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[binutils.git] / mkinstalldirs
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1 #! /bin/sh
2 # mkinstalldirs --- make directory hierarchy
4 scriptversion=2005-06-29.22
6 # Original author: Noah Friedman <friedman@prep.ai.mit.edu>
7 # Created: 1993-05-16
8 # Public domain.
10 # This file is maintained in Automake, please report
11 # bugs to <bug-automake@gnu.org> or send patches to
12 # <automake-patches@gnu.org>.
14 errstatus=0
15 dirmode=
17 usage="\
18 Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ...
20 Create each directory DIR (with mode MODE, if specified), including all
21 leading file name components.
23 Report bugs to <bug-automake@gnu.org>."
25 # process command line arguments
26 while test $# -gt 0 ; do
27 case $1 in
28 -h | --help | --h*) # -h for help
29 echo "$usage"
30 exit $?
32 -m) # -m PERM arg
33 shift
34 test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
35 dirmode=$1
36 shift
38 --version)
39 echo "$0 $scriptversion"
40 exit $?
42 --) # stop option processing
43 shift
44 break
46 -*) # unknown option
47 echo "$usage" 1>&2
48 exit 1
50 *) # first non-opt arg
51 break
53 esac
54 done
56 for file
58 if test -d "$file"; then
59 shift
60 else
61 break
63 done
65 case $# in
66 0) exit 0 ;;
67 esac
69 # Solaris 8's mkdir -p isn't thread-safe. If you mkdir -p a/b and
70 # mkdir -p a/c at the same time, both will detect that a is missing,
71 # one will create a, then the other will try to create a and die with
72 # a "File exists" error. This is a problem when calling mkinstalldirs
73 # from a parallel make. We use --version in the probe to restrict
74 # ourselves to GNU mkdir, which is thread-safe.
75 case $dirmode in
76 '')
77 if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
78 echo "mkdir -p -- $*"
79 exec mkdir -p -- "$@"
80 else
81 # On NextStep and OpenStep, the `mkdir' command does not
82 # recognize any option. It will interpret all options as
83 # directories to create, and then abort because `.' already
84 # exists.
85 test -d ./-p && rmdir ./-p
86 test -d ./--version && rmdir ./--version
90 if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 &&
91 test ! -d ./--version; then
92 echo "mkdir -m $dirmode -p -- $*"
93 exec mkdir -m "$dirmode" -p -- "$@"
94 else
95 # Clean up after NextStep and OpenStep mkdir.
96 for d in ./-m ./-p ./--version "./$dirmode";
98 test -d $d && rmdir $d
99 done
102 esac
104 for file
106 case $file in
107 /*) pathcomp=/ ;;
108 *) pathcomp= ;;
109 esac
110 oIFS=$IFS
111 IFS=/
112 set fnord $file
113 shift
114 IFS=$oIFS
116 for d
118 test "x$d" = x && continue
120 pathcomp=$pathcomp$d
121 case $pathcomp in
122 -*) pathcomp=./$pathcomp ;;
123 esac
125 if test ! -d "$pathcomp"; then
126 echo "mkdir $pathcomp"
128 mkdir "$pathcomp" || lasterr=$?
130 if test ! -d "$pathcomp"; then
131 errstatus=$lasterr
132 else
133 if test ! -z "$dirmode"; then
134 echo "chmod $dirmode $pathcomp"
135 lasterr=
136 chmod "$dirmode" "$pathcomp" || lasterr=$?
138 if test ! -z "$lasterr"; then
139 errstatus=$lasterr
145 pathcomp=$pathcomp/
146 done
147 done
149 exit $errstatus
151 # Local Variables:
152 # mode: shell-script
153 # sh-indentation: 2
154 # eval: (add-hook 'write-file-hooks 'time-stamp)
155 # time-stamp-start: "scriptversion="
156 # time-stamp-format: "%:y-%02m-%02d.%02H"
157 # time-stamp-end: "$"
158 # End: