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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
}
cd /
curl -fL https://mozilla-games.s3.amazonaws.com/emscripten/releases/emsdk-portable.tar.gz | \
tar -xz
cd /emsdk-portable
./emsdk update
hide_output ./emsdk install sdk-1.38.15-64bit
./emsdk activate sdk-1.38.15-64bit
# Compile and cache libc
source ./emsdk_env.sh
echo "main(){}" > a.c
HOME=/emsdk-portable/ emcc a.c
HOME=/emsdk-portable/ emcc -s BINARYEN=1 a.c
rm -f a.*
# Make emsdk usable by any user
cp /root/.emscripten /emsdk-portable
chmod a+rxw -R /emsdk-portable
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