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101 lines
3.2 KiB
101 lines
3.2 KiB
#! /bin/sh |
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# Output a system dependent linker command for putting a relocatable library |
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# search path into an executable. |
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# |
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# Copyright 2003-2017 Free Software Foundation, Inc. |
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# Written by Bruno Haible <bruno@clisp.org>, 2003. |
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# |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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# |
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# As a special exception to the GNU General Public License, if you |
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# distribute this file as part of a program that contains a |
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# configuration script generated by Autoconf, you may include it under |
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# the same distribution terms that you use for the rest of that program. |
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# |
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# The first argument passed to this file is the canonical host specification, |
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# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM |
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# or |
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# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM |
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# The environment variable LD should be set by the caller. |
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# |
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# The second argument is a colon separated list of directories that contain |
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# the libraries at installation time. |
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# |
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# The third argument is the directory into which the executable is going to be |
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# installed. |
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host="$1" |
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host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` |
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host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` |
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host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` |
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library_path_value=$2 |
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installdir=$3 |
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# Verify that installdir is absolute. |
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case "$installdir" in |
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/*) ;; |
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*) |
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echo "installdir is not absolute: $installdir" 1>&2 |
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exit 1 |
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;; |
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esac |
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case "$host_os" in |
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linux* | kfreebsd*) |
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rpath= |
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save_IFS="$IFS"; IFS=":" |
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for dir in $library_path_value; do |
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IFS="$save_IFS" |
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case "$dir" in |
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/*) |
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# Make dir relative to installdir. (Works only if dir is absolute.) |
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idir="$installdir" |
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while true; do |
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dfirst=`echo "$dir" | sed -n -e 's,^//*\([^/]*\).*$,/\1,p'` |
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ifirst=`echo "$idir" | sed -n -e 's,^//*\([^/]*\).*$,/\1,p'` |
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if test -z "$dfirst" || test -z "$ifirst"; then |
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break |
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fi |
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if test "$dfirst" != "$ifirst"; then |
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break |
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fi |
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dir=`echo "$dir" | sed -e 's,^//*[^/]*,,'` |
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idir=`echo "$idir" | sed -e 's,^//*[^/]*,,'` |
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done |
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dir="\$ORIGIN"`echo "$idir" | sed -e 's,//*[^/]*,/..,g'`"$dir" |
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# Add dir to rpath. |
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rpath="${rpath}${rpath:+ }$dir" |
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;; |
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*) |
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if test -n "$dir"; then |
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echo "libdir is not absolute: $dir" 1>&2 |
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fi |
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;; |
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esac |
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done |
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IFS="$save_IFS" |
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# Output it. |
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if test -n "$rpath"; then |
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echo "-Wl,-rpath,$rpath" |
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fi |
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;; |
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*) |
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echo "relocation via rpath not supported on this system: $host" 1>&2 |
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exit 1 |
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;; |
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esac |
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exit 0
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