diff -up setup.py.orig setup.py
--- setup.py.orig	2019-03-14 07:39:24.000000000 -0600
+++ setup.py	2019-04-08 09:38:40.734211624 -0600
@@ -50,7 +50,7 @@ kwds = dict(include_dirs=[opj("src"),
             depends=depends,
             define_macros=macros,
             undef_macros=undef_macros,
-            extra_compile_args=["-pthread"],
+            extra_compile_args=["-Wp,-U_FORTIFY_SOURCE", "-pthread"],
             extra_link_args=["-pthread"],)
 
 extensions = [