FROM ubuntu:20.04 ENV DEBIAN_FRONTEND="noninteractive" # Install dependencies. RUN apt-get update && apt-get install --no-install-recommends -y \ autoconf \ automake \ ca-certificates \ cmake \ curl \ git \ libtool \ make \ ninja-build \ pkg-config \ python3 \ unzip \ wget \ xz-utils \ && apt-get clean \ && rm -rf /var/lib/apt/lists/* WORKDIR /work/emsdk RUN git clone --depth=1 https://github.com/emscripten-core/emsdk /work/emsdk \ && ./emsdk install latest \ && ./emsdk activate latest # Build libsodium. RUN . "/work/emsdk/emsdk_env.sh" \ && git clone --depth=1 --branch=1.0.18 https://github.com/jedisct1/libsodium /work/libsodium \ && cd /work/libsodium \ && autoreconf -fi \ && emconfigure ./configure --disable-shared \ --without-pthreads \ --disable-ssp --disable-asm --disable-pie \ && emmake make install -j8 # Build msgpack. RUN . "/work/emsdk/emsdk_env.sh" \ && git clone --depth=1 --branch=c-4.0.0 https://github.com/msgpack/msgpack-c /work/msgpack-c \ && cd /work/msgpack-c \ && emcmake cmake -B_build -H. -GNinja \ -DCMAKE_INSTALL_PREFIX:PATH="/usr/local" \ -DCMAKE_C_FLAGS="-O3 -flto -fPIC" \ -DBUILD_SHARED_LIBS=OFF \ && emmake cmake --build _build --parallel 8 --target install # Build an unused libsodium binding first so emcc caches all the system # libraries. This makes rebuilds of toxcore below much faster. RUN . "/work/emsdk/emsdk_env.sh" \ && mkdir -p /work/wasm \ && emcc -O3 -flto \ --closure=1 \ -s ALLOW_UNIMPLEMENTED_SYSCALLS=1 \ -s EXPORT_NAME=libtoxcore \ -s IGNORE_MISSING_MAIN=1 \ -s MAIN_MODULE=1 \ -s MALLOC=emmalloc \ -s MODULARIZE=1 \ -s STRICT=1 \ -s WEBSOCKET_URL=wss:// \ /usr/local/lib/libsodium.a \ -o /work/wasm/libsodium.js # Build c-toxcore. COPY . /work/c-toxcore RUN . "/work/emsdk/emsdk_env.sh" \ && cd /work/c-toxcore \ && emcmake cmake -B_build -H. -GNinja \ -DCMAKE_INSTALL_PREFIX:PATH="/usr/local" \ -DCMAKE_C_FLAGS="-O3 -flto -fPIC" \ -DBUILD_TOXAV=OFF \ -DENABLE_SHARED=OFF \ -DBOOTSTRAP_DAEMON=OFF \ -DMIN_LOGGER_LEVEL=DEBUG \ && emmake cmake --build _build --parallel 8 --target install # Build wasm bindings. RUN . "/work/emsdk/emsdk_env.sh" \ && mkdir -p /work/wasm \ && emcc -O3 -flto \ --closure=1 \ -s ALLOW_UNIMPLEMENTED_SYSCALLS=1 \ -s EXPORT_NAME=libtoxcore \ -s IGNORE_MISSING_MAIN=1 \ -s MAIN_MODULE=1 \ -s MALLOC=emmalloc \ -s MODULARIZE=1 \ -s STRICT=1 \ -s WEBSOCKET_URL=wss:// \ /usr/local/lib/libmsgpackc.a \ /usr/local/lib/libsodium.a \ /usr/local/lib/libtoxcore.a \ -o /work/wasm/libtoxcore.js