nexmon – Blame information for rev 1

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1 office 1 #! /bin/sh
2 # Output a system dependent linker command for putting a relocatable library
3 # search path into an executable.
4 #
5 # Copyright 2003-2016 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 <http://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: $installdir" 1>&2
52 exit 1
53 ;;
54 esac
55  
56 case "$host_os" in
57 linux* | kfreebsd*)
58 rpath=
59 save_IFS="$IFS"; IFS=":"
60 for dir in $library_path_value; do
61 IFS="$save_IFS"
62 case "$dir" in
63 /*)
64 # Make dir relative to installdir. (Works only if dir is absolute.)
65 idir="$installdir"
66 while true; do
67 dfirst=`echo "$dir" | sed -n -e 's,^//*\([^/]*\).*$,/\1,p'`
68 ifirst=`echo "$idir" | sed -n -e 's,^//*\([^/]*\).*$,/\1,p'`
69 if test -z "$dfirst" || test -z "$ifirst"; then
70 break
71 fi
72 if test "$dfirst" != "$ifirst"; then
73 break
74 fi
75 dir=`echo "$dir" | sed -e 's,^//*[^/]*,,'`
76 idir=`echo "$idir" | sed -e 's,^//*[^/]*,,'`
77 done
78 dir="\$ORIGIN"`echo "$idir" | sed -e 's,//*[^/]*,/..,g'`"$dir"
79 # Add dir to rpath.
80 rpath="${rpath}${rpath:+ }$dir"
81 ;;
82 *)
83 if test -n "$dir"; then
84 echo "libdir is not absolute: $dir" 1>&2
85 fi
86 ;;
87 esac
88 done
89 IFS="$save_IFS"
90 # Output it.
91 if test -n "$rpath"; then
92 echo "-Wl,-rpath,$rpath"
93 fi
94 ;;
95 *)
96 echo "relocation via rpath not supported on this system: $host" 1>&2
97 exit 1
98 ;;
99 esac
100  
101 exit 0