132 lines
4.0 KiB
Bash
132 lines
4.0 KiB
Bash
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#!/bin/env bash
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# Ensure we're in this directory when running the script.
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cd -P -- "$(dirname -- "$0")" || exit 1
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# Remove existing builds.
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rm -Rf ./linux_*/
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# Build the different sysroots in docker.
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if ! docker buildx build --platform=linux/amd64,linux/arm64 --tag 'cross-sysroot:latest' --output 'type=local,dest=.' .; then
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echo "Failed to build sysroot, please review sysroot/README.md for instructions on configuring environment."
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exit 1
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fi
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# Setup exclude and include list for minimal sysroot building.
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exclude_list=()
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include_list=()
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exclude_list+=(--exclude "/bin")
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exclude_list+=(--exclude "/boot")
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exclude_list+=(--exclude "/boot*")
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exclude_list+=(--exclude "/dev")
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exclude_list+=(--exclude "/etc")
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exclude_list+=(--exclude "/home")
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exclude_list+=(--exclude "/lib/dhcpd")
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exclude_list+=(--exclude "/lib/firmware")
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exclude_list+=(--exclude "/lib/hdparm")
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exclude_list+=(--exclude "/lib/ifupdown")
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exclude_list+=(--exclude "/lib/modules")
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exclude_list+=(--exclude "/lib/modprobe.d")
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exclude_list+=(--exclude "/lib/modules-load.d")
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exclude_list+=(--exclude "/lib/resolvconf")
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exclude_list+=(--exclude "/lib/startpar")
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exclude_list+=(--exclude "/lib/systemd")
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exclude_list+=(--exclude "/lib/terminfo")
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exclude_list+=(--exclude "/lib/udev")
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exclude_list+=(--exclude "/lib/xtables")
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exclude_list+=(--exclude "/lib/ssl/private")
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exclude_list+=(--exclude "/lost+found")
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exclude_list+=(--exclude "/media")
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exclude_list+=(--exclude "/mnt")
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exclude_list+=(--exclude "/proc")
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exclude_list+=(--exclude "/root")
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exclude_list+=(--exclude "/run")
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exclude_list+=(--exclude "/sbin")
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exclude_list+=(--exclude "/srv")
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exclude_list+=(--exclude "/sys")
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exclude_list+=(--exclude "/tmp")
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exclude_list+=(--exclude "/usr/bin")
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exclude_list+=(--exclude "/usr/games")
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exclude_list+=(--exclude "/usr/sbin")
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exclude_list+=(--exclude "/usr/share")
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exclude_list+=(--exclude "/usr/src")
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exclude_list+=(--exclude "/usr/local/bin")
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exclude_list+=(--exclude "/usr/local/etc")
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exclude_list+=(--exclude "/usr/local/games")
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exclude_list+=(--exclude "/usr/local/man")
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exclude_list+=(--exclude "/usr/local/sbin")
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exclude_list+=(--exclude "/usr/local/share")
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exclude_list+=(--exclude "/usr/local/src")
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exclude_list+=(--exclude "/usr/lib/ssl/private")
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exclude_list+=(--exclude "/var")
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exclude_list+=(--exclude "/snap")
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exclude_list+=(--exclude "*python*")
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include_list+=(--include "*.a")
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include_list+=(--include "*.so")
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include_list+=(--include "*.so.*")
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include_list+=(--include "*.h")
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include_list+=(--include "*.hh")
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include_list+=(--include "*.hpp")
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include_list+=(--include "*.hxx")
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include_list+=(--include "*.pc")
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include_list+=(--include "/lib")
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include_list+=(--include "/lib32")
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include_list+=(--include "/lib64")
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include_list+=(--include "/libx32")
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include_list+=(--include "*/")
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args=()
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args+=(-a)
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args+=(-z)
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args+=(-m)
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args+=(-d)
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args+=(-h)
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args+=(--keep-dirlinks)
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args+=("--info=progress2")
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args+=(--delete)
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args+=(--prune-empty-dirs)
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args+=(--sparse)
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args+=(--links)
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args+=(--copy-unsafe-links)
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args+=("${exclude_list[@]}")
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args+=("${include_list[@]}")
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args+=(--exclude "*")
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# Make the sysroot environments minimal.
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echo "Making sysroot the bare minimal."
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for arch in linux_*; do
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# Skip already minimal dirs.
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if [[ $arch =~ _minimal ]]; then
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continue
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fi
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# Fix symbolic links.
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(
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cd "$arch" || exit 1
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for slink in ./usr/lib64/ld-linux-x86-64.so.2 ./usr/lib/*-linux-gnu/*.so; do
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if [[ -L $slink ]]; then
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spath=$(readlink "$slink")
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if grep -q "/${arch}/" <<<"$spath"; then
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npath=$(sed "s/\/$arch\//.\//" <<<"$spath")
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rpath=$(realpath -m --relative-to="$(dirname "$slink")" "$npath")
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unlink "$slink"
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ln -s "$rpath" "$slink"
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fi
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fi
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done
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)
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# Run rsync to minimal.
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rsync "${args[@]}" "$arch/" "${arch}_minimal/"
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rm -Rf "${arch:?}/"
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mv "${arch}_minimal/" "$arch/"
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done
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# Clear build cache.
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echo "Clearing build cache."
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docker buildx prune --all --force
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echo "Done building sysroot."
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