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libiconv 1.16

    1: #! /bin/sh
    2: # Output a system dependent linker command for putting a relocatable library
    3: # search path into an executable.
    4: #
    5: #   Copyright 2003-2019 Free Software Foundation, Inc.
    6: #   Written by Bruno Haible <bruno@clisp.org>, 2003.
    7: #
    8: #   This program is free software: you can redistribute it and/or modify
    9: #   it under the terms of the GNU General Public License as published by
   10: #   the Free Software Foundation; either version 3 of the License, or
   11: #   (at your option) any later version.
   12: #
   13: #   This program is distributed in the hope that it will be useful,
   14: #   but WITHOUT ANY WARRANTY; without even the implied warranty of
   15: #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   16: #   GNU General Public License for more details.
   17: #
   18: #   You should have received a copy of the GNU General Public License
   19: #   along with this program.  If not, see <https://www.gnu.org/licenses/>.
   20: #
   21: #   As a special exception to the GNU General Public License, if you
   22: #   distribute this file as part of a program that contains a
   23: #   configuration script generated by Autoconf, you may include it under
   24: #   the same distribution terms that you use for the rest of that program.
   25: #
   26: # The first argument passed to this file is the canonical host specification,
   27: #    CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
   28: # or
   29: #    CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
   30: # The environment variable LD should be set by the caller.
   31: #
   32: # The second argument is a colon separated list of directories that contain
   33: # the libraries at installation time.
   34: #
   35: # The third argument is the directory into which the executable is going to be
   36: # installed.
   37: 
   38: host="$1"
   39: host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
   40: host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
   41: host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
   42: 
   43: library_path_value=$2
   44: 
   45: installdir=$3
   46: 
   47: # Verify that installdir is absolute.
   48: case "$installdir" in
   49:   /*) ;;
   50:   *)
   51:     echo "installdir is not absolute: $installdir" 1>&2
   52:     exit 1
   53:     ;;
   54: esac
   55: 
   56: origin_token=
   57: case "$host_os" in
   58:   linux* | gnu* | kfreebsd* | \
   59:   freebsd* | dragonfly* | \
   60:   netbsd* | \
   61:   openbsd* | \
   62:   solaris* | \
   63:   haiku*)
   64:     origin_token='$ORIGIN'
   65:     ;;
   66:   darwin*)
   67:     origin_token='@loader_path'
   68:     ;;
   69: esac
   70: if test -n "$origin_token"; then
   71:   rpath=
   72:   save_IFS="$IFS"; IFS=":"
   73:   for dir in $library_path_value; do
   74:     IFS="$save_IFS"
   75:     case "$dir" in
   76:       /*)
   77:         # Make dir relative to installdir. (Works only if dir is absolute.)
   78:         idir="$installdir"
   79:         while true; do
   80:           dfirst=`echo "$dir" | sed -n -e 's,^//*\([^/]*\).*$,/\1,p'`
   81:           ifirst=`echo "$idir" | sed -n -e 's,^//*\([^/]*\).*$,/\1,p'`
   82:           if test -z "$dfirst" || test -z "$ifirst"; then
   83:             break
   84:           fi
   85:           if test "$dfirst" != "$ifirst"; then
   86:             break
   87:           fi
   88:           dir=`echo "$dir" | sed -e 's,^//*[^/]*,,'`
   89:           idir=`echo "$idir" | sed -e 's,^//*[^/]*,,'`
   90:         done
   91:         dir="$origin_token"`echo "$idir" | sed -e 's,//*[^/]*,/..,g'`"$dir"
   92:         # Add dir to rpath.
   93:         rpath="${rpath}${rpath:+ }$dir"
   94:         ;;
   95:       *)
   96:         if test -n "$dir"; then
   97:           echo "libdir is not absolute: $dir" 1>&2
   98:         fi
   99:         ;;
  100:     esac
  101:   done
  102:   IFS="$save_IFS"
  103:   # Output it.
  104:   if test -n "$rpath"; then
  105:     case "$host_os" in
  106:       # At least some versions of FreeBSD, DragonFly, and OpenBSD need the
  107:       # linker option "-z origin". See <https://lekensteyn.nl/rpath.html>.
  108:       freebsd* | dragonfly* | openbsd*)
  109:         echo "-Wl,-z,origin -Wl,-rpath,$rpath" ;;
  110:       *)
  111:         echo "-Wl,-rpath,$rpath" ;;
  112:     esac
  113:   fi
  114: else
  115:   echo "relocation via rpath not supported on this system: $host" 1>&2
  116:   exit 1
  117: fi
  118: 
  119: exit 0