scripts/Build-Pkg: fixed to allow lib64 to be flisted for 64 bit architectures and lib32 in the case we build a multilib system

scripts/Build-Pkg

@@ -381,10 +381,15 @@ fi
 # allowed toplevel directories that will be flisted
 flistroot="bin boot etc lib sbin usr var opt"
 
-# add lib32 and lib64 in the case the target has multilib support
-if [ "$SDECFG_MULTILIB" = 1 ]; then
-	var_append flistroot ' ' "lib32 lib64"
-fi
+# additionally allowed toplevel directories for 64 bit architectures
+case $arch_machine in
+        powerpc64|sparc64|x86_64|mips64)
+                var_append flistroot ' ' "lib64"
+		if [ "$SDECFG_MULTILIB" = 1 ]; then
+			var_append flistroot ' ' "lib32"
+		fi
+		;;
+esac
 
 # remove the obvious noise: ldconfig and our /var/adm as well as due to
 # rare i18n locale directories ...