example: add simple test to check correct linkage

- needs to be 3.14 compatible
- fixes #27

exampleApp/test/Makefile

@@ -0,0 +1,30 @@
+#*************************************************************************
+# Copyright (c) 2020 ITER Organization.
+# EPICS BASE is distributed subject to a Software License Agreement found
+# in the file LICENSE that is included with this distribution.
+#*************************************************************************
+CURDIR := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
+TOP = ../..
+
+include $(TOP)/configure/CONFIG
+
+# use the new RSET definition
+USR_CPPFLAGS += -DUSE_TYPED_RSET
+
+DBD = exampleTest.dbd
+exampleTest_DBD += example.dbd
+
+PROD_LIBS += exampleSupport
+ifneq ($(SNCSEQ),)
+    PROD_LIBS += seq pv
+endif
+PROD_LIBS += $(EPICS_BASE_IOC_LIBS)
+
+TESTPROD_HOST += exampleTest
+exampleTest_SRCS += exampleTest.c
+exampleTest_SRCS += exampleTest_registerRecordDeviceDriver.cpp
+TESTS += exampleTest
+
+TESTSCRIPTS_HOST += $(TESTS:%=%.t)
+
+include $(TOP)/configure/RULES