=== removed file 'scripts/build_gentoo_stage4'
--- scripts/build_gentoo_stage4	2012-01-18 00:37:28 +0000
+++ scripts/build_gentoo_stage4	1970-01-01 00:00:00 +0000
@@ -1,18 +0,0 @@
-#!/bin/zsh
-source ${0:h}/functions
-
-[[ -d $1 ]] || die usage: ${0:t} '<chroot directory>'
-set -x
-
-summary=$1/var/log/portage/elog/summary.log
-last=$( stat -c %Y $summary )
-until $1/root/prosys/build_stage4.sh
-do
-	new=$( stat -c %Y $summary )
-	if [[ $last == $new ]]
-	then
-		die "emerge failed without errors, assuming unsatisfiable conditions"
-	fi
-	last=$new
-	${0:h}/mask_failed_packages $1
-done

=== modified file 'stagebuilder.pl'
--- stagebuilder.pl	2012-01-18 00:37:28 +0000
+++ stagebuilder.pl	2011-11-29 09:07:57 +0000
@@ -433,8 +433,7 @@
     get_portage_timestamp(Dir, PortageVer),
     [chroot(Dir, ['/root/prosys/rebuild_stage3.sh'])],
     create_stage(Name + '_stage3-p' + PortageVer, Dir),
-    {script_dir(Script)},
-    [run([Script +/+ build_gentoo_stage4, Dir])],
+    [chroot(Dir, ['/root/prosys/build_stage4.sh'])],
     create_stage(Name + '_stage4-p' + PortageVer, Dir).
 
 %%%%%%%%%%%