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dusk/docker/saturn/Dockerfile
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YourWishes 1f67e817ae Some progress
2026-06-19 14:24:09 -05:00

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FROM ubuntu:22.04
LABEL org.opencontainers.image.description="Dusk Engine — Sega Saturn build environment (sh2eb-elf cross-compiler + Yaul SDK)"
ENV DEBIAN_FRONTEND=noninteractive
ENV YAUL_INSTALL_ROOT=/opt/yaul
# All variables required by Yaul's env.mk
ENV YAUL_ARCH_SH_PREFIX=sh2eb-elf
ENV YAUL_PROG_SH_PREFIX=sh2eb-elf
ENV YAUL_ARCH_M68K_PREFIX=m68keb-elf
ENV YAUL_BUILD_ROOT=/tmp/yaul-build
ENV YAUL_BUILD=build
ENV YAUL_OPTION_MALLOC_IMPL=tlsf
ENV PATH="${YAUL_INSTALL_ROOT}/bin:${PATH}"
# Toolchain source versions
ARG BINUTILS_VER=2.40
ARG GCC_VER=12.3.0
ARG NEWLIB_VER=4.3.0.20230120
# ---------------------------------------------------------------------------
# 1. Host build tools
# ---------------------------------------------------------------------------
RUN apt-get update && apt-get install -y \
build-essential \
cmake \
git \
wget \
curl \
xz-utils \
python3 \
python3-pip \
python3-polib \
python3-pil \
python3-dotenv \
texinfo \
bison \
flex \
libgmp-dev \
libmpfr-dev \
libmpc-dev \
&& rm -rf /var/lib/apt/lists/*
RUN mkdir -p "${YAUL_INSTALL_ROOT}"
# ---------------------------------------------------------------------------
# 2. Download cross-compiler sources
# ---------------------------------------------------------------------------
RUN cd /tmp && \
wget -q "https://ftp.gnu.org/gnu/binutils/binutils-${BINUTILS_VER}.tar.xz" && \
wget -q "https://ftp.gnu.org/gnu/gcc/gcc-${GCC_VER}/gcc-${GCC_VER}.tar.xz" && \
wget -q "ftp://sourceware.org/pub/newlib/newlib-${NEWLIB_VER}.tar.gz" && \
tar xf "binutils-${BINUTILS_VER}.tar.xz" && \
tar xf "gcc-${GCC_VER}.tar.xz" && \
tar xf "newlib-${NEWLIB_VER}.tar.gz" && \
rm "binutils-${BINUTILS_VER}.tar.xz" "gcc-${GCC_VER}.tar.xz" "newlib-${NEWLIB_VER}.tar.gz"
# Download GCC prerequisites (gmp, mpfr, mpc if not packaged)
RUN cd /tmp/gcc-${GCC_VER} && contrib/download_prerequisites
# ---------------------------------------------------------------------------
# 3. sh2eb-elf binutils (SH-2 big-endian)
# ---------------------------------------------------------------------------
RUN mkdir -p /tmp/build-sh-binutils && cd /tmp/build-sh-binutils && \
/tmp/binutils-${BINUTILS_VER}/configure \
--target=sh2eb-elf \
--prefix="${YAUL_INSTALL_ROOT}" \
--disable-nls \
--disable-multilib \
--disable-werror \
&& make -j"$(nproc)" && make install && \
rm -rf /tmp/build-sh-binutils
# ---------------------------------------------------------------------------
# 4. sh2eb-elf GCC stage 1 (compiler only, no C library yet)
# ---------------------------------------------------------------------------
RUN mkdir -p /tmp/build-sh-gcc1 && cd /tmp/build-sh-gcc1 && \
