From c46627f8e16a53515f9b20405a78b8fe33ed25f1 Mon Sep 17 00:00:00 2001
From: Pietro Gagliardi <pietro10@mac.com>
Date: Wed, 22 Apr 2015 18:24:16 -0400
Subject: [PATCH] Added linker flags to ban undefined extern functions.

---
 new/GNUmakefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/new/GNUmakefile b/new/GNUmakefile
index acb8e962..38631819 100644
--- a/new/GNUmakefile
+++ b/new/GNUmakefile
@@ -29,7 +29,10 @@ baseCFILES = \
 baseMFILES = $(osMFILES)
 
 baseCFLAGS = $(osCFLAGS)
-baseLDFLAGS = -shared $(osLDFLAGS)
+baseLDFLAGS = \
+	-shared \
+	-Wl,--no-undefined -Wl,--no-allow-shlib-undefined \
+	$(osLDFLAGS)
 baseSUFFIX = $(osLIBSUFFIX)
 
 include GNUbase.mk