108 lines
3.1 KiB
Bash
108 lines
3.1 KiB
Bash
#!/bin/bash
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#
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# library_depends.sh - Automatically add library requirements to depends
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#
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# Copyright (c) 2021-2025 Pacman Development Team <pacman-dev@lists.archlinux.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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[[ -n "$LIBMAKEPKG_AUTODEP_LIBRARY_DEPENDS_SH" ]] && return
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LIBMAKEPKG_AUTODEP_LIBRARY_DEPENDS_SH=1
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MAKEPKG_LIBRARY=${MAKEPKG_LIBRARY:-'@libmakepkgdir@'}
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autodep_functions+=('library_depends')
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library_depends() {
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if check_option "autodeps" "y"; then
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local dep filename libdeps libdir libpath prefix sofile isoptdep
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declare -A libdeps
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declare -A optlibdeps
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while IFS= read -rd '' filename; do
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for sofile in $(LC_ALL=C readelf -d $filename 2>/dev/null | sed -nr 's/.*Shared library: \[(.*)\].*/\1/p'); do
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# get the full path of the library
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libpath=$(ldd $filename | sed -nr "s/.$sofile => (.*) \(.*\)/\1/p")
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# if ldd can not find the library, it is likely part of the package and not in filesystem
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if [[ -z $libpath ]]; then
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continue
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fi
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# skip if the library is part of the package
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if [[ -e "$pkgdir/$libpath" ]]; then
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continue
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fi
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# find the prefix for the dependency
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libpath=${libpath#/}
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libpath=${libpath%/*}
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unset prefix
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for libdir in ${LIB_DIRS[@]}; do
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if [[ ${libdir#*:} == ${libpath} ]]; then
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prefix=${libdir%%:*}
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fi
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done
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if [[ -z ${prefix} ]]; then
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continue
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fi
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# only add library dependency if it exists - this helps bootstrapping dependencies
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if [[ $(run_pacman -T "$prefix:$sofile") ]]; then
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continue
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fi
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# if the binary marked as optional, add its dependencies to optdepends
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unset isoptdep
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for optbinary in "${optbinaries[@]}"
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do
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IFS=':'; local optbinarydata=($optbinary); unset IFS;
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if [[ "${optbinarydata[0]}" == "${filename#$pkgdir/}" ]] ; then
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if [[ -z ${optbinarydata[1]} ]]; then
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optlibdeps["$prefix:$sofile"]+=""
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else
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optlibdeps["$prefix:$sofile"]+="${optbinarydata[1]# }; "
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fi
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isoptdep=1
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fi
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done
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if [[ -n ${isoptdep} ]]; then
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continue
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fi
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libdeps["$prefix:$sofile"]=1
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done
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done < <(find "$pkgdir" -type f -perm -u+x -print0)
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# remove optlibdep if already in libdep
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for libdep in ${!libdeps[@]}; do
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unset optlibdeps["$libdep"]
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done
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depends+=(${!libdeps[@]})
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for optlibdep in "${!optlibdeps[@]}"; do
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if [[ -z ${optlibdeps[${optlibdep}]} ]]; then
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optdepends+=("$optlibdep")
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else
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optdepends+=("$optlibdep: ${optlibdeps[${optlibdep}]%; }")
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fi
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done
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fi
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}
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