Edit
thodg/libiconv/autoconf
Bruno Haible
- reloc-ldflags
-
#! /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 2 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, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # # 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