| set -ex |
| |
| hide_output() { |
| set +x |
| on_err=" |
| echo ERROR: An error was encountered with the build. |
| cat /tmp/build.log |
| exit 1 |
| " |
| trap "$on_err" ERR |
| bash -c "while true; do sleep 30; echo \$(date) - building ...; done" & |
| PING_LOOP_PID=$! |
| $@ &> /tmp/build.log |
| trap - ERR |
| kill $PING_LOOP_PID |
| rm -f /tmp/build.log |
| set -x |
| } |
| |
| # Download last known good emscripten from WebAssembly waterfall |
| BUILD=$(curl -fL https://storage.googleapis.com/wasm-llvm/builds/linux/lkgr.json | \ |
| jq '.build | tonumber') |
| curl -sL https://storage.googleapis.com/wasm-llvm/builds/linux/$BUILD/wasm-binaries.tbz2 | \ |
| hide_output tar xvkj |
| |
| # node 8 is required to run wasm |
| cd / |
| curl -sL https://nodejs.org/dist/v8.0.0/node-v8.0.0-linux-x64.tar.xz | \ |
| tar -xJ |
| |
| # Make emscripten use wasm-ready node and LLVM tools |
| echo "EMSCRIPTEN_ROOT = '/wasm-install/emscripten'" >> /root/.emscripten |
| echo "NODE_JS='/usr/local/bin/node'" >> /root/.emscripten |
| echo "LLVM_ROOT='/wasm-install/bin'" >> /root/.emscripten |
| echo "BINARYEN_ROOT = '/wasm-install'" >> /root/.emscripten |
| echo "COMPILER_ENGINE = NODE_JS" >> /root/.emscripten |
| echo "JS_ENGINES = [NODE_JS]" >> /root/.emscripten |
