diff --git a/configure b/configure
index 02086206..42d665e0 100755
--- a/configure
+++ b/configure
@@ -7042,6 +7042,7 @@ else
   :
 fi
 
+  CPPFLAGS="$CPPFLAGS -U_FORTIFY_SOURCE"
  ;;
 esac
 
diff --git a/configure.ac b/configure.ac
index d9c2b321..daf7aac5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -224,6 +224,7 @@ AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],
 
 AS_CASE([$host_os], [cygwin*|mingw*|msys|pw32*|cegcc*], [ ], [
   AX_CHECK_COMPILE_FLAG([-fPIC], [CFLAGS="$CFLAGS -fPIC"])
+  CPPFLAGS="$CPPFLAGS -U_FORTIFY_SOURCE"
 ])
 
 AS_IF([test "$enable_pie" != "no"],[