diff -up perl-5.20.1/Makefile.SH.orig perl-5.20.1/Makefile.SH
--- perl-5.20.1/Makefile.SH.orig	2015-01-08 09:03:23.371353023 +0100
+++ perl-5.20.1/Makefile.SH	2015-01-08 09:04:06.110815452 +0100
@@ -146,7 +146,7 @@ true)
 	    # INSTALL file, under "Building a shared perl library".
 	    # If there is no pre-existing $libperl, we don't need
 	    # to do anything further.
-	    if test -f $archlib/CORE/$libperl; then
+	    # if test -f $archlib/CORE/$libperl; then
 		rm -f preload
 		cat <<'EOT' > preload
 #! /bin/sh
@@ -157,7 +157,7 @@ exec "$@"
 EOT
 		chmod 755 preload
 		ldlibpth="$ldlibpth `pwd`/preload `pwd`/$libperl"
-	    fi
+	    # fi
 	    ;;
 	os390)	test -f /bin/env && ldlibpth="/bin/env $ldlibpth"
 		;;