#! /bin/sh
# mkinstalldirs --- make directory hierarchy
-scriptversion=2003-11-08.23
+scriptversion=2004-02-15.20
# Original author: Noah Friedman <friedman@prep.ai.mit.edu>
# Created: 1993-05-16
0) exit 0 ;;
esac
+# Solaris 8's mkdir -p isn't thread-safe. If you mkdir -p a/b and
+# mkdir -p a/c at the same time, both will detect that a is missing,
+# one will create a, then the other will try to create a and die with
+# a "File exists" error. This is a problem when calling mkinstalldirs
+# from a parallel make. We use --version in the probe to restrict
+# ourselves to GNU mkdir, which is thread-safe.
case $dirmode in
'')
- if mkdir -p -- . 2>/dev/null; then
+ if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
echo "mkdir -p -- $*"
exec mkdir -p -- "$@"
else
# directories to create, and then abort because `.' already
# exists.
test -d ./-p && rmdir ./-p
- test -d ./-- && rmdir ./--
+ test -d ./--version && rmdir ./--version
fi
;;
*)
- if mkdir -m "$dirmode" -p -- . 2>/dev/null; then
+ if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 &&
+ test ! -d ./--version; then
echo "mkdir -m $dirmode -p -- $*"
exec mkdir -m "$dirmode" -p -- "$@"
else
# Clean up after NextStep and OpenStep mkdir.
- for d in ./-m ./-p ./-- "./$dirmode";
+ for d in ./-m ./-p ./--version "./$dirmode";
do
test -d $d && rmdir $d
done