build: make libtool verbose when making with V=1

Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

libcacard/Makefile

@@ -36,7 +36,7 @@ install-libcacard:
 	@echo "libtool is missing, please install and rerun configure"; exit 1
 else
 libcacard.la: $(libcacard.lib-y) $(QEMU_OBJS_LIB)
-	$(call quiet-command,$(LIBTOOL) --mode=link --quiet --tag=CC $(CC) -rpath $(libdir) -o $@ $^ $(libcacard_libs),"  lt LINK $@")
+	$(call quiet-command,$(LIBTOOL) --mode=link --tag=CC $(CC) -rpath $(libdir) -o $@ $^ $(libcacard_libs),"  lt LINK $@")
 
 libcacard_srcpath=$(SRC_PATH)/libcacard
 libcacard.pc: $(libcacard_srcpath)/libcacard.pc.in

rules.mak

@@ -24,8 +24,9 @@ ifeq ($(LIBTOOL),)
 %.lo: %.c
 	@echo "missing libtool. please install and rerun configure"; exit 1
 else
+LIBTOOL += $(if $(V),,--quiet)
 %.lo: %.c
-	$(call quiet-command,$(LIBTOOL) --mode=compile --quiet --tag=CC $(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  lt CC $@")
+	$(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC $(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<,"  lt CC $@")
 endif
 
 %.asm: %.S