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# We document platform support for minimum glibc 2.17 and kernel 3.2.
# CentOS 7 has headers for kernel 3.10, but that's fine as long as we don't
# actually use newer APIs in rustc or std without a fallback. It's more
# important that we match glibc for ELF symbol versioning.
FROM centos:7
WORKDIR /build
# CentOS 7 EOL is June 30, 2024, but the repos remain in the vault.
RUN sed -i /etc/yum.repos.d/*.repo -e 's!^mirrorlist!#mirrorlist!' \
-e 's!^#baseurl=http://mirror.centos.org/!baseurl=https://vault.centos.org/!'
RUN sed -i 's/enabled=1/enabled=0/' /etc/yum/pluginconf.d/fastestmirror.conf
RUN yum upgrade -y && \
yum install -y \
automake \
bzip2 \
file \
gcc \
gcc-c++ \
git \
glibc-devel \
glibc-static \
libedit-devel \
libstdc++-devel \
make \
ncurses-devel \
openssl-devel \
patch \
perl \
perl-core \
pkgconfig \
python3 \
unzip \
wget \
xz \
zlib-devel \
&& yum clean all
RUN mkdir -p /rustroot/bin
ENV PATH=/rustroot/bin:$PATH
ENV LD_LIBRARY_PATH=/rustroot/lib64:/rustroot/lib32:/rustroot/lib
ENV PKG_CONFIG_PATH=/rustroot/lib/pkgconfig
WORKDIR /tmp
RUN mkdir /home/user
COPY scripts/shared.sh /tmp/
# Need at least GCC 5.1 to compile LLVM
COPY scripts/build-gcc.sh /tmp/
ENV GCC_VERSION=9.5.0
ENV GCC_BUILD_TARGET=aarch64-unknown-linux-gnu
RUN ./build-gcc.sh && yum remove -y gcc gcc-c++
ENV CC=gcc CXX=g++
# LLVM 17 needs cmake 3.20 or higher.
COPY scripts/cmake.sh /tmp/
RUN ./cmake.sh
# Build LLVM+Clang
COPY scripts/build-clang.sh /tmp/
ENV LLVM_BUILD_TARGETS=AArch64
RUN ./build-clang.sh
ENV CC=clang CXX=clang++
# Build zstd to enable `llvm.libzstd`.
COPY scripts/build-zstd.sh /tmp/
RUN ./build-zstd.sh
COPY scripts/sccache.sh /scripts/
RUN sh /scripts/sccache.sh
ENV PGO_HOST=aarch64-unknown-linux-gnu
ENV HOSTS=aarch64-unknown-linux-gnu
ENV CPATH=/usr/include/aarch64-linux-gnu/:$CPATH
ENV RUST_CONFIGURE_ARGS \
--build=aarch64-unknown-linux-gnu \
--enable-full-tools \
--enable-profiler \
--enable-sanitizers \
--enable-compiler-docs \
--set target.aarch64-unknown-linux-gnu.linker=clang \
--set target.aarch64-unknown-linux-gnu.ar=/rustroot/bin/llvm-ar \
--set target.aarch64-unknown-linux-gnu.ranlib=/rustroot/bin/llvm-ranlib \
--set llvm.link-shared=true \
--set llvm.thin-lto=true \
--set llvm.libzstd=true \
--set llvm.ninja=false \
--set rust.debug-assertions=false \
--set rust.jemalloc \
--set rust.bootstrap-override-lld=true \
--set rust.lto=thin \
--set rust.codegen-units=1
ENV SCRIPT python3 ../x.py build --set rust.debug=true opt-dist && \
./build/$HOSTS/stage1-tools-bin/opt-dist linux-ci -- python3 ../x.py dist \
--host $HOSTS --target $HOSTS --include-default-paths build-manifest bootstrap
ENV CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=clang
ENV LIBCURL_NO_PKG_CONFIG 1
ENV DIST_REQUIRE_ALL_TOOLS 1
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