diff -ur a/build-aux/install-sh b/build-aux/install-sh
--- a/build-aux/install-sh	2006-03-25 20:04:46 +0000
+++ b/build-aux/install-sh	2007-09-14 10:53:29 +0100
@@ -247,7 +247,7 @@
   fi
 
   if test -n "$dir_arg"; then
-    $doit $mkdircmd "$dst" \
+    { test -d "$dst" || $doit $mkdircmd -p "$dst"; } \
       && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
       && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
