root/trunk/freewrt/scripts/rstrip.sh

# $FreeWRT$
#-
# This file is part of the FreeWRT project. FreeWRT is copyrighted
# material, please see the LICENCE file in the top-level directory
# or at http://www.freewrt.org/licence for details.

[[ -n $BASH_VERSION ]] && shopt -s extglob

SELF=${0##*/}

if [[ -z $prefix ]]; then
        echo >&2 "$SELF: strip command not defined ('prefix' variable not set)"
        exit 1
fi

if [[ $1 = +keep ]]; then
        stripcomm=
        shift
else
        stripcomm=" -R .comment"
fi

TARGETS=$*

if [[ -z $TARGETS ]]; then
        echo >&2 "$SELF: no directories / files specified"
        echo >&2 "usage: $SELF [PATH...]"
        exit 1
fi

find $TARGETS -type f -a -exec file {} \; | \
    while IFS= read -r line; do
        F=${line%%:*}
        V=${F##*/fake-+([!/])/}
        T="${prefix}strip"
        [[ $F = */fwwif/* ]] || T=$T$stripcomm
        case $line in
        *ELF*executable*statically\ linked*)
                echo >&2 "$SELF: *WARNING* '$V' is not dynamically linked!"
                ;;
        esac
        case $line in
        *ELF*executable*,\ not\ stripped*)
                S=executable ;;
        */lib/modules/2.*.o:*ELF*relocatable*,\ not\ stripped* | \
        */lib/modules/2.*.ko:*ELF*relocatable*,\ not\ stripped*)
                # kernel module parametres must not be stripped off
                T="$T --strip-unneeded $(echo $(${prefix}nm $F | \
                    sed -n -e '/__param_/s/^.*__param_/-K /p' \
                    -e '/__module_parm_/s/^.*__module_parm_/-K /p'))"
                S='kernel module' ;;
        *ELF*relocatable*,\ not\ stripped*)
                S=relocatable ;;
        *ELF*shared\ object*,\ not\ stripped*)
                S='shared object' ;;
        *)
                continue ;;
        esac
        echo "$SELF: $V:$S"
        echo "+ $T $F"
        eval "$T $F"
done