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| 1 | +#!/usr/bin/env bash |
| 2 | + |
| 3 | +set -x |
| 4 | +set -euo pipefail |
| 5 | + |
| 6 | +unpack_rpm() { |
| 7 | + local package="${1}" |
| 8 | + curl --retry 3 "http://mirror.centos.org/altarch/7/os/aarch64/Packages/${package}" -O |
| 9 | + rpm2cpio "${package}" | cpio -idmv |
| 10 | +} |
| 11 | + |
| 12 | +symlink_gcc_lib() { |
| 13 | + local prefix="${1}" |
| 14 | + shift |
| 15 | + local srcfile="${1}" |
| 16 | + shift |
| 17 | + local dstdir="/usr/lib/gcc/aarch64-linux-gnu" |
| 18 | + |
| 19 | + ln -s "${prefix}/lib/${srcfile}" "${dstdir}/4.8.2/${srcfile}" |
| 20 | + ln -s "${prefix}/lib/${srcfile}" "${dstdir}/4.8.5/${srcfile}" |
| 21 | + |
| 22 | + local dstfile |
| 23 | + for dstfile in "${@}"; do |
| 24 | + ln -s "${prefix}/lib/${srcfile}" "${dstdir}/4.8.2/${dstfile}" |
| 25 | + ln -s "${prefix}/lib/${srcfile}" "${dstdir}/4.8.5/${dstfile}" |
| 26 | + done |
| 27 | +} |
| 28 | + |
| 29 | +cp_gcc_archive() { |
| 30 | + local name="${1}" |
| 31 | + local srcdir="usr/lib/gcc/aarch64-redhat-linux/" |
| 32 | + local dstdir="/usr/lib/gcc/aarch64-linux-gnu/" |
| 33 | + cp "${srcdir}/4.8.2/${name}" "${dstdir}/4.8.2/${name}" |
| 34 | + cp "${srcdir}/4.8.5/${name}" "${dstdir}/4.8.5/${name}" |
| 35 | +} |
| 36 | + |
| 37 | +main() { |
| 38 | + yum install -y epel-release |
| 39 | + yum install -y gcc-aarch64-linux-gnu gcc-c++-aarch64-linux-gnu binutils-aarch64-linux-gnu binutils gcc-c++ glibc-devel |
| 40 | + yum clean all |
| 41 | + |
| 42 | + local td |
| 43 | + td="$(mktemp -d)" |
| 44 | + |
| 45 | + pushd "${td}" |
| 46 | + |
| 47 | + local target=aarch64-linux-gnu |
| 48 | + local prefix="/usr/${target}" |
| 49 | + local kernel_v4="4.18.20" |
| 50 | + |
| 51 | + curl --retry 3 "https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/linux-${kernel_v4}.tar.xz" -O |
| 52 | + tar -xvf "linux-${kernel_v4}.tar.xz" |
| 53 | + pushd "linux-${kernel_v4}" |
| 54 | + make ARCH=arm64 INSTALL_HDR_PATH="${prefix}" headers_install |
| 55 | + popd |
| 56 | + |
| 57 | + curl --retry 3 http://ftp.gnu.org/gnu/glibc/glibc-2.17.tar.xz -O |
| 58 | + tar -xvf glibc-2.17.tar.xz |
| 59 | + mkdir build |
| 60 | + pushd build |
| 61 | + CC=/usr/bin/aarch64-linux-gnu-gcc \ |
| 62 | + CXX=/usr/bin/aarch64-linux-gnu-g++ \ |
| 63 | + LD=/usr/bin/aarch64-linux-gnu-ld \ |
| 64 | + AR=/usr/bin/aarch64-linux-gnu-ar \ |
| 65 | + RANLIB=/usr/bin/aarch64-linux-gnu-ranlib \ |
| 66 | + ../glibc-2.17/configure \ |
| 67 | + --prefix="${prefix}" \ |
| 68 | + --build="${MACHTYPE}" \ |
| 69 | + --host="${target}" \ |
| 70 | + --target="${target}" \ |
| 71 | + --with-arch=aarch64 \ |
| 72 | + --with-headers="${prefix}/include" \ |
| 73 | + --libdir="${prefix}/lib" \ |
| 74 | + --libexecdir="${prefix}/lib" |
| 75 | + |
| 76 | + make -j && make install |
| 77 | + popd |
| 78 | + |
| 79 | + mkdir -p "${prefix}"/{include,lib} |
| 80 | + mkdir -p "/usr/lib/gcc/aarch64-linux-gnu"/{4.8.2,4.8.5} |
| 81 | + |
| 82 | + mkdir libgcc |
| 83 | + pushd libgcc |
| 84 | + unpack_rpm "libgcc-4.8.5-44.el7.aarch64.rpm" |
| 85 | + mv lib64/* "${prefix}/lib" |
| 86 | + # C++ support needs `libgcc.so`, even though it warns about `libgcc_s.so` |
| 87 | + symlink_gcc_lib "${prefix}" "libgcc_s.so.1" "libgcc_s.so" "libgcc.so" |
| 88 | + popd |
| 89 | + |
| 90 | + mkdir libstdcpp |
| 91 | + pushd libstdcpp |
| 92 | + unpack_rpm "libstdc++-4.8.5-44.el7.aarch64.rpm" |
| 93 | + unpack_rpm "libstdc++-devel-4.8.5-44.el7.aarch64.rpm" |
| 94 | + unpack_rpm "libstdc++-static-4.8.5-44.el7.aarch64.rpm" |
| 95 | + mv usr/include/* "${prefix}/include" |
| 96 | + mv usr/lib64/* "${prefix}/lib" |
| 97 | + symlink_gcc_lib "${prefix}" "libstdc++.so.6" "libstdc++.so" |
| 98 | + cp_gcc_archive "libstdc++.a" |
| 99 | + cp_gcc_archive "libsupc++.a" |
| 100 | + popd |
| 101 | + |
| 102 | + local cpp_include=/usr/aarch64-linux-gnu/include/c++ |
| 103 | + local cpp_482="${cpp_include}/4.8.2" |
| 104 | + local cpp_485="${cpp_include}/4.8.5" |
| 105 | + local redhat_482="${cpp_482}/aarch64-redhat-linux" |
| 106 | + local redhat_485="${cpp_485}/aarch64-redhat-linux" |
| 107 | + mv "${redhat_482}/bits"/* "${cpp_482}/bits" |
| 108 | + mv "${redhat_482}/ext"/* "${cpp_482}/ext" |
| 109 | + # these are currently empty, but might contain content later |
| 110 | + mv "${redhat_485}/bits"/* "${cpp_485}/bits" || true |
| 111 | + mv "${redhat_485}/ext"/* "${cpp_485}/ext" || true |
| 112 | + |
| 113 | + popd |
| 114 | + |
| 115 | + rm -rf "${td}" |
| 116 | + rm "${0}" |
| 117 | +} |
| 118 | + |
| 119 | +main "${@}" |
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