
ADD ./README.md /usr/local/lib/README.md

ENV PATH="/usr/local/lib/bin:${PATH}"

WORKDIR /usr/local/lib

# Compile the C test example
RUN ["bash", "-c", "\
  pushd example/ \
  && cat foo.c \
  && pdp11-aout-gcc -nostdlib foo.c \
  && pdp11-aout-objdump -D a.out \
  && atolda a.out \
  && popd \
"]

# Compile the C display register example
RUN ["bash", "-c", "\
  pushd example-display-register/ \
  && cat display.c \
  && pdp11-aout-gcc -nostdlib display.c -o display \
  && pdp11-aout-objdump -D display \
  && atolda display \
  && popd \
"]

# Compile the MACRO11 example
RUN ["bash", "-c", "\
  pushd example-macro11 \
  && make \
  && popd \
"]

# Compile the ASM example
RUN ["bash", "-c", "\
  pushd example-asm \
  && pdp11-aout-as putconch.s -o putconch.o \
  && pdp11-aout-as hellopdp.s -o hellopdp.o \
  && pdp11-aout-ld -T ldaout.cmd hellopdp.o putconch.o -o hellopdp.out \
  && pdp11-aout-objdump -D hellopdp.out \
  && bin2load -a -f hellopdp.out -o hellopdp.lda \
  && popd \
"]
CMD ["bash"]