Index: mosquitto-auth-plugin/Makefile
===================================================================
--- mosquitto-auth-plugin.orig/Makefile	2017-08-20 00:29:38.549493679 -0500
+++ mosquitto-auth-plugin/Makefile	2017-08-20 00:34:02.163507647 -0500
@@ -108,7 +108,7 @@
 OSSLINC = -I$(OPENSSLDIR)/include
 OSSLIBS = -L$(OPENSSLDIR)/lib -lcrypto
 
-CFLAGS := $(CFG_CFLAGS)
+CFLAGS += $(CFG_CFLAGS)
 CFLAGS += -I$(MOSQUITTO_SRC)/src/
 CFLAGS += -I$(MOSQUITTO_SRC)/lib/
 ifneq ($(OS),Windows_NT)
@@ -116,11 +116,11 @@
 endif
 CFLAGS += $(BACKENDS) $(BE_CFLAGS) -I$(MOSQ)/src -DDEBUG=1 $(OSSLINC)
 
-LDFLAGS := $(CFG_LDFLAGS)
+LDFLAGS += $(CFG_LDFLAGS)
 LDFLAGS += $(BE_LDFLAGS) -L$(MOSQUITTO_SRC)/lib/
 # LDFLAGS += -Wl,-rpath,$(../../../../pubgit/MQTT/mosquitto/lib) -lc
 # LDFLAGS += -export-dynamic
-LDADD = $(BE_LDADD) $(OSSLIBS) -lmosquitto
+LDADD += $(BE_LDADD) $(OSSLIBS) -lmosquitto
 
 all: printconfig auth-plug.so np
 