/tmp/gcc-${GCC_VER}/configure \
--target=sh2eb-elf \
--prefix="${YAUL_INSTALL_ROOT}" \
--enable-languages=c,c++ \
--without-headers \
--with-newlib \
--disable-nls \
--disable-shared \
--disable-multilib \
--disable-decimal-float \
--disable-threads \
--disable-libatomic \
--disable-libgomp \
--disable-libquadmath \
--disable-libssp \
--disable-libvtv \
--disable-libstdcxx \
&& make -j"$(nproc)" all-gcc all-target-libgcc \
&& make install-gcc install-target-libgcc && \
rm -rf /tmp/build-sh-gcc1
# ---------------------------------------------------------------------------
# 5. newlib for sh2eb-elf (C runtime for embedded SH-2)
# ---------------------------------------------------------------------------
RUN mkdir -p /tmp/build-sh-newlib && cd /tmp/build-sh-newlib && \
/tmp/newlib-${NEWLIB_VER}/configure \
--target=sh2eb-elf \
--prefix="${YAUL_INSTALL_ROOT}" \
--disable-newlib-supplied-syscalls \
--enable-newlib-reent-small \
&& make -j"$(nproc)" && make install && \
rm -rf /tmp/build-sh-newlib
# ---------------------------------------------------------------------------
# 6. sh2eb-elf GCC stage 2 (full build with newlib)
# ---------------------------------------------------------------------------
RUN mkdir -p /tmp/build-sh-gcc2 && cd /tmp/build-sh-gcc2 && \
/tmp/gcc-${GCC_VER}/configure \
--target=sh2eb-elf \
--prefix="${YAUL_INSTALL_ROOT}" \
--enable-languages=c,c++ \
--with-newlib \
--disable-nls \
--disable-shared \
--disable-multilib \
--disable-libssp \
--disable-libgomp \
--disable-libquadmath \
&& make -j"$(nproc)" && make install && \
rm -rf /tmp/build-sh-gcc2
# ---------------------------------------------------------------------------
# 7. m68k-elf binutils (Saturn 68EC000 sound CPU)
# ---------------------------------------------------------------------------
RUN mkdir -p /tmp/build-m68k-binutils && cd /tmp/build-m68k-binutils && \
/tmp/binutils-${BINUTILS_VER}/configure \
--target=m68k-elf \
--prefix="${YAUL_INSTALL_ROOT}" \
--disable-nls \
--disable-multilib \
--disable-werror \
&& make -j"$(nproc)" && make install && \
rm -rf /tmp/build-m68k-binutils
# ---------------------------------------------------------------------------
# 8. m68k-elf GCC (compiler only; Yaul provides its own sound startup)
# ---------------------------------------------------------------------------
RUN mkdir -p /tmp/build-m68k-gcc && cd /tmp/build-m68k-gcc && \
/tmp/gcc-${GCC_VER}/configure \
--target=m68k-elf \
--prefix="${YAUL_INSTALL_ROOT}" \
--enable-languages=c \
--without-headers \
--with-newlib \
--disable-nls \
--disable-shared \
--disable-multilib \
--disable-libssp \
&& make -j"$(nproc)" all-gcc && make install-gcc && \
rm -rf /tmp/build-m68k-gcc
# Clean up source tarballs/trees
RUN rm -rf /tmp/binutils-${BINUTILS_VER} /tmp/gcc-${GCC_VER} /tmp/newlib-${NEWLIB_VER}
