source: parabix-LLVM/llvm_git/autoconf/mkinstalldirs @ 4136

Last change on this file since 4136 was 4078, checked in by linmengl, 5 years ago

checkin llvm-meng source

  • Property svn:executable set to *
File size: 3.3 KB
Line 
1#! /bin/sh
2# mkinstalldirs --- make directory hierarchy
3
4scriptversion=2004-02-15.20
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
14errstatus=0
15dirmode=""
16
17usage="\
18Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ...
19
20Create each directory DIR (with mode MODE, if specified), including all
21leading file name components.
22
23Report bugs to <bug-automake@gnu.org>."
24
25# process command line arguments
26while test $# -gt 0 ; do
27  case $1 in
28    -h | --help | --h*)         # -h for help
29      echo "$usage"
30      exit 0
31      ;;
32    -m)                         # -m PERM arg
33      shift
34      test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
35      dirmode=$1
36      shift
37      ;;
38    --version)
39      echo "$0 $scriptversion"
40      exit 0
41      ;;
42    --)                         # stop option processing
43      shift
44      break
45      ;;
46    -*)                         # unknown option
47      echo "$usage" 1>&2
48      exit 1
49      ;;
50    *)                          # first non-opt arg
51      break
52      ;;
53  esac
54done
55
56for file
57do
58  if test -d "$file"; then
59    shift
60  else
61    break
62  fi
63done
64
65case $# in
66  0) exit 0 ;;
67esac
68
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.
75case $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
87    fi
88    ;;
89  *)
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";
97      do
98        test -d $d && rmdir $d
99      done
100    fi
101    ;;
102esac
103
104for file
105do
106  set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'`
107  shift
108
109  pathcomp=
110  for d
111  do
112    pathcomp="$pathcomp$d"
113    case $pathcomp in
114      -*) pathcomp=./$pathcomp ;;
115    esac
116
117    if test ! -d "$pathcomp"; then
118      # echo "mkdir $pathcomp"
119
120      mkdir "$pathcomp" || lasterr=$?
121
122      if test ! -d "$pathcomp"; then
123        errstatus=$lasterr
124      else
125        if test ! -z "$dirmode"; then
126          # echo "chmod $dirmode $pathcomp"
127          lasterr=""
128          chmod "$dirmode" "$pathcomp" || lasterr=$?
129
130          if test ! -z "$lasterr"; then
131            errstatus=$lasterr
132          fi
133        fi
134      fi
135    fi
136
137    pathcomp="$pathcomp/"
138  done
139done
140
141exit $errstatus
142
143# Local Variables:
144# mode: shell-script
145# sh-indentation: 2
146# eval: (add-hook 'write-file-hooks 'time-stamp)
147# time-stamp-start: "scriptversion="
148# time-stamp-format: "%:y-%02m-%02d.%02H"
149# time-stamp-end: "$"
150# End:
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