stubs/Makefile: Reduce the user-mode object list

These stubs are not required when configured with --disable-system.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Tested-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200522172510.25784-7-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

stubs/Makefile.objs

@@ -1,47 +1,55 @@
-stub-obj-y += arch_type.o
-stub-obj-y += bdrv-next-monitor-owned.o
 stub-obj-y += blk-commit-all.o
-stub-obj-y += blockdev-close-all-bdrv-states.o
-stub-obj-y += clock-warp.o
 stub-obj-y += cpu-get-clock.o
 stub-obj-y += cpu-get-icount.o
 stub-obj-y += dump.o
 stub-obj-y += error-printf.o
 stub-obj-y += fdset.o
 stub-obj-y += gdbstub.o
-stub-obj-y += get-vm-name.o
-stub-obj-y += iothread.o
 stub-obj-y += iothread-lock.o
 stub-obj-y += is-daemonized.o
 stub-obj-$(CONFIG_LINUX_AIO) += linux-aio.o
 stub-obj-$(CONFIG_LINUX_IO_URING) += io_uring.o
-stub-obj-y += machine-init-done.o
-stub-obj-y += migr-blocker.o
-stub-obj-y += change-state-handler.o
-stub-obj-y += monitor.o
 stub-obj-y += monitor-core.o
 stub-obj-y += notify-event.o
+stub-obj-y += qmp_memory_device.o
 stub-obj-y += qtest.o
+stub-obj-y += ramfb.o
 stub-obj-y += replay.o
-stub-obj-y += replay-user.o
 stub-obj-y += runstate-check.o
+stub-obj-$(CONFIG_SOFTMMU) += semihost.o
 stub-obj-y += set-fd-handler.o
+stub-obj-y += vmgenid.o
 stub-obj-y += sysbus.o
 stub-obj-y += tpm.o
 stub-obj-y += trace-control.o
-stub-obj-y += uuid.o
-stub-obj-y += vm-stop.o
 stub-obj-y += vmstate.o
 stub-obj-y += win32-kbd-hook.o
+
+#######################################################################
+# code used by both qemu system emulation and qemu-img
+
+ifeq ($(call lor,$(CONFIG_SOFTMMU),$(CONFIG_TOOLS)),y)
+
+stub-obj-y += arch_type.o
+stub-obj-y += bdrv-next-monitor-owned.o
+stub-obj-y += blockdev-close-all-bdrv-states.o
+stub-obj-y += change-state-handler.o
+stub-obj-y += clock-warp.o
 stub-obj-y += fd-register.o
-stub-obj-y += qmp_memory_device.o
-stub-obj-y += target-monitor-defs.o
-stub-obj-y += target-get-monitor-def.o
-stub-obj-y += vmgenid.o
-stub-obj-y += xen-common.o
-stub-obj-y += xen-hvm.o
+stub-obj-y += fw_cfg.o
+stub-obj-y += get-vm-name.o
+stub-obj-y += iothread.o
+stub-obj-y += machine-init-done.o
+stub-obj-y += migr-blocker.o
+stub-obj-y += monitor.o
 stub-obj-y += pci-host-piix.o
 stub-obj-y += ram-block.o
-stub-obj-y += ramfb.o
-stub-obj-y += fw_cfg.o
-stub-obj-$(CONFIG_SOFTMMU) += semihost.o
+stub-obj-y += replay-user.o
+stub-obj-y += target-get-monitor-def.o
+stub-obj-y += target-monitor-defs.o
+stub-obj-y += uuid.o
+stub-obj-y += vm-stop.o
+stub-obj-y += xen-common.o
+stub-obj-y += xen-hvm.o
+
+endif # CONFIG_SOFTMMU || CONFIG_TOOLS