(was isdn.a before, but there's no need to use an archive here)
DRIVERS-$(CONFIG_AGP) += drivers/char/agp/agp.o
DRIVERS-$(CONFIG_DRM) += drivers/char/drm/drm.o
DRIVERS-$(CONFIG_NUBUS) += drivers/nubus/nubus.a
-DRIVERS-$(CONFIG_ISDN) += drivers/isdn/isdn.a
+DRIVERS-$(CONFIG_ISDN) += drivers/isdn/vmlinux-obj.o
DRIVERS-$(CONFIG_NET_FC) += drivers/net/fc/fc.o
DRIVERS-$(CONFIG_APPLETALK) += drivers/net/appletalk/appletalk.o
DRIVERS-$(CONFIG_TR) += drivers/net/tokenring/tr.o
# The target object and module list name.
-O_TARGET := isdn.a
+O_TARGET := vmlinux-obj.o
# Objects that export symbols.