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FROM ubuntu:20.04
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
g++ \
make \
ninja-build \
file \
curl \
ca-certificates \
python3 \
git \
cmake \
sudo \
gdb \
xz-utils \
bzip2
COPY scripts/emscripten.sh /scripts/
RUN bash /scripts/emscripten.sh
COPY scripts/sccache.sh /scripts/
RUN sh /scripts/sccache.sh
# emcc seems to need python to specifically be "python" and not "python3"
RUN ln `which python3` /usr/bin/python
ENV PATH=$PATH:/emsdk-portable
ENV PATH=$PATH:/emsdk-portable/upstream/emscripten/
# Rust's build system requires NodeJS to be in the path, but the directory in
# which emsdk stores it contains the version number. This caused breakages in
# the past when emsdk bumped the node version causing the path to point to a
# missing directory.
#
# To avoid the problem this symlinks the latest NodeJs version available to
# "latest", and adds that to the path.
RUN ln -s /emsdk-portable/node/$(ls /emsdk-portable/node | sort -V | tail -n 1) \
/emsdk-portable/node/latest
ENV PATH=$PATH:/emsdk-portable/node/latest/bin/
ENV BINARYEN_ROOT=/emsdk-portable/upstream/
ENV EMSDK=/emsdk-portable
ENV EM_CONFIG=/emsdk-portable/.emscripten
ENV EM_CACHE=/emsdk-portable/upstream/emscripten/cache
ENV TARGETS=wasm32-unknown-emscripten
# Use -O1 optimizations in the link step to reduce time spent optimizing.
ENV EMCC_CFLAGS=-O1
COPY static/gitconfig /etc/gitconfig
# Emscripten installation is user-specific
ENV NO_CHANGE_USER=1
# Exclude library/alloc due to OOM in benches.
ENV SCRIPT python3 ../x.py test --stage 2 --host='' --target $TARGETS \
--exclude library/alloc
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