From aecd12261805b14af8070c6e07f2ed8aa43951a2 Mon Sep 17 00:00:00 2001
From: Bill <sunyinqi0508@gmail.com>
Date: Thu, 29 Sep 2022 00:00:55 +0800
Subject: [PATCH] 	modified:   Makefile

---
 Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 5793de1..cf6cb52 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ MonetDB_INC =
 Threading = 
 CXXFLAGS = --std=c++1z
 OPTFLAGS = -O3 -DNDEBUG
-LINKFLAGS = -flto
+LINKFLAGS = -flto 
 SHAREDFLAGS = -shared  
 FPIC = -fPIC
 COMPILER = $(shell $(CXX) --version | grep -q clang && echo clang|| echo gcc) 
@@ -23,11 +23,13 @@ ifeq ($(COMPILER), clang )
 	ifneq (, $(shell which llvm-ranlib))
 		RANLIB = llvm-ranlib
 	endif
+	LINKFLAGS += -Wl,-undefined,error
 else 
 	LIBTOOL = ar rcs
 	ifneq (, $(shell which gcc-ar))
 		LIBTOOL = gcc-ar rcs
 	endif
+	LINKFLAGS +=  -Wl,-no-undefined
 endif
 OPTFLAGS += $(SEMANTIC_INTERPOSITION)