101 lines
2.4 KiB
Bash
101 lines
2.4 KiB
Bash
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#!/bin/sh
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# Copyright (c) 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Reads etc/ld.so.conf and/or etc/ld.so.conf.d/*.conf and returns the
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# appropriate linker flags.
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#
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# sysroot_ld_path.sh /abspath/to/sysroot
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#
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log_error_and_exit() {
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echo $0: $@
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exit 1
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}
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process_entry() {
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if [ -z "$1" ] || [ -z "$2" ]; then
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log_error_and_exit "bad arguments to process_entry()"
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fi
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local root="$1"
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local localpath="$2"
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echo $localpath | grep -qs '^/'
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if [ $? -ne 0 ]; then
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log_error_and_exit $localpath does not start with /
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fi
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local entry="$root$localpath"
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echo -L$entry
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echo -Wl,-rpath-link=$entry
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}
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process_ld_so_conf() {
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if [ -z "$1" ] || [ -z "$2" ]; then
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log_error_and_exit "bad arguments to process_ld_so_conf()"
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fi
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local root="$1"
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local ld_so_conf="$2"
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# ld.so.conf may include relative include paths. pushd is a bashism.
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local saved_pwd=$(pwd)
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cd $(dirname "$ld_so_conf")
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cat "$ld_so_conf" | \
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while read ENTRY; do
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echo "$ENTRY" | grep -qs ^include
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if [ $? -eq 0 ]; then
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local included_files=$(echo "$ENTRY" | sed 's/^include //')
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echo "$included_files" | grep -qs ^/
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if [ $? -eq 0 ]; then
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if ls $root$included_files >/dev/null 2>&1 ; then
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for inc_file in $root$included_files; do
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process_ld_so_conf "$root" "$inc_file"
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done
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fi
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else
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if ls $(pwd)/$included_files >/dev/null 2>&1 ; then
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for inc_file in $(pwd)/$included_files; do
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process_ld_so_conf "$root" "$inc_file"
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done
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fi
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fi
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continue
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fi
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echo "$ENTRY" | grep -qs ^/
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if [ $? -eq 0 ]; then
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process_entry "$root" "$ENTRY"
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fi
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done
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# popd is a bashism
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cd "$saved_pwd"
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}
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# Main
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if [ $# -ne 1 ]; then
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echo Usage $0 /abspath/to/sysroot
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exit 1
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fi
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echo $1 | grep -qs ' '
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if [ $? -eq 0 ]; then
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log_error_and_exit $1 contains whitespace.
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fi
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LD_SO_CONF="$1/etc/ld.so.conf"
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LD_SO_CONF_D="$1/etc/ld.so.conf.d"
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if [ -e "$LD_SO_CONF" ]; then
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process_ld_so_conf "$1" "$LD_SO_CONF" | xargs echo
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elif [ -e "$LD_SO_CONF_D" ]; then
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find "$LD_SO_CONF_D" -maxdepth 1 -name '*.conf' -print -quit > /dev/null
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if [ $? -eq 0 ]; then
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for entry in $LD_SO_CONF_D/*.conf; do
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process_ld_so_conf "$1" "$entry"
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done | xargs echo
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fi
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fi
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