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FROM debian:stable
ARG PREFIX=/usr/local/x86_64-w64-mingw32
ENV PATH=$PREFIX/bin:$PATH
RUN apt-get update && \
    DEBIAN_FRONTEND=noninteractive apt-get -qq -y install \
        build-essential \
        git \
        texinfo \
        wget

# binutils
WORKDIR /src
RUN wget https://ftp.gnu.org/gnu/binutils/binutils-2.43.tar.xz
RUN tar -xf binutils-2.43.tar.xz
WORKDIR build-binutils
RUN ../binutils-2.43/configure \
    --prefix=$PREFIX \
    --target=x86_64-w64-mingw32 \
    --disable-multilib
RUN make -j$(nproc --all)
RUN make install

# mingw-headers
WORKDIR /src
RUN git clone https://git.code.sf.net/p/mingw-w64/mingw-w64 mingw-w64
WORKDIR build-mingw-headers
RUN ../mingw-w64/mingw-w64-headers/configure \
    --host=x86_64-w64-mingw32 \
    --prefix=$PREFIX/x86_64-w64-mingw32
RUN make install

# gcc core
WORKDIR /src
RUN wget https://ftp.gnu.org/gnu/gcc/gcc-14.2.0/gcc-14.2.0.tar.xz
RUN tar -xf gcc-14.2.0.tar.xz
WORKDIR gcc-14.2.0
RUN ./contrib/download_prerequisites
WORKDIR /src/build-gcc
RUN ../gcc-14.2.0/configure \
    --prefix=$PREFIX \
    --target=x86_64-w64-mingw32 \
    --disable-multilib \
    --enable-languages=c,c++
RUN make -j$(nproc --all) all-gcc
RUN make install-gcc

# mingw-w64 CRT
WORKDIR /src/build-mingw-w64-crt
RUN ../mingw-w64/configure \
    --host=x86_64-w64-mingw32 \
    --prefix=$PREFIX/x86_64-w64-mingw32
# The documentation suggests a race condition when -j is used.
RUN make
RUN make install

# gcc (finish build)
WORKDIR /src/build-gcc
RUN make -j$(nproc --all)
RUN make install