yann@217: #!/bin/bash
yann@217: 
yann@217: # This script will populate the root directory with libs from the sysroot.
yann@217: # (C) 2007 Yann E. MORIN
yann@217: # Licensed under the GPL v2
yann@217: 
yann@217: CT_READELF="@@CT_READELF@@"
yann@217: CT_SYSROOT_DIR="@@CT_SYSROOT_DIR@@"
yann@217: 
yann@217: myname=$(basename "$0")
yann@217: 
yann@217: doHelp() {
yann@217:     cat <<_EOF_
yann@253: $myname [-f] [-v] -s source_root -d destination_root
yann@217: 
yann@217:     -s dir
yann@217:         use 'dir' as the un-populated (source) root directory
yann@217: 
yann@217:     -d dir
yann@217:         use 'dir' as the place to put the populated root directory
yann@217: 
yann@258:     -f  force execution: if destination directory already exists,
yann@258:         it will be removed first.
yann@258: 
yann@217:     -v  Be verbose
yann@217: _EOF_
yann@217: }
yann@217: 
yann@217: CT_ROOT_SRC_DIR=
yann@217: CT_ROOT_DST_DIR=
yann@259: CT_FORCE=no
yann@217: CT_ECHO=true
yann@259: while getopts ":s:d:fvh" CT_OPT; do
yann@217:     case "${CT_OPT}" in
yann@217:         s)  CT_ROOT_SRC_DIR="${OPTARG}";;
yann@217:         d)  CT_ROOT_DST_DIR="${OPTARG}";;
yann@259:         f)  CT_FORCE=y;;
yann@217:         v)  CT_ECHO=echo;;
yann@217:         h)  doHelp
yann@217:             exit 0
yann@217:             ;;
yann@217:         :)  echo "$myname: \"-${OPTARG}\" takes exactly one argument."
yann@217:             exit 1
yann@217:             ;;
yann@217:         ?)  echo "$myname: unknown option \"-${OPTARG}\"."
yann@217:             exit 1
yann@217:             ;;
yann@217:     esac
yann@217: done
yann@217: 
yann@217: # Sanity checks
yann@217: if [ -z "${CT_ROOT_SRC_DIR}" -o -z "${CT_ROOT_DST_DIR}" ]; then
yann@217:     doHelp
yann@217:     exit 1
yann@217: fi
yann@217: if [ ! -d "${CT_ROOT_SRC_DIR}" ]; then
yann@217:     echo "$myname: \"${CT_ROOT_SRC_DIR}\": no such file or directory"
yann@217:     exit 1
yann@217: fi
yann@259: if [ -d "${CT_ROOT_DST_DIR}" -a "${CT_FORCE}" != "y" ]; then
yann@217:     echo "$myname: \"${CT_ROOT_DST_DIR}\": already exists"
yann@217:     exit 1
yann@217: fi
yann@217: src_inode=$(ls -di "${CT_ROOT_SRC_DIR}")
yann@217: dst_inode=$(ls -di "${CT_ROOT_DST_DIR}" 2>/dev/null)
yann@217: if [ "${src_inode}" = "${dst_inode}" ]; then
yann@217:     echo "$myname: source and destination are the same!"
yann@217:     exit 1
yann@217: fi
yann@217: 
yann@217: # Get rid of potentially older destination directory
yann@217: if [ -d "${CT_ROOT_DST_DIR}" ]; then
yann@217:     mv "${CT_ROOT_DST_DIR}" "${CT_ROOT_DST_DIR}.$$"
yann@320:     setsid nohup rm -rf "${CT_ROOT_DST_DIR}.$$" >/dev/null 2>&1 &
yann@217: fi
yann@217: 
yann@217: # Create the working copy
yann@217: mkdir -p "${CT_ROOT_DST_DIR}"
yann@217: 
yann@217: # Make all path absolute
yann@253: CT_ROOT_SRC_DIR=$(cd "${CT_ROOT_SRC_DIR}"; pwd)
yann@253: CT_ROOT_DST_DIR=$(cd "${CT_ROOT_DST_DIR}"; pwd)
yann@217: 
yann@217: cd "${CT_ROOT_SRC_DIR}"
yann@217: tar cf - . |(cd "${CT_ROOT_DST_DIR}"; tar xf -)
yann@217: 
yann@217: # Parse the working copy for executables and libraries
yann@217: cd "${CT_ROOT_DST_DIR}"
yann@217: still_needed=1
yann@217: while [ ${still_needed} -eq 1 ]; do
yann@217:     ${CT_ECHO} "Looping..."
yann@217:     still_needed=0
yann@217:     for f in $(find . -type f -exec file {} \; |egrep ': ELF [[:digit:]]+-bit .SB (executable|shared object),' |cut -d ":" -f 1); do
yann@217:         ${CT_ECHO} "Scanning \"${f}\""
yann@217:         for libname in $("${CT_READELF}" -d "${f}" |egrep '(NEEDED)' |sed -r -e 's,.+\[(.+)\] *$,\1,;'); do
yann@217:             ${CT_ECHO} "  searching for \"${libname}\""
yann@259:             if [    -e "lib/${libname}"     \
yann@259:                  -o -e "usr/lib/${libname}" ]; then
yann@217:                 ${CT_ECHO} "    already present"
yann@217:                 continue
yann@217:             fi
yann@253:             # Need to scan .. for libgcc_s et al.
yann@217:             for dir in . usr ..; do
yann@217:                 ${CT_ECHO} -n "    trying in \"${dir}\""
yann@217:                 tgt_dir="${dir}"
yann@217:                 [ "${tgt_dir}" = ".." ] && tgt_dir="usr"
yann@217:                 libfile="${CT_SYSROOT_DIR}/${dir}/lib/${libname}"
yann@217:                 ${CT_ECHO} ": \"${libfile}\""
yann@217:                 if [ -e "${libfile}" ]; then
yann@259:                     mkdir -p "${dir}/lib"
yann@217:                     ${CT_ECHO} "      installing \"${tgt_dir}/lib/${libname}\""
yann@259:                     cp "${libfile}" "${tgt_dir}/lib/${libname}"
yann@217:                     still_needed=1
yann@217:                     break
yann@217:                 fi
yann@217:             done
yann@217:         done
yann@217:     done
yann@217: done