diff options
| -rw-r--r-- | tools/virtio/Makefile | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/tools/virtio/Makefile b/tools/virtio/Makefile index 7b7139d97d74..d128925980e0 100644 --- a/tools/virtio/Makefile +++ b/tools/virtio/Makefile @@ -4,7 +4,18 @@ test: virtio_test vringh_test virtio_test: virtio_ring.o virtio_test.o vringh_test: vringh_test.o vringh.o virtio_ring.o -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 -mfunction-return=thunk -fcf-protection=none -mindirect-branch-register +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 |