ARG EMSDK_IMAGE=emscripten/emsdk:6.0.6@sha256:be96eff5810e42c632f3f8b795388a6b596e4fb21ec28b9e1fb1bc49bb3b1eef
FROM ${EMSDK_IMAGE}

RUN apt-get update \
    && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
        autoconf=2.71-3 \
        bison=2:3.8.2+dfsg-1build2 \
        flex=2.6.4-8.2build1 \
        gperf=3.1-1build1 \
    && rm -rf /var/lib/apt/lists/*
