tests/resource: Rework Makefile

In particular, fill in the install/uninstall rules so this test can be
packaged to be automated sensibly.

Make all object files depend on the Makefile, drop redundant -f's for $(RM),
and use $(TARGET) when appropriate.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>

tools/tests/resource/Makefile

@@ -12,17 +12,20 @@ run: $(TARGET)
 
 .PHONY: clean
 clean:
-	$(RM) -f -- *.o $(TARGET) $(DEPS_RM)
+	$(RM) -- *.o $(TARGET) $(DEPS_RM)
 
 .PHONY: distclean
 distclean: clean
-	$(RM) -f -- *~
+	$(RM) -- *~
 
 .PHONY: install
 install: all
+	$(INSTALL_DIR) $(DESTDIR)$(LIBEXEC_BIN)
+	$(INSTALL_PROG) $(TARGET) $(DESTDIR)$(LIBEXEC_BIN)
 
 .PHONY: uninstall
 uninstall:
+	$(RM) -- $(DESTDIR)$(LIBEXEC_BIN)/$(TARGET)
 
 CFLAGS += -Werror
 CFLAGS += $(CFLAGS_xeninclude)
@@ -34,7 +37,9 @@ LDFLAGS += $(LDLIBS_libxenctrl)
 LDFLAGS += $(LDLIBS_libxenforeignmemory)
 LDFLAGS += $(APPEND_LDFLAGS)
 
-test-resource: test-resource.o
+%.o: Makefile
+
+$(TARGET): test-resource.o
 	$(CC) -o $@ $< $(LDFLAGS)
 
 -include $(DEPS_INCLUDE)