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comparison ext/libpng-1.2.29/mkinstalldirs @ 0:4a0efb7baf70

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* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
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-1:000000000000 0:4a0efb7baf70
1 #! /bin/sh
2 # mkinstalldirs --- make directory hierarchy
3
4 scriptversion=2006-05-11.19
5
6 # Original author: Noah Friedman <friedman@prep.ai.mit.edu>
7 # Created: 1993-05-16
8 # Public domain.
9 #
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>.
13
14 nl='
15 '
16 IFS=" "" $nl"
17 errstatus=0
18 dirmode=
19
20 usage="\
21 Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ...
22
23 Create each directory DIR (with mode MODE, if specified), including all
24 leading file name components.
25
26 Report bugs to <bug-automake@gnu.org>."
27
28 # process command line arguments
29 while test $# -gt 0 ; do
30 case $1 in
31 -h | --help | --h*) # -h for help
32 echo "$usage"
33 exit $?
34 ;;
35 -m) # -m PERM arg
36 shift
37 test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
38 dirmode=$1
39 shift
40 ;;
41 --version)
42 echo "$0 $scriptversion"
43 exit $?
44 ;;
45 --) # stop option processing
46 shift
47 break
48 ;;
49 -*) # unknown option
50 echo "$usage" 1>&2
51 exit 1
52 ;;
53 *) # first non-opt arg
54 break
55 ;;
56 esac
57 done
58
59 for file
60 do
61 if test -d "$file"; then
62 shift
63 else
64 break
65 fi
66 done
67
68 case $# in
69 0) exit 0 ;;
70 esac
71
72 # Solaris 8's mkdir -p isn't thread-safe. If you mkdir -p a/b and
73 # mkdir -p a/c at the same time, both will detect that a is missing,
74 # one will create a, then the other will try to create a and die with
75 # a "File exists" error. This is a problem when calling mkinstalldirs
76 # from a parallel make. We use --version in the probe to restrict
77 # ourselves to GNU mkdir, which is thread-safe.
78 case $dirmode in
79 '')
80 if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
81 echo "mkdir -p -- $*"
82 exec mkdir -p -- "$@"
83 else
84 # On NextStep and OpenStep, the `mkdir' command does not
85 # recognize any option. It will interpret all options as
86 # directories to create, and then abort because `.' already
87 # exists.
88 test -d ./-p && rmdir ./-p
89 test -d ./--version && rmdir ./--version
90 fi
91 ;;
92 *)
93 if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 &&
94 test ! -d ./--version; then
95 echo "mkdir -m $dirmode -p -- $*"
96 exec mkdir -m "$dirmode" -p -- "$@"
97 else
98 # Clean up after NextStep and OpenStep mkdir.
99 for d in ./-m ./-p ./--version "./$dirmode";
100 do
101 test -d $d && rmdir $d
102 done
103 fi
104 ;;
105 esac
106
107 for file
108 do
109 case $file in
110 /*) pathcomp=/ ;;
111 *) pathcomp= ;;
112 esac
113 oIFS=$IFS
114 IFS=/
115 set fnord $file
116 shift
117 IFS=$oIFS
118
119 for d
120 do
121 test "x$d" = x && continue
122
123 pathcomp=$pathcomp$d
124 case $pathcomp in
125 -*) pathcomp=./$pathcomp ;;
126 esac
127
128 if test ! -d "$pathcomp"; then
129 echo "mkdir $pathcomp"
130
131 mkdir "$pathcomp" || lasterr=$?
132
133 if test ! -d "$pathcomp"; then
134 errstatus=$lasterr
135 else
136 if test ! -z "$dirmode"; then
137 echo "chmod $dirmode $pathcomp"
138 lasterr=
139 chmod "$dirmode" "$pathcomp" || lasterr=$?
140
141 if test ! -z "$lasterr"; then
142 errstatus=$lasterr
143 fi
144 fi
145 fi
146 fi
147
148 pathcomp=$pathcomp/
149 done
150 done
151
152 exit $errstatus
153
154 # Local Variables:
155 # mode: shell-script
156 # sh-indentation: 2
157 # eval: (add-hook 'write-file-hooks 'time-stamp)
158 # time-stamp-start: "scriptversion="
159 # time-stamp-format: "%:y-%02m-%02d.%02H"
160 # time-stamp-end: "$"
161 # End: