third_party/tcmalloc/vendor/mkinstalldirs

   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: