New upstream version 2018.6

rust/vendor/libc/ci/docker/wasm32-unknown-emscripten/Dockerfile

@@ -0,0 +1,21 @@
+FROM ubuntu:16.04
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    ca-certificates \
+    curl \
+    gcc \
+    git \
+    libc6-dev \
+    python \
+    xz-utils
+
+COPY emscripten.sh /
+RUN bash /emscripten.sh
+
+ENV PATH=$PATH:/rust/bin \
+    CARGO_TARGET_WASM32_UNKNOWN_EMSCRIPTEN_RUNNER=node-wrapper.sh
+
+COPY emscripten-entry.sh /
+COPY docker/wasm32-unknown-emscripten/node-wrapper.sh /usr/local/bin/node-wrapper.sh
+ENTRYPOINT ["/emscripten-entry.sh"]

rust/vendor/libc/ci/docker/wasm32-unknown-emscripten/node-wrapper.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+set -e
+
+me=$1
+shift
+dir=$(dirname $me)
+file=$(basename $me)
+
+if echo $file | grep -q wasm; then
+  exit 0 # FIXME(rust-lang/cargo#4750)
+fi
+
+cd $dir
+exec node $file "$@"