Mercurial > hg > octave-nkf > gnulib-hg

annotate build-aux/reloc-ldflags @ 17764:2e1bf0ada123

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autoupdate
author Karl Berry <karl@freefriends.org>
date Fri, 26 Sep 2014 09:07:05 -0700
parents 344018b6e5d7
children ab58d4870664
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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20006894dae4 Infrastructure for relocatable installation, from GNU gettext.
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1 #! /bin/sh
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2 # Output a system dependent linker command for putting a relocatable library
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3 # search path into an executable.
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4 #
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5 # Copyright 2003-2014 Free Software Foundation, Inc.
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6 # Written by Bruno Haible <bruno@clisp.org>, 2003.
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7 #
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8 # This program is free software: you can redistribute it and/or modify
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9 # it under the terms of the GNU General Public License as published by
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10 # the Free Software Foundation; either version 3 of the License, or
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11 # (at your option) any later version.
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12 #
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13 # This program is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 # GNU General Public License for more details.
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17 #
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18 # You should have received a copy of the GNU General Public License
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19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 #
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21 # As a special exception to the GNU General Public License, if you
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22 # distribute this file as part of a program that contains a
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23 # configuration script generated by Autoconf, you may include it under
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24 # the same distribution terms that you use for the rest of that program.
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25 #
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26 # The first argument passed to this file is the canonical host specification,
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27 # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
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28 # or
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29 # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
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30 # The environment variable LD should be set by the caller.
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31 #
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32 # The second argument is a colon separated list of directories that contain
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33 # the libraries at installation time.
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34 #
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35 # The third argument is the directory into which the executable is going to be
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36 # installed.
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37
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38 host="$1"
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39 host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
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40 host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
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41 host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
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42
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43 library_path_value=$2
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44
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45 installdir=$3
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46
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47 # Verify that installdir is absolute.
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48 case "$installdir" in
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49 /*) ;;
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50 *)
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51 echo "installdir is not absolute: $installdir" 1>&2
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52 exit 1
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53 ;;
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54 esac
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55
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56 case "$host_os" in
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57 linux* | kfreebsd*)
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58 rpath=
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59 save_IFS="$IFS"; IFS=":"
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60 for dir in $library_path_value; do
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61 IFS="$save_IFS"
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62 case "$dir" in
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63 /*)
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64 # Make dir relative to installdir. (Works only if dir is absolute.)
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65 idir="$installdir"
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66 while true; do
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67 dfirst=`echo "$dir" | sed -n -e 's,^//*\([^/]*\).*$,/\1,p'`
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68 ifirst=`echo "$idir" | sed -n -e 's,^//*\([^/]*\).*$,/\1,p'`
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69 if test -z "$dfirst" || test -z "$ifirst"; then
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70 break
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71 fi
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72 if test "$dfirst" != "$ifirst"; then
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73 break
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74 fi
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75 dir=`echo "$dir" | sed -e 's,^//*[^/]*,,'`
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76 idir=`echo "$idir" | sed -e 's,^//*[^/]*,,'`
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77 done
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78 dir="\$ORIGIN"`echo "$idir" | sed -e 's,//*[^/]*,/..,g'`"$dir"
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79 # Add dir to rpath.
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80 rpath="${rpath}${rpath:+ }$dir"
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81 ;;
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82 *)
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83 if test -n "$dir"; then
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84 echo "libdir is not absolute: $dir" 1>&2
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85 fi
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86 ;;
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87 esac
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88 done
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89 IFS="$save_IFS"
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90 # Output it.
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91 if test -n "$rpath"; then
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92 echo "-Wl,-rpath,$rpath"
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93 fi
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94 ;;
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95 *)
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96 echo "relocation via rpath not supported on this system: $host" 1>&2
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97 exit 1
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98 ;;
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99 esac
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100
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101 exit 0