{ "llvm-target": "wasm32-unknown-unknown-wasm", "build-tags": ["js", "wasm"], "compiler": "clang-7", "linker": "ld.lld-7", "cflags": [ "--target=wasm32", "-Oz" ], "ldflags": [ "-flavor", "wasm", "-allow-undefined" ], "emulator": ["cwa"] }