diff -r 4632c305eb73 -r b46a557b33c9 tools/populate.in --- a/tools/populate.in Thu Dec 11 18:15:41 2008 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,200 +0,0 @@ -#!/bin/bash - -# This script will populate the root directory with libs from the sysroot. -# (C) 2007 Yann E. MORIN -# Licensed under the GPL v2 - -# Detect where the toolchain is: -BIN_DIR="$(cd "$(dirname "$0")"; pwd)" -CT_READELF="${BIN_DIR}/@@CT_TARGET@@-readelf" -CT_SYSROOT_DIR="${BIN_DIR}/../@@CT_TARGET@@/sys-root" - -myname=$(basename "$0") - -doHelp() { - cat <<_EOF_ -NAME - $myname - populate the target root file system - -SYNOPSIS - $myname OPTIONS -s source_root -d destination_root - -DESCRIPTION - $myname will 'populate' your target root file system ('src_dir') with - libraries from the toolchain (eg. libc.so...), storing the result into - 'dst_dir'. - -OPTIONS - -s src_dir - use 'src_dir' as the un-populated (source) root directory - - -d dst_dir - use 'dst_dir' as the place to put the populated root directory - - -l name1[:name2[...]] - Always add the specified shared library/ies name1, name2... from the - toolchain (in the sys-root). Actual library names are searched as - follows (where 'name' is replaced with the given name) in the - sys-root directory: - - libname.so - - name.so - - name - If the file is found, then the SONAME of the library is used, and the - library is copied with that name. If the library was not found, this - yields an error (unless -f was given). - - -L file - Read 'file' for a list of shared libraries to always add from the - toolchain. The file should contain one library name per line; text - after a # is ignored until the end of the line; spaces are ignored; - empty lines are ignored. Libraries are searched for as with -l. - - -f force execution: if destination directory already exists, it will be - removed first; if a specified library (above) was not found, continue. - - -v Be verbose - -_EOF_ -} - -CT_ROOT_SRC_DIR= -CT_ROOT_DST_DIR= -CT_LIB_LIST= -CT_LIB_FILE= -CT_FORCE=no -CT_ECHO=true -while getopts ":s:d:l:L:fvh" CT_OPT; do - case "${CT_OPT}" in - s) CT_ROOT_SRC_DIR="${OPTARG}";; - d) CT_ROOT_DST_DIR="${OPTARG}";; - l) CT_LIB_LIST="${CT_LIB_LIST}:${OPTARG}";; - L) CT_LIB_FILE="${OPTARG}";; - f) CT_FORCE=y;; - v) CT_ECHO=echo;; - h) doHelp - exit 0 - ;; - :) echo "$myname: '-${OPTARG}' takes exactly one argument." - exit 1 - ;; - ?) echo "$myname: unknown option '-${OPTARG}'." - exit 1 - ;; - esac -done - -# Sanity checks -if [ -z "${CT_ROOT_SRC_DIR}" -o -z "${CT_ROOT_DST_DIR}" ]; then - doHelp - exit 1 -fi -if [ ! -d "${CT_ROOT_SRC_DIR}" ]; then - echo "$myname: '${CT_ROOT_SRC_DIR}': no such file or directory" - exit 1 -fi -if [ -d "${CT_ROOT_DST_DIR}" -a "${CT_FORCE}" != "y" ]; then - echo "$myname: '${CT_ROOT_DST_DIR}': already exists" - exit 1 -fi -src_inode=$(ls -di "${CT_ROOT_SRC_DIR}") -dst_inode=$(ls -di "${CT_ROOT_DST_DIR}" 2>/dev/null) -if [ "${src_inode}" = "${dst_inode}" ]; then - echo "$myname: source and destination are the same!" - exit 1 -fi - -# Check existence of the forced libraries file -if [ -n "${CT_LIB_FILE}" -a ! \( -f "${CT_LIB_FILE}" -a -r "${CT_LIB_FILE}" \) ]; then - echo "$myname: forced libraries file '${CT_LIB_FILE}' not found!" - exit 1 -fi - -# Get rid of potentially older destination directory -if [ -d "${CT_ROOT_DST_DIR}" ]; then - mv "${CT_ROOT_DST_DIR}" "${CT_ROOT_DST_DIR}.