FROM debian:10.1-slim as base RUN apt -qq update >/dev/null RUN apt -qq install -y cmake make build-essential >/dev/null RUN apt -qq install -y autoconf git libtool >/dev/null RUN apt -qq install -y clang >/dev/null FROM base # Travis machines have 2 cores. Can be redefined with 'run --env PAR_JOBS=N'. ENV JOBS=2 WORKDIR /flatbuffers ADD . .