diff -Nru automake-1.11.2.orig/lib/ylwrap automake-1.11.2/lib/ylwrap
--- automake-1.11.2.orig/lib/ylwrap	2011-12-13 18:02:57.000000000 +0100
+++ automake-1.11.2/lib/ylwrap	2012-01-25 16:34:28.863942637 +0100
@@ -98,13 +98,12 @@
 
 # FIXME: add hostname here for parallel makes that run commands on
 # other machines.  But that might take us over the 14-char limit.
-dirname=ylwrap$$
+dirname=`mktemp -d ylwrap.XXXXXX`
 do_exit="cd '`pwd`' && rm -rf $dirname > /dev/null 2>&1;"' (exit $ret); exit $ret'
 trap "ret=129; $do_exit" 1
 trap "ret=130; $do_exit" 2
 trap "ret=141; $do_exit" 13
 trap "ret=143; $do_exit" 15
-mkdir $dirname || exit 1
 
 cd $dirname