try to fix the build on emscripten
The "upstream" emscripten tar.gz now extracts to `emsdk-portable` instead of `emsdk_portable`, breaking our CI. It might be better to vendor a specific version of emscripten instead of using the latest, but I could not find a good way of doing that.
r? @alexcrichton
}
curl https://s3.amazonaws.com/mozilla-games/emscripten/releases/emsdk-portable.tar.gz | \
- tar xzf -
+ tar xzf -
+
+# Some versions of the EMSDK archive have their contents in .emsdk-portable
+# and others in emsdk_portable. Make sure the EMSDK ends up in a fixed path.
+if [ -d emsdk-portable ]; then
+ mv emsdk-portable emsdk_portable
+fi
+
+if [ ! -d emsdk_portable ]; then
+ echo "ERROR: Invalid emsdk archive. Dumping working directory." >&2
+ ls -l
+ exit 1
+fi
+
+# Some versions of the EMSDK set the permissions of the root directory to
+# 0700. Ensure the directory is readable by all users.
+chmod 755 emsdk_portable
+
source emsdk_portable/emsdk_env.sh
hide_output emsdk update
hide_output emsdk install --build=Release sdk-tag-1.37.1-32bit