build: move rules for nesting to Makefile.objs

At this point we will start adding nesting behavior to other files
than Makefile.target.  Because Makefile.objs is included by
Makefile.target, it is simpler to move the processing of
subdirectories there.

To enable this, only add per-target files to obj-y.  Use a separate
variable for the linker dependencies, all-obj-y.  This variable includes
obj-y and also all objects that are taken from other directories.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-05-22 13:41:27 +02:00
parent fbe37ef3e1
commit 99100dc3b5
2 changed files with 24 additions and 25 deletions

View File

@ -468,3 +468,5 @@ vl.o: QEMU_CFLAGS+=$(SDL_CFLAGS)
QEMU_CFLAGS+=$(GLIB_CFLAGS)
nested-vars += # ...
dummy := $(call unnest-vars)

View File

@ -21,8 +21,6 @@ QEMU_CFLAGS += -I../linux-headers
endif
QEMU_CFLAGS += -I.. -I$(TARGET_PATH) -DNEED_CPU_H
include $(SRC_PATH)/Makefile.objs
QEMU_CFLAGS+=-I$(SRC_PATH)/include
ifdef CONFIG_USER_ONLY
@ -107,10 +105,6 @@ QEMU_CFLAGS+=-I$(SRC_PATH)/linux-user/$(TARGET_ABI_DIR) -I$(SRC_PATH)/linux-user
obj-y += linux-user/
obj-y += gdbstub.o thunk.o user-exec.o $(oslib-obj-y)
obj-y += $(addprefix ../, $(universal-obj-y))
obj-y += $(addprefix ../libuser/, $(user-obj-y))
obj-y += $(addprefix ../libdis-user/, $(libdis-y))
endif #CONFIG_LINUX_USER
#########################################################
@ -123,10 +117,6 @@ QEMU_CFLAGS+=-I$(SRC_PATH)/bsd-user -I$(SRC_PATH)/bsd-user/$(TARGET_ARCH)
obj-y += bsd-user/
obj-y += gdbstub.o user-exec.o
obj-y += $(addprefix ../, $(universal-obj-y))
obj-y += $(addprefix ../libuser/, $(user-obj-y))
obj-y += $(addprefix ../libdis-user/, $(libdis-y))
endif #CONFIG_BSD_USER
#########################################################
@ -191,33 +181,40 @@ main.o: QEMU_CFLAGS+=$(GPROF_CFLAGS)
GENERATED_HEADERS += hmp-commands.h qmp-commands-old.h
obj-y += $(addprefix ../, $(universal-obj-y))
obj-y += $(addprefix ../, $(common-obj-y))
obj-y += $(addprefix ../libdis/, $(libdis-y))
obj-y += $(addprefix $(HWDIR)/, $(hw-obj-y))
obj-y += $(addprefix ../, $(trace-obj-y))
endif # CONFIG_SOFTMMU
ifndef CONFIG_LINUX_USER
ifndef CONFIG_BSD_USER
nested-vars += obj-y
# This resolves all nested paths, so it must come last
include $(SRC_PATH)/Makefile.objs
all-obj-y = $(obj-y)
all-obj-y += $(addprefix ../, $(universal-obj-y))
ifdef CONFIG_SOFTMMU
all-obj-y += $(addprefix ../, $(common-obj-y))
all-obj-y += $(addprefix ../libdis/, $(libdis-y))
all-obj-y += $(addprefix $(HWDIR)/, $(hw-obj-y))
all-obj-y += $(addprefix ../, $(trace-obj-y))
# libcacard needs qemu-thread support, and besides is only needed by devices
# so not requires with linux-user / bsd-user targets
obj-$(CONFIG_SMARTCARD_NSS) += $(addprefix ../libcacard/, $(libcacard-y))
endif # CONFIG_BSD_USER
endif # CONFIG_LINUX_USER
all-obj-$(CONFIG_SMARTCARD_NSS) += $(addprefix ../libcacard/, $(libcacard-y))
nested-vars = obj-y
dummy := $(call unnest-vars)
else
all-obj-y += $(addprefix ../libuser/, $(user-obj-y))
all-obj-y += $(addprefix ../libdis-user/, $(libdis-y))
endif #CONFIG_LINUX_USER
ifdef QEMU_PROGW
# The linker builds a windows executable. Make also a console executable.
$(QEMU_PROGW): $(obj-y)
$(QEMU_PROGW): $(all-obj-y)
$(call LINK,$^)
$(QEMU_PROG): $(QEMU_PROGW)
$(call quiet-command,$(OBJCOPY) --subsystem console $(QEMU_PROGW) $(QEMU_PROG)," GEN $(TARGET_DIR)$(QEMU_PROG)")
else
$(QEMU_PROG): $(obj-y)
$(QEMU_PROG): $(all-obj-y)
$(call LINK,$^)
endif