Сравнение постов

#!/bin/sh

s_term() {

    #EC_OK

    exit 0

}

trap s_term 15

die() {

    retval=$1

    shift

    echo "Fatal error: $*" >&2

    exit $retval

}

warning() {

    echo "Warning: $*" >&2

}

debug() {

    if [ -n "$DEBUG" ] ; then

        echo "Debug: $*" >&2

    fi

}

get_platform() {

    uname -s | LC_ALL=C tr '[A-Z]' '[a-z]'

}

get_lib_path() {

    binary="$1"

    lib="$2"

    $LDD $LDD_RECURSIVE "$binary" 2>&1 | grep "$lib" | head -n1 | while read lib dummy path ; do echo $path ; done | cut -d' ' -f1

}

binary_grep() {

    pattern="$1"

    binary="$2"

    [ -r "$binary" ] || return 1

    env LC_ALL=C tr -dc '[:print:]' < "$binary" | grep -F "$pattern" >/dev/null 2>&1

}

append_to_library_path() {

    debug "Append \"$1\" to LD_LIBRARY_PATH"

    if [ -d "$LIBDIR/$1" ] ; then

        true

    else

        debug "\"$1\" is not a directory"

        return

    fi

    LD_LIBRARY_PATH="${LD_LIBRARY_PATH:+${LD_LIBRARY_PATH}:}${LIBDIR}/$1"

    export LD_LIBRARY_PATH

}

run() {

    libs=""

    loader=""

    if [ "$PLATFORM" = "linux" ] ; then

        lddOutput="`LANGUAGE=C LANG=C $LDD $LDD_RECURSIVE "$BINARY" 2>&1`"

        if echo "$lddOutput" | grep gzopen64 >/dev/null 2>&1 ; then

            append_to_library_path "ldwrap/libz.so.1"

        fi

    elif [ "$PLATFORM" = "freebsd" ] ; then

        #rpath doesn't work here

        append_to_library_path ""

        #own gcc prefer for BSD

        append_to_library_path "ldwrap/gcc"

    fi

    if binary_grep "libstdc++.so.6" "$BINARY" ; then

        libpath="`get_lib_path "$BINARY" "libstdc++.so.6" 2>/dev/null`"

        if binary_grep "CXXABI_$MIN_CXXABI" "$libpath" ; then

            true

        else

            append_to_library_path "ldwrap/gcc"

        fi

    fi

    for i in 1 2; do

        libs="`LANGUAGE=C LANG=C $LDD $LDD_RECURSIVE "$BINARY" 2>&1 | \

            grep 'not found' | awk '{print $1}'| sort | uniq`"

	if [ -z "$libs" ]; then break; fi

        for lib in $libs ; do

            append_to_library_path "ldwrap/$lib"

        done

    done

    debug "Finally LD_LIBRARY_PATH is \"$LD_LIBRARY_PATH\""

    if [ -n "$loader" ] ; then

        exec $LOADER "$BINARY" "$@"

        retval=$?

    else

        exec "$BINARY" "$@"

        retval=$?

    fi

    return $retval

}

LDD="/usr/bin/ldd"

[ -x "$LDD" ] || die 125 "ldd not found. Fix PATH and try again."

PLATFORM=linux

PREFIX=/opt/drweb.com

LIBDIR=/opt/drweb.com/lib/x86_64-linux-gnu

CONFDIR=/etc/opt/drweb.com

BINARY="$PREFIX/bin/`basename "$0.real"`"

LINKNAME="`basename "$0"`"

[ -x "$BINARY" ] || die 104 "$BINARY not found or not executable"

if [ -d "$CONFDIR/ldwrap.conf.d" ] ; then

    for f in $CONFDIR/ldwrap.conf.d/*.conf ; do

        [ -r "$f" ] && . "$f"

    done

fi

MIN_CXXABI=1.3.12

if [ -n "$ARGS" ] ; then

    run "$@" "$ARGS"

else

    run "$@"

fi

exit $?