292 lines
6.1 KiB
Bash
Executable File
292 lines
6.1 KiB
Bash
Executable File
#!/bin/sh -ef
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#
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# find-requires - generate list of linux-specific package requires.
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# Inspired by tool with same name from RPM distribution.
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#
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# Copyright (C) 2000-2003 Dmitry V. Levin <ldv@altlinux.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, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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PROG="${0##*/}"
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exit_handler()
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{
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local rc=$?
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trap - EXIT
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cat >/dev/null 2>&1
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exit $rc
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}
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trap exit_handler EXIT
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# If using normal root, avoid changing anything.
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if [ -z "$(echo "$RPM_BUILD_ROOT" |tr -d ' /.')" ]; then
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echo "$PROG: non-/ RPM_BUILD_ROOT expected" >&2
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exit 1
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fi
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FIND_FILES=
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FIND_LIBS=
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FIND_PAM=
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FIND_PERL=
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FIND_LIBPERL=
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FIND_SHELL=
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libperl_so=
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ParseMethod()
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{
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local t
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for t in "$@"; do
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case "${t/%,}" in
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no|none|off|false)
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FIND_FILES=
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FIND_LIBS=
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FIND_PAM=
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FIND_PERL=
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FIND_LIBPERL=
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FIND_SHELL=
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;;
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lib|library)
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FIND_LIBS=1
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;;
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libperl)
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FIND_LIBPERL=1
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;;
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nolib|nolibrary)
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FIND_LIBS=
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;;
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nolibperl)
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FIND_LIBPERL=
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;;
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files)
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FIND_FILES=1
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;;
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nofiles)
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FIND_FILES=
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;;
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pam)
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FIND_PAM=1
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;;
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nopam)
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FIND_PAM=
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;;
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perl)
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FIND_PERL=1
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FIND_LIBPERL=1
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;;
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noperl)
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FIND_PERL=
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FIND_LIBPERL=
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;;
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sh|shell)
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FIND_SHELL=1
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;;
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nosh|noshell)
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FIND_SHELL=
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;;
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all)
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FIND_FILES=1
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FIND_LIBS=1
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FIND_PAM=1
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FIND_PERL=1
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FIND_LIBPERL=1
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FIND_SHELL=1
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;;
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default|yes|true)
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ParseMethod $RPM_FINDREQ_DEFAULT_METHOD
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;;
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*)
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echo "Unrecognized find-requires method: $t" >&2
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exit 1
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;;
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esac
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done
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}
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ParseMethod $RPM_FINDREQ_METHOD
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FIND_SCRIPT=
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if [ -n "$FIND_SHELL" -o -n "$FIND_PERL" -o -n "$FIND_PAM" ]; then
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FIND_SCRIPT=1
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fi
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if [ -z "$FIND_LIBS" -a -z "$FIND_SCRIPT" -a -z "$FIND_FILES" ]; then
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# Nothing to do
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exit
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fi
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if [ -n "$*" ]; then
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# We do not handle arguments yet...
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exit
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fi
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. @RPMCONFIGDIR@/find-package
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ulimit -c 0
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case "$LD_PRELOAD" in
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*libfakeroot*)
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unset LD_PRELOAD
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;;
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*libbuildreq.so*)
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unset LD_PRELOAD
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;;
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esac
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FOUND_REQS=
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LIST_PERL=
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ListScriptReqs()
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{
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[ -n "$FIND_SCRIPT" ] || return 0
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local f t
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f="$1"
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t="$2"
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if [ -x "$f" ]; then
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local r
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r="$(FindPackage "$f" "$(head -1 "$f" |sed -n 's|^#![[:space:]]*\(/[^[:space:]]\+\).*|\1|p')")" || return 1
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[ -z "$FOUND_REQS" ] && FOUND_REQS="$r" || FOUND_REQS="$FOUND_REQS
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$r"
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fi
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if [ -z "${t##*Bourne* shell script text*}" ]; then
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if [ -n "$FIND_SHELL" -a -x "$f" ]; then
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local r
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r="$(@RPMCONFIGDIR@/shell.req "$f")" || return 1
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[ -z "$FOUND_REQS" ] && FOUND_REQS="$r" || FOUND_REQS="$FOUND_REQS
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$r"
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fi
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elif [ -z "${t##ASCII *text*}" -a -z "${f%%$RPM_BUILD_ROOT/etc/pam.d/*}" ]; then
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if [ -n "$FIND_PAM" ]; then
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local r
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r="$(@RPMCONFIGDIR@/pam.req "$f")" || return 1
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[ -z "$FOUND_REQS" ] && FOUND_REQS="$r" || FOUND_REQS="$FOUND_REQS
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$r"
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fi
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elif [ -z "${t##*perl script text*}" -o -z "${f%%*.p[lmh]}" ]; then
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if [ -n "$FIND_PERL" ]; then
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[ -z "$LIST_PERL" ] && LIST_PERL="$f" || LIST_PERL="$LIST_PERL
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$f"
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fi
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fi
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}
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FindPerlReqs()
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{
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[ -n "$LIST_PERL" ] || return 0
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local r
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r="$(echo "$LIST_PERL" |@RPMCONFIGDIR@/perl.req)" || return 1
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[ -z "$FOUND_REQS" ] && FOUND_REQS="$r" || FOUND_REQS="$FOUND_REQS
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$r"
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}
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# Note this works for both a.out and ELF executables.
