tools/virtio/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 all: test mod
   3 test: virtio_test vringh_test vhost_net_test
   4 virtio_test: virtio_ring.o virtio_test.o
   5 vringh_test: vringh_test.o vringh.o virtio_ring.o
   6 vhost_net_test: virtio_ring.o vhost_net_test.o
   7
   8 try-run = $(shell set -e;               \
   9         if ($(1)) >/dev/null 2>&1;      \
  10         then echo "$(2)";               \
  11         else echo "$(3)";               \
  12         fi)
  13
  14 __cc-option = $(call try-run,\
  15         $(1) -Werror $(2) -c -x c /dev/null -o /dev/null,$(2),)
  16 cc-option = $(call __cc-option, $(CC),$(1))
  17
  18 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)
  19
  20 CFLAGS += -pthread
  21 LDFLAGS += -pthread
  22 vpath %.c ../../drivers/virtio ../../drivers/vhost
  23 mod:
  24         ${MAKE} -C `pwd`/../.. M=`pwd`/vhost_test V=${V}
  25
  26 #oot: build vhost as an out of tree module for a distro kernel
  27 #no effort is taken to make it actually build or work, but tends to mostly work
  28 #if the distro kernel is very close to upstream
  29 #unsupported! this is a development tool only, don't use the
  30 #resulting modules in production!
  31 OOT_KSRC=/lib/modules/$$(uname -r)/build
  32 OOT_VHOST=`pwd`/../../drivers/vhost
  33 #Everyone depends on vhost
  34 #Tweak the below to enable more modules
  35 OOT_CONFIGS=\
  36         CONFIG_VHOST=m \
  37         CONFIG_VHOST_NET=n \
  38         CONFIG_VHOST_SCSI=n \
  39         CONFIG_VHOST_VSOCK=n \
  40         CONFIG_VHOST_RING=n
  41 OOT_BUILD=KCFLAGS="-I "${OOT_VHOST} ${MAKE} -C ${OOT_KSRC} V=${V}
  42 oot-build:
  43         echo "UNSUPPORTED! Don't use the resulting modules in production!"
  44         ${OOT_BUILD} M=`pwd`/vhost_test
  45         ${OOT_BUILD} M=${OOT_VHOST} ${OOT_CONFIGS}
  46
  47 oot-clean: oot-build
  48 oot: oot-build
  49 oot-clean: OOT_BUILD+=clean
  50
  51 .PHONY: all test mod clean vhost oot oot-clean oot-build
  52 clean:
  53         ${RM} *.o vringh_test virtio_test vhost_net_test vhost_test/*.o \
  54               vhost_test/.*.cmd vhost_test/Module.symvers \
  55               vhost_test/modules.order *.d
  56 -include *.d