--- ./configure_orig	2021-01-27 11:52:48 +0000
+++ ./configure	2021-01-27 11:53:28 +0000
@@ -15340,7 +15340,7 @@
 		case "$OSREV" in
 		    [1-4].*)	with_noexec=no;;
 		    5.[1-2]*)	with_noexec=no;;
-		    *)		RTLD_PRELOAD_VAR="LDR_PRELOAD";;
+		    *)		RTLD_PRELOAD_VAR="LDR_PRELOAD64";;
 		esac
 
 		# cfmakeraw is broken on AIX (and is not documented)