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# It also auto-generates requirements for scripts.
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FindLibReqs()
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{
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[ -n "$FIND_LIBS" ] || return 0
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local f d
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f="$1"
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if d="$(objdump -p "$f")"; then
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# Shared library dependencies, glibc version references.
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echo -E "$d" |awk '
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BEGIN {start_shared=0; start_version=0; lib_name="";}
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/^Dynamic Section:$/ {start_shared=1;}
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/^Version References:$/ {start_version=1;}
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(start_version==1) && /^ *required from/ {sub(/:/, "", $3); lib_name=$3;}
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(start_shared==1) && /^ *NEEDED/ {print $2;}
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(start_version==1) && (lib_name!="") && ($4!="") {print lib_name "(" $4 ")";}
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/^$/ {start_shared=0; start_version=0;}
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'
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if [ -n "$FIND_LIBPERL" -a -z "$libperl_so" -a -z "${f##*/usr/lib/perl?/*/auto/*.so}" ]; then
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libperl_so=`perl -MConfig -e 'print "$Config{libperl}\n"'`
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echo "$libperl_so"
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fi
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fi
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}
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FindExeReqs()
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{
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if [ -x "$1" ]; then
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FindLibReqs "$1"
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fi
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}
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if [ -n "$RPM_SUBPACKAGE_NAME" ]; then
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if [ -n "${RPM_SUBPACKAGE_NAME%%glibc*}" -a -z "${RPM_SUBPACKAGE_NAME##*-devel-static}" ]; then
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FOUND_REQS=glibc-devel-static
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fi
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fi
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: ${RPM_FINDREQ_TOPDIR:=}
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: ${RPM_FINDREQ_SKIPLIST:=}
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while IFS= read -r f; do
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fname="${f#$RPM_BUILD_ROOT}"
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fname="${fname#.}"
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if [ -n "$RPM_FINDREQ_TOPDIR" ] && [ -z "${fname%%$RPM_FINDREQ_TOPDIR/*}" ]; then
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continue;
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fi
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if [ -n "$RPM_FINDREQ_SKIPLIST" ]; then
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for skip in $RPM_FINDREQ_SKIPLIST; do
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if [ -z "${fname//$skip}" ]; then
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continue 2
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fi
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done
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fi
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if [ -n "$FIND_FILES" ]; then
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for p in \
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/etc/chroot.d \
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/etc/cron.d \
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/etc/cron.hourly \
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/etc/cron.daily \
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/etc/cron.weekly \
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/etc/cron.monthly \
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/etc/logrotate.d \
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/etc/rpm/macros.d \
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/etc/security/console.apps \
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/etc/xinetd.d \
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; do
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if [ -z "${fname%%$p/*}" ]; then
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[ -z "$FOUND_REQS" ] && FOUND_REQS="$p" || FOUND_REQS="$FOUND_REQS
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$p"
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fi
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done
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fi
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t="$(file -b "$f")"
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if [ -z "${t##* text*}" ]; then
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ListScriptReqs "$f" "$t"
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elif [ -z "${t##* executable*}" ]; then
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r="$(FindExeReqs "$f")"
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[ -z "$FOUND_REQS" ] && FOUND_REQS="$r" || FOUND_REQS="$FOUND_REQS
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$r"
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elif [ -z "${t##* shared object*}" ]; then
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r="$(FindLibReqs "$f")"
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[ -z "$FOUND_REQS" ] && FOUND_REQS="$r" || FOUND_REQS="$FOUND_REQS
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$r"
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fi
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done
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# Find requires in listed perl scripts, if any
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FindPerlReqs
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# Finally sort and print them.
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echo "$FOUND_REQS" |LC_COLLATE=C sort -u
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