1 files changed, 56 insertions, 0 deletions
diff --git a/src/ci/docker/host-x86_64/wasm32/Dockerfile b/src/ci/docker/host-x86_64/wasm32/Dockerfile
new file mode 100644
index 000000000..878c4e341
--- /dev/null
+++ b/src/ci/docker/host-x86_64/wasm32/Dockerfile
@@ -0,0 +1,56 @@
+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
+
+# 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