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    Subject[PATCH 5.17 034/158] tools/virtio: compile with -pthread
    Date
    From: Michael S. Tsirkin <mst@redhat.com>

    [ Upstream commit f03560a57c1f60db6ac23ffd9714e1c69e2f95c7 ]

    When using pthreads, one has to compile and link with -lpthread,
    otherwise e.g. glibc is not guaranteed to be reentrant.

    This replaces -lpthread.

    Reported-by: Matthew Wilcox <willy@infradead.org>
    Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    tools/virtio/Makefile | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    diff --git a/tools/virtio/Makefile b/tools/virtio/Makefile
    index 0d7bbe49359d..1b25cc7c64bb 100644
    --- a/tools/virtio/Makefile
    +++ b/tools/virtio/Makefile
    @@ -5,7 +5,8 @@ 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
    -LDFLAGS += -lpthread
    +CFLAGS += -pthread
    +LDFLAGS += -pthread
    vpath %.c ../../drivers/virtio ../../drivers/vhost
    mod:
    ${MAKE} -C `pwd`/../.. M=`pwd`/vhost_test V=${V}
    --
    2.35.1


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