tools/mtd-utils: avoid linking libm statically
[openwrt/openwrt.git] / scripts / bundle-libraries.sh
1 #!/usr/bin/env bash
2 #
3 # Script to install host system binaries along with required libraries.
4 #
5 # Copyright (C) 2012-2013 Jo-Philipp Wich <jow@openwrt.org>
6 #
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
11 #
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
16 #
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20
21 DIR="$1"; shift
22
23 _cp() {
24 cp ${VERBOSE:+-v} -L "$1" "$2" || {
25 echo "cp($1 $2) failed" >&2
26 exit 1
27 }
28 }
29
30 _md() {
31 mkdir ${VERBOSE:+-v} -p "$1" || {
32 echo "mkdir($1) failed" >&2
33 exit 2
34 }
35 }
36
37 _ln() {
38 ln ${VERBOSE:+-v} -sf "$1" "$2" || {
39 echo "ln($1 $2) failed" >&2
40 exit 3
41 }
42 }
43
44 for LDD in ${PATH//://ldd }/ldd; do
45 "$LDD" --version >/dev/null 2>/dev/null && break
46 LDD=""
47 done
48
49 [ -n "$LDD" -a -x "$LDD" ] || LDD=
50
51 for BIN in "$@"; do
52 [ -n "$BIN" -a -x "$BIN" -a -n "$DIR" ] || {
53 echo "Usage: $0 <destdir> <executable> ..." >&2
54 exit 1
55 }
56
57 [ ! -d "$DIR/bundled/lib" ] && {
58 _md "$DIR/bundled/lib"
59 _md "$DIR/bundled/usr"
60 _ln "../lib" "$DIR/bundled/usr/lib"
61 }
62
63 LDSO=""
64
65 echo "Bundling ${BIN##*/}"
66 [ -n "$LDD" ] && {
67 for token in $("$LDD" "$BIN" 2>/dev/null); do
68 case "$token" in */*.so*)
69 case "$token" in
70 *ld-*.so*) LDSO="${token##*/}" ;;
71 *) echo " * lib: ${token##*/}" ;;
72 esac
73
74 dest="$DIR/bundled/lib/${token##*/}"
75 ddir="${dest%/*}"
76
77 [ -f "$token" -a ! -f "$dest" ] && {
78 _md "$ddir"
79 _cp "$token" "$dest"
80 }
81 ;; esac
82 done
83 }
84
85 _md "$DIR"
86
87 # is a dynamically linked executable
88 if [ -n "$LDSO" ]; then
89 _cp "$BIN" "$DIR/bundled/${BIN##*/}"
90
91 RUN="${LDSO#ld-}"; RUN="run-${RUN%%.so*}.sh"
92
93 [ -x "$DIR/bundled/$RUN" ] || {
94 cat <<-EOF > "$DIR/bundled/$RUN"
95 #!/usr/bin/env bash
96 dir="\$(dirname "\$0")"
97 bin="\$(basename "\$0")"
98 exec -a "\$0" "\$dir/bundled/lib/$LDSO" --library-path "\$dir/bundled/lib" "\$dir/bundled/\$bin" "\$@"
99 EOF
100 chmod ${VERBOSE:+-v} 0755 "$DIR/bundled/$RUN"
101 }
102
103 _ln "./bundled/$RUN" "$DIR/${BIN##*/}"
104
105 # is a static executable or non-elf binary
106 else
107 [ -n "$LDD" ] && echo " * not dynamically linked"
108 _cp "$BIN" "$DIR/${BIN##*/}"
109 fi
110 done