--- a/squashfs-tools/Makefile	2019-07-24 13:52:09.552920269 -0400
+++ b/squashfs-tools/Makefile	2019-07-24 23:52:47.839665687 -0400
@@ -107,6 +107,8 @@ XATTR_DEFAULT = 1
 #        End of BUILD options section         #
 ###############################################
 
+EXTRA_LDFLAGS += -z now -pie
+
 INCLUDEDIR = -I.
 INSTALL_DIR = /usr/local/bin