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- # SPDX-License-Identifier: GPL-2.0
- all: test mod
- test: virtio_test vringh_test vhost_net_test
- virtio_test: virtio_ring.o virtio_test.o
- vringh_test: vringh_test.o vringh.o virtio_ring.o
- vhost_net_test: virtio_ring.o vhost_net_test.o
- try-run = $(shell set -e; \
- if ($(1)) >/dev/null 2>&1; \
- then echo "$(2)"; \
- else echo "$(3)"; \
- fi)
- __cc-option = $(call try-run,\
- $(1) -Werror $(2) -c -x c /dev/null -o /dev/null,$(2),)
- cc-option = $(call __cc-option, $(CC),$(1))
- CFLAGS += -g -O2 -Werror -Wno-maybe-uninitialized -Wall -I. -I../include/ -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE -include ../../include/linux/kconfig.h $(call cc-option,-mfunction-return=thunk) $(call cc-option,-fcf-protection=none) $(call cc-option,-mindirect-branch-register)
- CFLAGS += -pthread
- LDFLAGS += -pthread
- vpath %.c ../../drivers/virtio ../../drivers/vhost
- BUILD=KCFLAGS="-I "`pwd`/../../drivers/vhost ${MAKE} -C `pwd`/../.. V=${V}
- mod:
- ${BUILD} M=`pwd`/vhost_test
- #oot: build vhost as an out of tree module for a distro kernel
- #no effort is taken to make it actually build or work, but tends to mostly work
- #if the distro kernel is very close to upstream
- #unsupported! this is a development tool only, don't use the
- #resulting modules in production!
- OOT_KSRC=/lib/modules/$$(uname -r)/build
- OOT_VHOST=`pwd`/../../drivers/vhost
- #Everyone depends on vhost
- #Tweak the below to enable more modules
- OOT_CONFIGS=\
- CONFIG_VHOST=m \
- CONFIG_VHOST_NET=n \
- CONFIG_VHOST_SCSI=n \
- CONFIG_VHOST_VSOCK=n \
- CONFIG_VHOST_RING=n \
- CONFIG_VHOST_VDPA=n
- OOT_BUILD=KCFLAGS="-include "`pwd`"/oot-stubs.h -I "${OOT_VHOST} ${MAKE} -C ${OOT_KSRC} V=${V}
- oot-build:
- echo "UNSUPPORTED! Don't use the resulting modules in production!"
- ${OOT_BUILD} M=`pwd`/vhost_test
- ${OOT_BUILD} M=${OOT_VHOST} ${OOT_CONFIGS}
- oot-clean: oot-build
- oot: oot-build
- oot-clean: OOT_BUILD+=clean
- .PHONY: all test mod clean vhost oot oot-clean oot-build
- clean:
- ${RM} *.o vringh_test virtio_test vhost_net_test vhost_test/*.o \
- vhost_test/.*.cmd vhost_test/Module.symvers \
- vhost_test/modules.order *.d
- -include *.d
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