/
build_devtoolset.sh
executable file
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/
build_devtoolset.sh
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#!/bin/bash -eu
# Copyright 2016 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
#
# Builds a devtoolset cross-compiler targeting manylinux2014 (glibc 2.17 / libstdc++ 4.8).
VERSION="$1"
TARGET="$2"
case "${VERSION}" in
devtoolset-9)
LIBSTDCXX_VERSION="6.0.28"
LIBSTDCXX_ABI="new"
;;
devtoolset-10)
LIBSTDCXX_VERSION="6.0.28"
LIBSTDCXX_ABI="new"
;;
*)
echo "Usage: $0 {devtoolset-9|devtoolset-10} <target-directory> <arch>"
echo "Use 'devtoolset-9' to build a manylinux2014 compatible toolchain"
exit 1
;;
esac
mkdir -p "${TARGET}"
mkdir -p ${TARGET}/usr/include
# Put the current kernel headers from ubuntu in place.
ln -s "/usr/include/linux" "${TARGET}/usr/include/linux"
ln -s "/usr/include/asm-generic" "${TARGET}/usr/include/asm-generic"
ln -s "/usr/include/aarch64-linux-gnu/asm" "${TARGET}/usr/include/asm"
# Download glibc's shared and development libraries based on the value of the
# `VERSION` parameter.
# Note: 'Templatizing' this and the other conditional branches would require
# defining several variables (version, os, path) making it difficult to maintain
# and extend for future modifications.
mkdir -p glibc-src
mkdir -p glibc-build
cd glibc-src
wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=5 "https://vault.centos.org/centos/7/os/Source/SPackages/glibc-2.17-317.el7.src.rpm"
rpm2cpio "glibc-2.17-317.el7.src.rpm" |cpio -idmv
tar -xvzf "glibc-2.17-c758a686.tar.gz" --strip 1
tar -xvzf "glibc-2.17-c758a686-releng.tar.gz" --strip 1
sed -i '/patch0060/d' glibc.spec
/rpm-patch.sh "glibc.spec"
rm -f "glibc-2.17-317.el7.src.rpm" "glibc-2.17-c758a686.tar.gz" "glibc-2.17-c758a686-releng.tar.gz"
patch -p1 < /gcc9-fixups.patch
patch -p1 < /stringop_trunc.patch
cd ../glibc-build
../glibc-src/configure --prefix=/usr --disable-werror --enable-obsolete-rpc --disable-profile
make -j$(nproc)
make install DESTDIR=${TARGET}
cd ..
# Symlinks in the binary distribution are set up for installation in /usr, we
# need to fix up all the links to stay within /${TARGET}.
/fixlinks.sh "/${TARGET}"
# Patch to allow non-glibc 2.12 compatible builds to work.
sed -i '54i#define TCP_USER_TIMEOUT 18' "/${TARGET}/usr/include/netinet/tcp.h"
# Download specific version of libstdc++ shared library based on the value of
# the `VERSION` parameter
# Download binary libstdc++ 4.8 shared library release
wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=5 "http://old-releases.ubuntu.com/ubuntu/pool/main/g/gcc-4.8/libstdc++6_4.8.1-10ubuntu8_arm64.deb" && \
unar "libstdc++6_4.8.1-10ubuntu8_arm64.deb" && \
tar -C "${TARGET}" -xvzf "libstdc++6_4.8.1-10ubuntu8_arm64/data.tar.gz" "./usr/lib/aarch64-linux-gnu/libstdc++.so.6.0.18" && \
rm -rf "libstdc++6_4.8.1-10ubuntu8_arm64.deb" "libstdc++6_4.8.1-10ubuntu8_arm64"
mkdir -p "${TARGET}-src"
cd "${TARGET}-src"
# Build a devtoolset cross-compiler based on our glibc 2.12/glibc 2.17 sysroot setup.
case "${VERSION}" in
devtoolset-9)
wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=5 "https://vault.centos.org/centos/7/sclo/Source/rh/devtoolset-9-gcc-9.3.1-2.2.el7.src.rpm"
rpm2cpio "devtoolset-9-gcc-9.3.1-2.2.el7.src.rpm" |cpio -idmv
tar -xvf "gcc-9.3.1-20200408.tar.xz" --strip 1
;;
devtoolset-10)
wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=5 "https://vault.centos.org/centos/7/sclo/Source/rh/devtoolset-10-gcc-10.2.1-11.2.el7.src.rpm"
rpm2cpio "devtoolset-10-gcc-10.2.1-11.2.el7.src.rpm" |cpio -idmv
tar -xvf "gcc-10.2.1-20210130.tar.xz" --strip 1
;;
esac
# Apply the devtoolset patches to gcc.
/rpm-patch.sh "gcc.spec"
./contrib/download_prerequisites
mkdir -p "${TARGET}-build"
cd "${TARGET}-build"
"${TARGET}-src/configure" \
--prefix="${TARGET}/usr" \
--with-sysroot="/${TARGET}" \
--disable-bootstrap \
--disable-libmpx \
--enable-libsanitizer \
--disable-libunwind-exceptions \
--disable-libunwind-exceptions \
--disable-lto \
--disable-multilib \
--enable-__cxa_atexit \
--enable-gnu-indirect-function \
--enable-gnu-unique-object \
--enable-initfini-array \
--enable-languages="c,c++" \
--enable-linker-build-id \
--enable-plugin \
--enable-shared \
--enable-threads=posix \
--with-default-libstdcxx-abi=${LIBSTDCXX_ABI} \
--with-gcc-major-version-only \
--with-linker-hash-style="gnu" \
&& \
make -j$(nproc) && \
make install
# Create the devtoolset libstdc++ linkerscript that links dynamically against
# the system libstdc++ 4.4 and provides all other symbols statically.
# Note that the installation path for libstdc++ here is ${TARGET}/usr/lib64/
mv "${TARGET}/usr/lib64/libstdc++.so.${LIBSTDCXX_VERSION}" \
"${TARGET}/usr/lib64/libstdc++.so.${LIBSTDCXX_VERSION}.backup"
echo -e "OUTPUT_FORMAT(elf64-littleaarch64)\nINPUT ( libstdc++.so.6.0.18 -lstdc++_nonshared44 )" \
> "${TARGET}/usr/lib64/libstdc++.so.${LIBSTDCXX_VERSION}"
cp "./aarch64-unknown-linux-gnu/libstdc++-v3/src/.libs/libstdc++_nonshared44.a" \
"${TARGET}/usr/lib64"
# Link in architecture specific includes from the system; note that we cannot
# link in the whole aarch64-linux-gnu folder, as otherwise we're overlaying
# system gcc paths that we do not want to find.
# TODO(klimek): Automate linking in all non-gcc / non-kernel include
# directories.
mkdir -p "${TARGET}/usr/include/aarch64-linux-gnu"
PYTHON_VERSIONS=("python3.8" "python3.9" "python3.10" "python3.11")
for v in "${PYTHON_VERSIONS[@]}"; do
ln -s "/usr/local/include/${v}" "${TARGET}/usr/include/aarch64-linux-gnu/${v}"
done