131 lines
3.6 KiB
Docker
131 lines
3.6 KiB
Docker
# explicitly use Debian for maximum cross-architecture compatibility
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FROM debian:trixie-slim
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RUN set -eux; \
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dpkgArch="$(dpkg --print-architecture)"; \
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apt-get install --update -y --no-install-recommends \
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ca-certificates \
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gnupg \
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wget \
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\
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gcc \
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libc6-dev \
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make \
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\
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# these are all "arch:all" so we can just install all of them
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libc6-dev-amd64-cross \
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libc6-dev-arm64-cross \
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libc6-dev-armel-cross \
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libc6-dev-armhf-cross \
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libc6-dev-i386-cross \
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libc6-dev-mips64el-cross \
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libc6-dev-ppc64el-cross \
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libc6-dev-riscv64-cross \
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libc6-dev-s390x-cross \
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\
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# the cross-compilers are particular about which architectures they build for, so for now we'll only support a host architecture of amd64 or arm64
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$([ "$dpkgArch" = 'amd64' ] || echo 'gcc-x86-64-linux-gnu') \
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$([ "$dpkgArch" = 'arm64' ] || echo 'gcc-aarch64-linux-gnu') \
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gcc-arm-linux-gnueabi \
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gcc-arm-linux-gnueabihf \
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gcc-i686-linux-gnu \
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gcc-mips64el-linux-gnuabi64 \
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gcc-powerpc64le-linux-gnu \
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gcc-riscv64-linux-gnu \
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gcc-s390x-linux-gnu \
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\
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arch-test \
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file \
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patch \
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; \
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apt-get dist-clean
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# https://musl.libc.org/releases.html
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ENV MUSL_VERSION 1.2.5
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RUN set -eux; \
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wget -O musl.tgz.asc "https://musl.libc.org/releases/musl-$MUSL_VERSION.tar.gz.asc"; \
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wget -O musl.tgz "https://musl.libc.org/releases/musl-$MUSL_VERSION.tar.gz"; \
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\
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export GNUPGHOME="$(mktemp -d)"; \
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gpg --batch --keyserver keyserver.ubuntu.com --recv-keys '836489290BB6B70F99FFDA0556BCDB593020450F'; \
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gpg --batch --verify musl.tgz.asc musl.tgz; \
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gpgconf --kill all; \
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rm -rf "$GNUPGHOME" musl.tgz.asc; \
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\
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mkdir /usr/local/src/musl; \
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tar --extract --file musl.tgz --directory /usr/local/src/musl --strip-components 1; \
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rm musl.tgz
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WORKDIR /usr/src/hello
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COPY . .
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# https://bugs.debian.org/1050429: error: unrecognized command-line option '-EL' (on mips64le specifically/only)
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RUN patch --input="$PWD/musl-gcc-mips64le.patch" /usr/local/src/musl/tools/musl-gcc.specs.sh
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# the following steps are grouped into "architecture families" and roughly ordered in a descending compatibility way such that we end up with the most accurate ".host-arch" symlink we can reasonably get
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RUN set -ex; \
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make clean all test \
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TARGET_ARCH='amd64' \
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CROSS_COMPILE='x86_64-linux-gnu-' \
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ARCH_TEST='amd64'
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RUN set -ex; \
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make clean all test \
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TARGET_ARCH='i386' \
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CROSS_COMPILE='i686-linux-gnu-' \
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ARCH_TEST='i386'
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RUN set -ex; \
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make clean all test \
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TARGET_ARCH='arm64v8' \
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CROSS_COMPILE='aarch64-linux-gnu-' \
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ARCH_TEST='arm64'
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RUN set -ex; \
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make clean all test \
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TARGET_ARCH='arm32v7' \
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CROSS_COMPILE='arm-linux-gnueabihf-' \
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# EXTRA_CFLAGS='-march=armv7-a+fp' \
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ARCH_TEST='armhf'
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RUN set -ex; \
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make clean all test \
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TARGET_ARCH='arm32v6' \
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CROSS_COMPILE='arm-linux-gnueabi-' \
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EXTRA_CFLAGS='-march=armv6+fp' \
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ARCH_TEST='armhf'
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RUN set -ex; \
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make clean all test \
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TARGET_ARCH='arm32v5' \
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CROSS_COMPILE='arm-linux-gnueabi-' \
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# EXTRA_CFLAGS='-march=armv5te' \
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ARCH_TEST='armel'
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RUN set -ex; \
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make clean all test \
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TARGET_ARCH='mips64le' \
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CROSS_COMPILE='mips64el-linux-gnuabi64-' \
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ARCH_TEST='mips64el'
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RUN set -ex; \
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make clean all test \
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TARGET_ARCH='ppc64le' \
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CROSS_COMPILE='powerpc64le-linux-gnu-' \
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EXTRA_CFLAGS='-mlong-double-64' \
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ARCH_TEST='ppc64el'
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RUN set -ex; \
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make clean all test \
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TARGET_ARCH='riscv64' \
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CROSS_COMPILE='riscv64-linux-gnu-' \
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ARCH_TEST='riscv64'
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RUN set -ex; \
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make clean all test \
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TARGET_ARCH='s390x' \
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CROSS_COMPILE='s390x-linux-gnu-' \
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ARCH_TEST='s390x'
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RUN find \( -name 'hello' -or -name 'hello.txt' -or -name '.host-arch' \) -exec file '{}' + -exec ls -lh '{}' +
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CMD [".host-arch/hello-world/hello"]
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