--- configure.in~	Mon Jan  9 15:35:53 2006
+++ configure.in	Mon Jan  9 16:05:22 2006
@@ -3246,8 +3246,11 @@
 echo "creating Setup"
 if test ! -f Modules/Setup
 then
-	sed -e "s/@POSIX@/$POSIX/" $srcdir/Modules/Setup.dist > Modules/Setup
+	cp $srcdir/Modules/Setup.dist Modules/Setup
 fi
+mv Modules/Setup Modules/Setup~
+sed -e "s/@POSIX@/$POSIX/g" < Modules/Setup~ > Modules/Setup
+
 
 echo "creating Setup.local"
 if test ! -f Modules/Setup.local