From 5820c72092fce22989294d3127bee5293013e05f Mon Sep 17 00:00:00 2001
From: Andrew Gaul <andrew@gaul.org>
Date: Thu, 4 Jul 2019 10:20:26 -0700
Subject: [PATCH] Compile with FORTIFY_SOURCE

This can catch some classes of buffer overflows.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 2c76ff2..3e3519a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -33,7 +33,7 @@ AC_CHECK_HEADERS([sys/xattr.h])
 AC_CHECK_HEADERS([attr/xattr.h])
 AC_CHECK_HEADERS([sys/extattr.h])
 
-CXXFLAGS="$CXXFLAGS -Wall -D_FILE_OFFSET_BITS=64"
+CXXFLAGS="$CXXFLAGS -Wall -D_FILE_OFFSET_BITS=64 -D_FORTIFY_SOURCE=2"
 
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