Add some latest minor changes to Makefile

Makefile

@@ -4,7 +4,8 @@
 CFLAGS=-Isrc/ -DVERBOSE -g -fpic -Wall -Wshadow -Wcast-qual -Wpedantic -Werror=incompatible-pointer-types
 
 # All platforms need these object files
-FILES=$(addprefix src/,operations.o packet.o enums.o data.o enum_dump.o util.o canon.o liveview.o bind.o ip.o fuji.o ml.o log.o conv.o generic.o)
+CAMLIB_CORE=operations.o packet.o enums.o data.o enum_dump.o util.o canon.o liveview.o bind.o ip.o fuji.o ml.o log.o conv.o generic.o
+FILES=$(addprefix src/,$(CAMLIB_CORE))
 
 # Unix-specific
 CFLAGS+=$(shell pkg-config --cflags libusb-1.0)
@@ -22,7 +23,7 @@ libcamlib.so: $(FILES)
 	$(CC) -c $(CFLAGS) $< -o $@
 
 # PTP decoder
-DEC_FILES=src/dec/main.o src/enums.o src/enum_dump.o
+DEC_FILES=src/dec/main.o src/enums.o src/enum_dump.o src/data.o src/packet.o src/conv.o src/log.o
 dec: $(DEC_FILES)
 	$(CC) $(DEC_FILES) $(CFLAGS) -o $@
 
@@ -33,6 +34,7 @@ stringify:
 clean:
 	rm -rf *.o src/*.o src/dec/*.o *.out test-ci test/*.o examples/*.o *.exe dec *.dll *.so libusb-fake-ptp DUMP
 	rm -rf lua/*.o lua/lua-cjson/*.o
+	cd examples && make clean
 
 install: libcamlib.so
 	cp libcamlib.so /usr/lib/
@@ -42,4 +44,4 @@ install: libcamlib.so
 test-ci: test/test.o $(FILES)
 	$(CC) test/test.o $(FILES) $(LDFLAGS) $(CFLAGS) -o test-ci
 
-.PHONY: all clean
+.PHONY: all clean install stringify