40 lines
1.4 KiB
Docker
40 lines
1.4 KiB
Docker
FROM ubuntu:20.04
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RUN apt-get update && \
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apt-get install -y --no-install-recommends \
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ca-certificates \
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clang \
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curl \
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git \
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libc6-dev \
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make \
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xz-utils
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# Note that we're using `git reset --hard` to pin to a specific commit for
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# verification for now. The sysroot is currently in somewhat of a state of flux
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# and is expected to have breaking changes, so this is an attempt to mitigate
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# those breaking changes on `libc`'s own CI
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RUN git clone https://github.com/WebAssembly/wasi-libc && \
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cd wasi-libc && \
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git reset --hard f2e779e5f1ba4a539937cedeeaa762c1e0c162df
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RUN apt-get install -y --no-install-recommends llvm
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RUN make -C wasi-libc install -j $(nproc) INSTALL_DIR=/wasi-libc
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RUN curl -L https://github.com/bytecodealliance/wasmtime/releases/download/dev/wasmtime-dev-x86_64-linux.tar.xz | \
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tar xJf -
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ENV PATH=$PATH:/wasmtime-dev-x86_64-linux
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COPY docker/wasm32-wasi/clang.sh /wasi-libc/bin/clang
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RUN apt-get install -y --no-install-recommends lld
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ENV PATH=$PATH:/usr/lib/llvm-9/bin
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# Of note here is our clang wrapper which just executes a normal clang
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# executable with the right sysroot, and then we're sure to turn off the
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# crt-static feature to ensure that the CRT that we're specifying with `clang`
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# is used.
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ENV CARGO_TARGET_WASM32_WASI_RUNNER=wasmtime \
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CARGO_TARGET_WASM32_WASI_LINKER=/wasi-libc/bin/clang \
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CC_wasm32_wasi=/wasi-libc/bin/clang \
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PATH=$PATH:/rust/bin \
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RUSTFLAGS=-Ctarget-feature=-crt-static
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