--- examples/extauth/Makefile	2021-05-29 10:05:05.000000000 -0500
+++ examples/extauth/Makefile	2021-06-27 18:10:21.360951000 -0500
@@ -61,8 +61,8 @@
 TCWRAP_objects=$(INTERMED)/TcWrapper.o
 KEY_AUTH_objects=$(INTERMED)/ExtAuth.o
 
-CXXFLAGS=-std=c++11 -pthread -I$(ROOT)/include -fPIC $(TOMCRYPT_COMPILE)
-LDFLAGS=-pthread -L$(LIB) -Wl,-rpath,'$$ORIGIN/../lib' $(TOMCRYPT_LINK)
+CXXFLAGS=-std=c++11 -pthread -I$(ROOT)/include -fPIC $(TOMCRYPT_COMPILE) ${CFLAGS}
+LDFLAGS+=-pthread -L$(LIB) -Wl,-rpath,'$$ORIGIN/../lib' $(TOMCRYPT_LINK)
 
 LINK_LIBS=-lfbclient -ltomcrypt -ltommath