| #! /bin/sh |
| # Output a system dependent linker command for putting a relocatable library |
| # search path into an executable. |
| # |
| # Copyright 2003 Free Software Foundation, Inc. |
| # Written by Bruno Haible <bruno@clisp.org>, 2003. |
| # |
| # This program is free software: you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| # |
| # As a special exception to the GNU General Public License, if you |
| # distribute this file as part of a program that contains a |
| # configuration script generated by Autoconf, you may include it under |
| # the same distribution terms that you use for the rest of that program. |
| # |
| # The first argument passed to this file is the canonical host specification, |
| # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM |
| # or |
| # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM |
| # The environment variable LD should be set by the caller. |
| # |
| # The second argument is a colon separated list of directories that contain |
| # the libraries at installation time. |
| # |
| # The third argument is the directory into which the executable is going to be |
| # installed. |
| |
| host="$1" |
| host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` |
| host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` |
| host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` |
| |
| library_path_value=$2 |
| |
| installdir=$3 |
| |
| # Verify that installdir is absolute. |
| case "$installdir" in |
| /*) ;; |
| *) |
| echo "installdir is not absolute: $installdir" 1>&2 |
| exit 1 |
| ;; |
| esac |
| |
| case "$host_os" in |
| linux*) # Supported since Linux 2.1 and glibc 2.1. |
| rpath= |
| save_IFS="$IFS"; IFS=":" |
| for dir in $library_path_value; do |
| IFS="$save_IFS" |
| case "$dir" in |
| /*) |
| # Make dir relative to installdir. (Works only if dir is absolute.) |
| idir="$installdir" |
| while true; do |
| dfirst=`echo "$dir" | sed -n -e 's,^//*\([^/]*\).*$,/\1,p'` |
| ifirst=`echo "$idir" | sed -n -e 's,^//*\([^/]*\).*$,/\1,p'` |
| if test -z "$dfirst" || test -z "$ifirst"; then |
| break |
| fi |
| if test "$dfirst" != "$ifirst"; then |
| break |
| fi |
| dir=`echo "$dir" | sed -e 's,^//*[^/]*,,'` |
| idir=`echo "$idir" | sed -e 's,^//*[^/]*,,'` |
| done |
| dir="\$ORIGIN"`echo "$idir" | sed -e 's,//*[^/]*,/..,g'`"$dir" |
| # Add dir to rpath. |
| rpath="${rpath}${rpath:+ }$dir" |
| ;; |
| *) |
| if test -n "$dir"; then |
| echo "libdir is not absolute: $dir" 1>&2 |
| fi |
| ;; |
| esac |
| done |
| IFS="$save_IFS" |
| # Output it. |
| if test -n "$rpath"; then |
| echo "-Wl,-rpath,$rpath" |
| fi |
| ;; |
| *) |
| echo "relocation via rpath not supported on this system: $host" 1>&2 |
| exit 1 |
| ;; |
| esac |
| |
| exit 0 |