build-aux/config.libpath

   1 #! /bin/sh
   2 # Output a system dependent set of variables, describing how to set the
   3 # run time search path of shared libraries in an executable at run time.
   4 #
   5 #   Copyright 1996-2024 Free Software Foundation, Inc.
   6 #   Taken from GNU libtool, 2003
   7 #   Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
   8 #
   9 #   This program is free software: you can redistribute it and/or modify
  10 #   it under the terms of the GNU General Public License as published by
  11 #   the Free Software Foundation, either version 3 of the License, or
  12 #   (at your option) any later version.
  13 #
  14 #   This program is distributed in the hope that it will be useful,
  15 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 #   GNU General Public License for more details.
  18 #
  19 #   You should have received a copy of the GNU General Public License
  20 #   along with this program.  If not, see <https://www.gnu.org/licenses/>.
  21 #
  22 #   As a special exception to the GNU General Public License, if you
  23 #   distribute this file as part of a program that contains a
  24 #   configuration script generated by Autoconf, you may include it under
  25 #   the same distribution terms that you use for the rest of that program.
  26
  27 # func_usage
  28 # outputs to stdout the --help usage message.
  29 func_usage ()
  30 {
  31   echo "\
  32 Usage: config.libpath [OPTION] HOST
  33
  34 Prints shell variable assignments that describe how to set the
  35 run time search path of shared libraries in an executable at run time.
  36
  37 The first argument passed to this file is the canonical host specification,
  38    CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
  39 or
  40    CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
  41
  42 The environment variable LD should be set by the caller.
  43
  44 The set of defined variables is at the end of this script.
  45
  46 Options:
  47       --help           print this help and exit
  48       --version        print version information and exit
  49
  50 Send patches and bug reports to <bug-gnulib@gnu.org>."
  51 }
  52
  53 # func_version
  54 # outputs to stdout the --version message.
  55 func_version ()
  56 {
  57   echo "config.libpath (GNU gnulib, module relocatable-prog)"
  58   echo "Copyright (C) 2024 Free Software Foundation, Inc.
  59 License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>
  60 This is free software: you are free to change and redistribute it.
  61 There is NO WARRANTY, to the extent permitted by law."
  62   echo
  63   printf 'Written by %s.\n' "Bruno Haible"
  64 }
  65
  66 # func_fatal_error message
  67 # outputs to stderr a fatal error message, and terminates the program.
  68 func_fatal_error ()
  69 {
  70   echo "config.libpath: *** $1" 1>&2
  71   echo "config.libpath: *** Stop." 1>&2
  72   exit 1
  73 }
  74
  75 # Command-line option processing.
  76 while test $# -gt 0; do
  77   case "$1" in
  78     --help | --hel | --he | --h )
  79       func_usage
  80       exit 0 ;;
  81    --version | --versio | --versi | --vers | --ver | --ve | --v )
  82       func_version
  83       exit 0 ;;
  84     -- )      # Stop option processing
  85       shift; break ;;
  86     -* )
  87       func_fatal_error "unrecognized option: $1"
  88       ;;
  89     * )
  90       break ;;
  91   esac
  92 done
  93
  94 if test $# -gt 1; then
  95   func_fatal_error "too many arguments"
  96 fi
  97 if test $# -lt 1; then
  98   func_fatal_error "too few arguments"
  99 fi
 100
 101 host="$1"
 102 host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 103 host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 104 host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 105
 106 shlibpath_var=
 107 case $host_os in
 108   aix3*)
 109     shlibpath_var=LIBPATH
 110     ;;
 111   aix[4-9]*)
 112     if test "$host_cpu" = ia64; then
 113       # AIX 5 supports IA64
 114       shlibpath_var=LD_LIBRARY_PATH
 115     else
 116       shlibpath_var=LIBPATH
 117     fi
 118     ;;
 119   beos*)
 120     shlibpath_var=LIBRARY_PATH
 121     ;;
 122   bsdi[45]*)
 123     shlibpath_var=LD_LIBRARY_PATH
 124     ;;
 125   cygwin* | mingw* | pw32* | cegcc*)
 126     # FIXME: first we should search . and the directory the executable is in
 127     shlibpath_var=PATH
 128     ;;
 129   darwin* | rhapsody*)
 130     shlibpath_var=DYLD_LIBRARY_PATH
 131     ;;
 132   dgux*)
 133     shlibpath_var=LD_LIBRARY_PATH
 134     ;;
 135   freebsd* | dragonfly* | midnightbsd*)
 136     shlibpath_var=LD_LIBRARY_PATH
 137     ;;
 138   gnu*)
 139     shlibpath_var=LD_LIBRARY_PATH
 140     ;;
 141   hpux9* | hpux10* | hpux11*)
 142     case "$host_cpu" in
 143       ia64* | hppa*64*) shlibpath_var=LD_LIBRARY_PATH ;;
 144       *) shlibpath_var=SHLIB_PATH ;;
 145     esac
 146     ;;
 147   interix[3-9]*)
 148     shlibpath_var=LD_LIBRARY_PATH
 149     ;;
 150   irix5* | irix6* | nonstopux*)
 151     case $host_os in
 152       irix5* | nonstopux*)
 153         shlibsuff=
 154         ;;
 155       *)
 156         case $LD in # libtool.m4 will add one of these switches to LD
 157           *-32|*"-32 ") shlibsuff= ;;
 158           *-n32|*"-n32 ") shlibsuff=N32 ;;
 159           *-64|*"-64 ") shlibsuff=64 ;;
 160           *) shlibsuff= ;;
 161         esac
 162         ;;
 163     esac
 164     shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
 165     ;;
 166   linux*oldld* | linux*aout* | linux*coff*)
 167     ;;
 168   linux* | k*bsd*-gnu)
 169     shlibpath_var=LD_LIBRARY_PATH
 170     ;;
 171   netbsd*)
 172     shlibpath_var=LD_LIBRARY_PATH
 173     ;;
 174   newsos6)
 175     shlibpath_var=LD_LIBRARY_PATH
 176     ;;
 177   nto-qnx*)
 178     shlibpath_var=LD_LIBRARY_PATH
 179     ;;
 180   openbsd*)
 181     shlibpath_var=LD_LIBRARY_PATH
 182     ;;
 183   os2*)
 184     shlibpath_var=LIBPATH
 185     ;;
 186   osf3* | osf4* | osf5*)
 187     shlibpath_var=LD_LIBRARY_PATH
 188     ;;
 189   rdos*)
 190     ;;
 191   solaris*)
 192     shlibpath_var=LD_LIBRARY_PATH
 193     ;;
 194   sunos4*)
 195     shlibpath_var=LD_LIBRARY_PATH
 196     ;;
 197   sysv4 | sysv4.3*)
 198     shlibpath_var=LD_LIBRARY_PATH
 199     ;;
 200   sysv4*MP*)
 201     if test -d /usr/nec ;then
 202       shlibpath_var=LD_LIBRARY_PATH
 203     fi
 204     ;;
 205   sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
 206     shlibpath_var=LD_LIBRARY_PATH
 207     ;;
 208   uts4*)
 209     shlibpath_var=LD_LIBRARY_PATH
 210     ;;
 211 esac
 212
 213 LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
 214
 215 # This is the shared library path variable.
 216 shlibpath_var=$shlibpath_var
 217
 218 EOF