tools/populate.in
changeset 217 af2745972e3f
child 253 0f63d92021ea
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/tools/populate.in	Sun Jul 08 17:44:59 2007 +0000
     1.3 @@ -0,0 +1,124 @@
     1.4 +#!/bin/bash
     1.5 +
     1.6 +# This script will populate the root directory with libs from the sysroot.
     1.7 +# (C) 2007 Yann E. MORIN
     1.8 +# Licensed under the GPL v2
     1.9 +
    1.10 +CT_READELF="@@CT_READELF@@"
    1.11 +CT_SYSROOT_DIR="@@CT_SYSROOT_DIR@@"
    1.12 +
    1.13 +myname=$(basename "$0")
    1.14 +
    1.15 +doHelp() {
    1.16 +    cat <<_EOF_
    1.17 +$myname [ -f ] < -s source_root > < -d destination_root >
    1.18 +
    1.19 +    -f  force execution: if destination directory already exists,
    1.20 +        it will be removed first.
    1.21 +
    1.22 +    -s dir
    1.23 +        use 'dir' as the un-populated (source) root directory
    1.24 +
    1.25 +    -d dir
    1.26 +        use 'dir' as the place to put the populated root directory
    1.27 +
    1.28 +    -v  Be verbose
    1.29 +_EOF_
    1.30 +}
    1.31 +
    1.32 +CT_FORCE=no
    1.33 +CT_ROOT_SRC_DIR=
    1.34 +CT_ROOT_DST_DIR=
    1.35 +CT_ECHO=true
    1.36 +while getopts ":fs:d:vh" CT_OPT; do
    1.37 +    case "${CT_OPT}" in
    1.38 +        f)  CT_FORCE=yes;;
    1.39 +        s)  CT_ROOT_SRC_DIR="${OPTARG}";;
    1.40 +        d)  CT_ROOT_DST_DIR="${OPTARG}";;
    1.41 +        v)  CT_ECHO=echo;;
    1.42 +        h)  doHelp
    1.43 +            exit 0
    1.44 +            ;;
    1.45 +        :)  echo "$myname: \"-${OPTARG}\" takes exactly one argument."
    1.46 +            exit 1
    1.47 +            ;;
    1.48 +        ?)  echo "$myname: unknown option \"-${OPTARG}\"."
    1.49 +            exit 1
    1.50 +            ;;
    1.51 +    esac
    1.52 +done
    1.53 +
    1.54 +# Sanity checks
    1.55 +if [ -z "${CT_ROOT_SRC_DIR}" -o -z "${CT_ROOT_DST_DIR}" ]; then
    1.56 +    doHelp
    1.57 +    exit 1
    1.58 +fi
    1.59 +if [ ! -d "${CT_ROOT_SRC_DIR}" ]; then
    1.60 +    echo "$myname: \"${CT_ROOT_SRC_DIR}\": no such file or directory"
    1.61 +    exit 1
    1.62 +fi
    1.63 +if [ -d "${CT_ROOT_DST_DIR}" -a "${CT_FORCE}" != "yes" ]; then
    1.64 +    echo "$myname: \"${CT_ROOT_DST_DIR}\": already exists"
    1.65 +    exit 1
    1.66 +fi
    1.67 +src_inode=$(ls -di "${CT_ROOT_SRC_DIR}")
    1.68 +dst_inode=$(ls -di "${CT_ROOT_DST_DIR}" 2>/dev/null)
    1.69 +if [ "${src_inode}" = "${dst_inode}" ]; then
    1.70 +    echo "$myname: source and destination are the same!"
    1.71 +    exit 1
    1.72 +fi
    1.73 +
    1.74 +# Get rid of potentially older destination directory
    1.75 +if [ -d "${CT_ROOT_DST_DIR}" ]; then
    1.76 +    mv "${CT_ROOT_DST_DIR}" "${CT_ROOT_DST_DIR}.$$"
    1.77 +    nohup rm -rf "${CT_ROOT_DST_DIR}.$$" >/dev/null 2>&1 &
    1.78 +fi
    1.79 +
    1.80 +# Create the working copy
    1.81 +mkdir -p "${CT_ROOT_DST_DIR}"
    1.82 +
    1.83 +# Make all path absolute
    1.84 +case "${CT_ROOT_SRC_DIR}" in
    1.85 +    /*) ;;
    1.86 +    *)  CT_ROOT_SRC_DIR=$(cd "${CT_ROOT_SRC_DIR}"; pwd)
    1.87 +esac
    1.88 +case "${CT_ROOT_DST_DIR}" in
    1.89 +    /*) ;;
    1.90 +    *)  CT_ROOT_DST_DIR=$(cd "${CT_ROOT_DST_DIR}"; pwd)
    1.91 +esac
    1.92 +
    1.93 +cd "${CT_ROOT_SRC_DIR}"
    1.94 +tar cf - . |(cd "${CT_ROOT_DST_DIR}"; tar xf -)
    1.95 +
    1.96 +# Parse the working copy for executables and libraries
    1.97 +cd "${CT_ROOT_DST_DIR}"
    1.98 +still_needed=1
    1.99 +while [ ${still_needed} -eq 1 ]; do
   1.100 +    ${CT_ECHO} "Looping..."
   1.101 +    still_needed=0
   1.102 +    for f in $(find . -type f -exec file {} \; |egrep ': ELF [[:digit:]]+-bit .SB (executable|shared object),' |cut -d ":" -f 1); do
   1.103 +        ${CT_ECHO} "Scanning \"${f}\""
   1.104 +        for libname in $("${CT_READELF}" -d "${f}" |egrep '(NEEDED)' |sed -r -e 's,.+\[(.+)\] *$,\1,;'); do
   1.105 +            ${CT_ECHO} "  searching for \"${libname}\""
   1.106 +            if [    -e "${CT_ROOT_DST_DIR}/lib/${libname}"     \
   1.107 +                 -o -e "${CT_ROOT_DST_DIR}/usr/lib/${libname}" ]; then
   1.108 +                ${CT_ECHO} "    already present"
   1.109 +                continue
   1.110 +            fi
   1.111 +            for dir in . usr ..; do
   1.112 +                ${CT_ECHO} -n "    trying in \"${dir}\""
   1.113 +                tgt_dir="${dir}"
   1.114 +                [ "${tgt_dir}" = ".." ] && tgt_dir="usr"
   1.115 +                libfile="${CT_SYSROOT_DIR}/${dir}/lib/${libname}"
   1.116 +                ${CT_ECHO} ": \"${libfile}\""
   1.117 +                if [ -e "${libfile}" ]; then
   1.118 +                    mkdir -p "${CT_ROOT_DST_DIR}/${dir}/lib"
   1.119 +                    ${CT_ECHO} "      installing \"${tgt_dir}/lib/${libname}\""
   1.120 +                    cp "${libfile}" "${CT_ROOT_DST_DIR}/${tgt_dir}/lib/${libname}"
   1.121 +                    still_needed=1
   1.122 +                    break
   1.123 +                fi
   1.124 +            done
   1.125 +        done
   1.126 +    done
   1.127 +done