# ---------------------------------------------------------------------------
# 9. Create m68keb-elf symlinks
# Yaul expects YAUL_ARCH_M68K_PREFIX=m68keb-elf but we built m68k-elf.
# m68k is always big-endian, so m68k-elf == m68keb-elf semantically.
# ---------------------------------------------------------------------------
RUN for tool in "${YAUL_INSTALL_ROOT}/bin/m68k-elf-"*; do \
base="$(basename "$tool")"; \
newname="${YAUL_INSTALL_ROOT}/bin/m68keb-elf-${base#m68k-elf-}"; \
ln -sf "$tool" "$newname"; \
done
# ---------------------------------------------------------------------------
# 10. Clone and install libyaul
# ---------------------------------------------------------------------------
RUN git clone --depth 1 --recurse-submodules \
https://github.com/yaul-org/libyaul.git /tmp/yaul && \
cd /tmp/yaul && \
YAUL_INSTALL_ROOT="${YAUL_INSTALL_ROOT}" \
YAUL_ARCH_SH_PREFIX=sh2eb-elf \
YAUL_PROG_SH_PREFIX=sh2eb-elf \
YAUL_ARCH_M68K_PREFIX=m68keb-elf \
YAUL_BUILD_ROOT=/tmp/yaul-build \
YAUL_BUILD=build \
YAUL_OPTION_MALLOC_IMPL=tlsf \
make install && \
rm -rf /tmp/yaul /tmp/yaul-build
# ---------------------------------------------------------------------------
# 11. Cross-compile zlib for sh2eb-elf
# Install into ${YAUL_INSTALL_ROOT}/sh2eb-elf/ to match the Yaul sysroot
# layout: headers at .../sh2eb-elf/include, libs at .../sh2eb-elf/lib.
# ---------------------------------------------------------------------------
RUN wget -q https://zlib.net/zlib-1.3.1.tar.gz -O /tmp/zlib.tar.gz && \
tar xf /tmp/zlib.tar.gz -C /tmp && \
cd /tmp/zlib-1.3.1 && \
CC="${YAUL_INSTALL_ROOT}/bin/sh2eb-elf-gcc" \
AR="${YAUL_INSTALL_ROOT}/bin/sh2eb-elf-ar" \
RANLIB="${YAUL_INSTALL_ROOT}/bin/sh2eb-elf-ranlib" \
CFLAGS="-m2 -mb -fno-builtin -O2" \
./configure \
--prefix="${YAUL_INSTALL_ROOT}/sh2eb-elf" \
--static \
&& make -j"$(nproc)" && make install && \
rm -rf /tmp/zlib-1.3.1 /tmp/zlib.tar.gz
# ---------------------------------------------------------------------------
# 12. Cross-compile libzip for sh2eb-elf
# ---------------------------------------------------------------------------
RUN printf '%s\n' \
'set(CMAKE_SYSTEM_NAME Generic)' \
'set(CMAKE_SYSTEM_PROCESSOR sh2)' \
"set(CMAKE_C_COMPILER \"${YAUL_INSTALL_ROOT}/bin/sh2eb-elf-gcc\")" \
"set(CMAKE_AR \"${YAUL_INSTALL_ROOT}/bin/sh2eb-elf-ar\")" \
"set(CMAKE_RANLIB \"${YAUL_INSTALL_ROOT}/bin/sh2eb-elf-ranlib\")" \
'set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)' \
'set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)' \
'set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)' \
'set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)' \
> /tmp/sat-xc.cmake
RUN wget -q https://libzip.org/download/libzip-1.10.1.tar.gz -O /tmp/libzip.tar.gz && \
tar xf /tmp/libzip.tar.gz -C /tmp && \
cmake -S /tmp/libzip-1.10.1 -B /tmp/libzip-build \
-DCMAKE_TOOLCHAIN_FILE=/tmp/sat-xc.cmake \
-DCMAKE_INSTALL_PREFIX="${YAUL_INSTALL_ROOT}/sh2eb-elf" \
-DCMAKE_FIND_ROOT_PATH="${YAUL_INSTALL_ROOT}/sh2eb-elf" \
-DCMAKE_C_FLAGS="-m2 -mb -fno-builtin -O2" \
-DZLIB_LIBRARY="${YAUL_INSTALL_ROOT}/sh2eb-elf/lib/libz.a" \
-DZLIB_INCLUDE_DIR="${YAUL_INSTALL_ROOT}/sh2eb-elf/include" \
-DENABLE_BZIP2=OFF \
-DENABLE_LZMA=OFF \
-DENABLE_ZSTD=OFF \
-DENABLE_OPENSSL=OFF \
-DENABLE_GNUTLS=OFF \
-DBUILD_SHARED_LIBS=OFF \
-DBUILD_EXAMPLES=OFF \
-DBUILD_DOCUMENTATION=OFF \
-DBUILD_REGRESS=OFF \
-DBUILD_TOOLS=OFF \
&& cmake --build /tmp/libzip-build -- -j"$(nproc)" \
&& cmake --install /tmp/libzip-build \
&& rm -rf /tmp/libzip-1.10.1 /tmp/libzip.tar.gz /tmp/libzip-build /tmp/sat-xc.cmake
WORKDIR /workdir
VOLUME ["/workdir"]
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