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#
# Docker toolchain cross-compiler
#
# This dockerfile is used for building a cross-compiler toolchain.
# The script for building the toolchain is supplied via extra-files.
#
FROM qemu/debian10
# Install build utilities for building gcc and glibc.
# ??? The build-dep isn't working, missing a number of
# minimal build dependiencies, e.g. libmpc.
RUN apt update && \
DEBIAN_FRONTEND=noninteractive apt install -yy eatmydata && \
DEBIAN_FRONTEND=noninteractive eatmydata \
apt install -y --no-install-recommends \
bison \
flex \
gawk \
libmpc-dev \
libmpfr-dev \
rsync \
texinfo \
wget && \
DEBIAN_FRONTEND=noninteractive eatmydata \
apt build-dep -yy --arch-only gcc glibc
ADD build-toolchain.sh /root/build-toolchain.sh
RUN cd /root && ./build-toolchain.sh
# Throw away the extra toolchain build deps, the downloaded source,
# and the build trees by restoring the original debian10 image,
# then copying the built toolchain from stage 0.
FROM qemu/debian10
COPY --from=0 /usr/local /usr/local
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