From 8a27d0a464cf685bb499e06d985b1e95ec66e406 Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Mon, 5 Oct 2015 10:43:22 -0400
Subject: [PATCH] Make the compiler enforce strict symbol versioning.

Signed-off-by: Peter Jones <pjones@redhat.com>
---
 Make.defaults | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Make.defaults b/Make.defaults
index 32c1261..cc58762 100644
--- a/Make.defaults
+++ b/Make.defaults
@@ -32,7 +32,7 @@ cflags	= $(CFLAGS) \
 clang_ccldflags =
 gcc_ccldflags = -fno-merge-constants \
 	-Wl,--fatal-warnings,--no-allow-shlib-undefined,--default-symver \
-	-Wl,-O2
+	-Wl,-O2 -Wl,--no-undefined-version
 ccldflags = $(cflags) $(CCLDFLAGS) $(LDFLAGS) \
 	$(if $(filter $(CCLD),clang),$(clang_ccldflags),) \
 	$(if $(filter $(CCLD),gcc),$(gcc_ccldflags),) \
-- 
2.11.0