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10 lines
400 B
Docker
10 lines
400 B
Docker
FROM emscripten/emsdk:1.40.0
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RUN apt-get update && apt-get install -qqy autoconf libtool pkg-config
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ENV CFLAGS "-Os -flto"
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ENV CXXFLAGS "${CFLAGS} -std=c++17"
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ENV LDFLAGS "${CFLAGS} -s PTHREAD_POOL_SIZE=navigator.hardwareConcurrency"
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# Build and cache standard libraries with these flags
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RUN emcc ${CXXFLAGS} --bind -xc++ /dev/null -o /dev/null
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WORKDIR /src
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CMD ["sh", "-c", "emmake make -j`nproc`"]
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