Merge pull request #1646 from jackchenjc/edgex-go-issue-4916-2

fix: Only one ldflags flag is allowed

Makefile

@@ -1,9 +1,9 @@
 .PHONY: build test clean docker unittest lint
 
 # change the following boolean flag to enable or disable the Full RELRO (RELocation Read Only) for linux ELF (Executable and Linkable Format) binaries
-ENABLE_FULL_RELRO:="true"
+ENABLE_FULL_RELRO=true
 # change the following boolean flag to enable or disable PIE for linux binaries which is needed for ASLR (Address Space Layout Randomization) on Linux, the ASLR support on Windows is enabled by default
-ENABLE_PIE:="true"
+ENABLE_PIE=true
 
 ARCH=$(shell uname -m)
 
@@ -14,18 +14,19 @@ VERSION=$(shell cat ./VERSION 2>/dev/null || echo 0.0.0)
 SDKVERSION=$(VERSION)
 DOCKER_TAG=$(VERSION)-dev
 
+ifeq ($(ENABLE_FULL_RELRO), true)
+	ENABLE_FULL_RELRO_GOFLAGS = -bindnow
+endif
+
 GOFLAGS=-ldflags "-X github.com/edgexfoundry/device-sdk-go/v4.Version=$(VERSION) \
-                  -X github.com/edgexfoundry/device-sdk-go/v4/internal/common.SDKVersion=$(SDKVERSION)" -trimpath -mod=readonly
+                  -X github.com/edgexfoundry/device-sdk-go/v4/internal/common.SDKVersion=$(SDKVERSION) \
+                  $(ENABLE_FULL_RELRO_GOFLAGS)" -trimpath -mod=readonly
 
 GOTESTFLAGS?=-race
 
 GIT_SHA=$(shell git rev-parse HEAD)
 
-ifeq ($(ENABLE_FULL_RELRO), "true")
-	GOFLAGS += -ldflags "-bindnow"
-endif
-
-ifeq ($(ENABLE_PIE), "true")
+ifeq ($(ENABLE_PIE), true)
 	GOFLAGS += -buildmode=pie
 endif