hello-world/Dockerfile.build

131 lines
3.6 KiB
Docker

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