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# tinygo-llvm stage obtains the llvm source for TinyGo
FROM golang:1.18 AS tinygo-llvm
RUN apt-get update && \
apt-get install -y apt-utils make cmake clang-11 binutils-avr gcc-avr avr-libc ninja-build
COPY ./Makefile /tinygo/Makefile
RUN cd /tinygo/ && \
make llvm-source
# tinygo-llvm-build stage build the custom llvm with xtensa support
FROM tinygo-llvm AS tinygo-llvm-build
RUN cd /tinygo/ && \
make llvm-build
# tinygo-xtensa stage installs tools needed for ESP32
FROM tinygo-llvm-build AS tinygo-xtensa
ARG xtensa_version="1.22.0-80-g6c4433a-5.2.0"
RUN cd /tmp/ && \
wget -q https://dl.espressif.com/dl/xtensa-esp32-elf-linux64-${xtensa_version}.tar.gz && \
tar xzf xtensa-esp32-elf-linux64-${xtensa_version}.tar.gz && \
cp ./xtensa-esp32-elf/bin/xtensa-esp32-elf-ld /usr/local/bin/ && \
rm -rf /tmp/xtensa*
# tinygo-compiler stage builds the compiler itself
FROM tinygo-xtensa AS tinygo-compiler
COPY . /tinygo
# update submodules
RUN cd /tinygo/ && \
rm -rf ./lib/*/ && \
git submodule sync && \
git submodule update --init --recursive --force
RUN cd /tinygo/ && \
make
# tinygo-tools stage installs the needed dependencies to compile TinyGo programs for all platforms.
FROM tinygo-compiler AS tinygo-tools
RUN cd /tinygo/ && \
make wasi-libc binaryen && \
make gen-device -j4 && \
cp build/* $GOPATH/bin/
CMD ["tinygo"]
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