Index: trunk/psconfig/psbuild
===================================================================
--- trunk/psconfig/psbuild	(revision 31448)
+++ trunk/psconfig/psbuild	(revision 31466)
@@ -386,4 +386,5 @@
     if (@ARGV != 2) { die "USAGE: psbuild -bootstrap (install_dir)\n"; }
     $psconfdir = $ARGV[1];
+    die "Target directory must be absolute, not relative: $psconfdir\n" unless $psconfdir =~ m|^/|;
 
     # copy psconfig.csh and psconfig.bash to psconfdir