From e78c63276c50638729c8b8cbfba48728538350fc Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@systemlinux.org>
Date: Sat, 31 May 2008 17:12:18 +0200
Subject: [PATCH] Makefile: Disallow undefined symbols.

---
 Makefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 4e8b48e..38af988 100644
--- a/Makefile
+++ b/Makefile
@@ -33,6 +33,9 @@ ifeq ($(uname_s),NetBSD)
 endif
 all: $(dso_filename)
 
+# disallow undefined symbols
+LDFLAGS += -Wl,-z,defs
+
 DEBUG_CPPFLAGS += -Wno-sign-compare -g -Wunused -Wundef -W
 DEBUG_CPPFLAGS += -Wredundant-decls
 #CPPFLAGS += -Os
@@ -55,7 +58,7 @@ Makefile.deps: $(wildcard *.c *.h)
 %.o: %.c Makefile
 	$(CC) -c $(CPPFLAGS) $(DEBUG_CPPFLAGS) $<
 $(dso_filename): $(objects)
-	$(CC) $(dso_opts) -o $@ $(objects) -lcrypto
+	$(CC) $(dso_opts) -o $@ $(objects) $(LDFLAGS) -lcrypto
 
 osl_errors.h: errlist
 	sed -e 's/\([A-Z_]*\)	.*/	E_OSL_\1/' \
-- 
2.39.2