toolchain/build/llvm/bin/clang++ \
--target=wasm32-unknown-unknown-wasm -g -O3 \
-fno-exceptions --sysroot=sysroot -nostartfiles \
- -Wl,--export=foo,--demangle,--no-entry,--allow-undefined-file=gles2.imports \
+ -I/usr/local/include \
+ -Wl,--export=setup,--export=update,--demangle,--no-entry,--allow-undefined-file=gles2.imports \
test.cpp -o test.wasm