Having a sed command at the top of the Makefile will break with
current (3.82) GNU make.

2011-05-23 Martin von Gagern

Index: eresi-0.82_beta2/configure
===================================================================
--- eresi-0.82_beta2.orig/configure
+++ eresi-0.82_beta2/configure
@@ -618,10 +618,10 @@ echo "RM      = rm -f "
 echo ""								>> Makefile
 echo "all     : world modules testsuite tags"			>> Makefile
 
+sed -ie "s%TESTING_ROOT=.*%TESTING_ROOT=`pwd`/%" eresi-config
+
 cat >> Makefile <<EOF
 
-sed -ie "s%TESTING_ROOT=.*%TESTING_ROOT=`pwd`/%" eresi-config
-
 ifdef NAME
 include  build/defs/dep-rules.def
 component:	dep-\$(NAME)