44 lines
981 B
Bash
44 lines
981 B
Bash
#!/usr/bin/env bash
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set -ex
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hide_output() {
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set +x
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on_err="
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echo ERROR: An error was encountered with the build.
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cat /tmp/build.log
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exit 1
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"
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trap '$on_err' ERR
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bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
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PING_LOOP_PID=$!
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"${@}" &> /tmp/build.log
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trap - ERR
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kill $PING_LOOP_PID
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rm -f /tmp/build.log
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set -x
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}
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git clone https://github.com/emscripten-core/emsdk.git /emsdk-portable
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cd /emsdk-portable
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# FIXME: switch to an upstream install once
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# https://github.com/rust-lang/rust/pull/63649 lands
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hide_output ./emsdk install 1.38.42
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./emsdk activate 1.38.42
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# Compile and cache libc
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# shellcheck disable=SC1091
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source ./emsdk_env.sh
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echo "main(){}" > a.c
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HOME=/emsdk-portable/ emcc a.c
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rm -f a.*
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# Make emsdk usable by any user
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cp /root/.emscripten /emsdk-portable
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chmod a+rxw -R /emsdk-portable
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# node 8 is required to run wasm
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cd /
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curl --retry 5 -L https://nodejs.org/dist/v12.3.1/node-v12.3.1-linux-x64.tar.xz | \
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tar -xJ
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