From 835c3d720b90bc231c949eb3af8684a746a817a5 Mon Sep 17 00:00:00 2001
From: Elliott Sales de Andrade <quantum.analyst@gmail.com>
Date: Mon, 5 Jan 2015 01:35:08 -0500
Subject: [PATCH] Don't allow undefined symbols in shared library.

This should avoid inconsistent errors like the one that showed up in
PR #800.
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 1a0e7688a8..72e4d600d1 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ MKDIR    ?= mkdir
 WINDRES  ?= windres
 CFLAGS   ?= -Wall -O2
 CXXFLAGS ?= -Wall -O2
-LDFLAGS  ?= -Wall -O2
+LDFLAGS  ?= -Wall -O2 -Wl,--no-undefined
 
 ifneq (,$(findstring /cygdrive/,$(PATH)))
 	UNAME := Cygwin