unicorn/qemu/Makefile.objs
Daniel P. Berrange 4c726ca49b
crypto: move crypto objects out of libqemuutil.la
Future patches will be adding more crypto related APIs which
rely on QOM infrastructure. This creates a problem, because
QOM relies on library constructors to register objects. When
you have a file in a static .a library though which is only
referenced by a constructor the linker is dumb and will drop
that file when linking to the final executable :-( The only
workaround for this is to link the .a library to the executable
using the -Wl,--whole-archive flag, but this creates its own
set of problems because QEMU is relying on lazy linking for
libqemuutil.a. Using --whole-archive majorly increases the
size of final executables as they now contain a bunch of
object code they don't actually use.

The least bad option is to thus not include the crypto objects
in libqemuutil.la, and instead define a crypto-obj-y variable
that is referenced directly by all the executables that need
this code (tools + softmmu, but not qemu-ga). We avoid pulling
entire of crypto-obj-y into the userspace emulators as that
would force them to link to gnutls too, which is not required.

Backports commit fb37726db77b21f3731b90693d2c93ade1777528 from qemu
2018-02-17 15:23:50 -05:00

35 lines
1.2 KiB
Makefile

#######################################################################
# Common libraries for tools and emulators
util-obj-y = util/ qobject/ qapi/ qapi-types.o qapi-visit.o
#######################################################################
# block-obj-y is code used by both qemu system emulation and qemu-img
block-obj-y =
block-obj-y += ../uc.o ../list.o glib_compat.o
#######################################################################
# crypto-obj-y is code used by both qemu system emulation and qemu-img
crypto-obj-y = crypto/
crypto-aes-obj-y = crypto/
#######################################################################
# Target independent part of system emulation. The long term path is to
# suppress *all* target specific code in case of system emulation, i.e. a
# single QEMU executable should support all CPUs and machines.
ifeq ($(CONFIG_SOFTMMU),y)
common-obj-y += hw/
common-obj-y += accel.o
common-obj-y += vl.o qemu-timer.o
endif
#######################################################################
# Target-independent parts used in system and user emulation
common-obj-y += qemu-log.o
common-obj-y += tcg-runtime.o
common-obj-y += hw/
common-obj-y += qom/