build: remove extra-obj-y

extra-obj-y is somewhat complicated to understand.  Replace it with a
special CONFIG_ALL symbol that is defined only at toplevel.
This limits the case of directories defining more than one
*-obj-y target.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Paolo Bonzini 2013-01-19 11:06:48 +01:00 committed by Blue Swirl
parent 000823449c
commit 82cb6b041c
5 changed files with 8 additions and 12 deletions

View file

@ -1,10 +1,10 @@
ifeq ($(CONFIG_REALLY_VIRTFS),y)
common-obj-y = qemu-fsdev.o virtio-9p-marshal.o
# Toplevel always builds this; targets without virtio will put it in
# common-obj-y
extra-obj-y = qemu-fsdev-dummy.o
else
common-obj-y = qemu-fsdev-dummy.o
endif
common-obj-y += qemu-fsdev-opts.o
# Toplevel always builds this; targets without virtio will put it in
# common-obj-y
common-obj-$(CONFIG_ALL) += qemu-fsdev-dummy.o