$$" - setsid nohup rm -rf "${CT_ROOT_DST_DIR}.$$" >/dev/null 2>&1 & -fi - -# Create the working copy -mkdir -p "${CT_ROOT_DST_DIR}" - -# Make all path absolute -CT_ROOT_SRC_DIR=$(cd "${CT_ROOT_SRC_DIR}"; pwd) -CT_ROOT_DST_DIR=$(cd "${CT_ROOT_DST_DIR}"; pwd) - -pushd "${CT_ROOT_SRC_DIR}" >/dev/null -tar cf - . |(cd "${CT_ROOT_DST_DIR}"; tar xf -) -popd >/dev/null - -# A function do search for a library -# Usage: do_add_lib libname -# returns: 0 if library was found and added, !0 otherwise -do_add_lib() { - local libname="$1" - local ret=1 - local true_libname - for dir in . usr; do - ${CT_ECHO} -n " trying in '${dir}'" - libfile="${CT_SYSROOT_DIR}/${dir}/lib/${libname}" - ${CT_ECHO} ": '${libfile}'" - if [ -e "${libfile}" ]; then - mkdir -p "${dir}/lib" - true_libname=$("${CT_READELF}" -d "${libfile}" |egrep "SONAME" |sed -r -e 's,.+\[(.+)\] *$,\1,;') - ${CT_ECHO} " installing as '${dir}/lib/${true_libname}'" - cat "${libfile}" >"${dir}/lib/${true_libname}" - ret=0 - break - fi - done - return ${ret} -} - -# First of, copy the forced libraries into the working copy -if [ -n "${CT_LIB_FILE}" ]; then - lib_list=$(sed -r -e ':loop; s/#.*//; s/[[:space:]]+//g; s/([^:])$/\1:/; /$/N; s/\n//; tloop;' "${CT_LIB_FILE}") - CT_LIB_LIST=$(echo "${CT_LIB_LIST}:${lib_list}" |sed -r -e 's/:+/:/g; s/^:+//; s/:+$//;') -fi -CT_LIB_LIST="${CT_LIB_LIST//:/ }" -${CT_ECHO} "Installing forced libraries..." -pushd "${CT_ROOT_DST_DIR}" >/dev/null -for name in ${CT_LIB_LIST}; do - [ -z "${name}" ] && continue - found=0 - for libname in "lib${name}.so" "${name}.so" "${name}"; do - ${CT_ECHO} " searching for '${libname}'" - if do_add_lib "${libname}"; then - found=1 - break - fi - done - if [ ${found} -eq 0 ]; then - echo "$myname: library '${libname}' not found!" - [ "${CT_FORCE}" = y ] || exit 1 - fi -done -popd >/dev/null - -# Parse the working copy for executables and libraries -pushd "${CT_ROOT_DST_DIR}" >/dev/null -still_needed=1 -while [ ${still_needed} -eq 1 ]; do - ${CT_ECHO} "Looping..." - still_needed=0 - for f in $(find . -type f -exec file {} \; |egrep ': ELF [[:digit:]]+-bit .SB (executable|shared object),' |cut -d ":" -f 1); do - ${CT_ECHO} "Scanning '${f}'" - for libname in $("${CT_READELF}" -d "${f}" |egrep '(NEEDED)' |sed -r -e 's,.+\[(.+)\] *$,\1,;'); do - ${CT_ECHO} " searching for '${libname}'" - if [ -e "lib/${libname}" \ - -o -e "usr/lib/${libname}" ]; then - ${CT_ECHO} " already present" - continue - fi - if do_add_lib "${libname}"; then - still_needed=1 - else - echo "$myname: library '${libname}' not found!" - fi - done - done -done -popd >/dev/null