>>> kvmtool 4d2c017f41533b0e51e00f689050c26190a15318 Extracting
gzip -d -c /home/buildroot/instance-0/dl/kvmtool/kvmtool-4d2c017f41533b0e51e00f689050c26190a15318-git4.tar.gz | /home/buildroot/instance-0/output-1/host/bin/tar --strip-components=1 -C /home/buildroot/instance-0/output-1/build/kvmtool-4d2c017f41533b0e51e00f689050c26190a15318   -xf -
>>> kvmtool 4d2c017f41533b0e51e00f689050c26190a15318 Patching
>>> kvmtool 4d2c017f41533b0e51e00f689050c26190a15318 Configuring
>>> kvmtool 4d2c017f41533b0e51e00f689050c26190a15318 Building
GIT_DIR=. PATH="/home/buildroot/instance-0/output-1/host/bin:/home/buildroot/instance-0/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" ARCH=riscv /usr/bin/make -j17 -C /home/buildroot/instance-0/output-1/build/kvmtool-4d2c017f41533b0e51e00f689050c26190a15318 CROSS_COMPILE="/home/buildroot/instance-0/output-1/host/bin/riscv32-linux-" LDFLAGS=" " WERROR=0
make[1]: Entering directory '/home/buildroot/instance-0/output-1/build/kvmtool-4d2c017f41533b0e51e00f689050c26190a15318'
Makefile:391: Skipping optional libraries: bfd
Makefile:391: Skipping optional libraries: bfd
  CC       builtin-balloon.o
  CC       builtin-debug.o
  CC       builtin-help.o
  CC       builtin-list.o
  CC       builtin-stat.o
  CC       builtin-pause.o
  CC       builtin-resume.o
  CC       builtin-run.o
  CC       builtin-setup.o
  CC       builtin-stop.o
  CC       builtin-version.o
  CC       devices.o
  CC       disk/core.o
  CC       framebuffer.o
  CC       guest_compat.o
  CC       hw/rtc.o
  CC       irq.o
  CC       kvm-cpu.o
  CC       kvm.o
  CC       main.o
  CC       mmio.o
  CC       pci.o
  CC       term.o
  CC       vfio/core.o
  CC       vfio/pci.o
  CC       virtio/blk.o
  CC       virtio/scsi.o
  CC       virtio/console.o
  CC       virtio/core.o
  CC       virtio/net.o
  CC       virtio/rng.o
  CC       virtio/balloon.o
  CC       virtio/pci.o
  CC       virtio/vsock.o
  CC       virtio/pci-legacy.o
  CC       virtio/pci-modern.o
  CC       virtio/vhost.o
  CC       disk/blk.o
  CC       disk/qcow.o
  CC       disk/raw.o
  CC       epoll.o
  CC       ioeventfd.o
  CC       net/uip/core.o
  CC       net/uip/arp.o
  CC       net/uip/icmp.o
  CC       net/uip/ipv4.o
  CC       net/uip/tcp.o
  CC       net/uip/udp.o
  CC       net/uip/buf.o
  CC       net/uip/csum.o
  CC       net/uip/dhcp.o
  CC       kvm-cmd.o
  CC       util/bitmap.o
  CC       util/find.o
  CC       util/init.o
  CC       util/iovec.o
  CC       util/rbtree.o
  CC       util/threadpool.o
  CC       util/parse-options.o
  CC       util/rbtree-interval.o
  CC       util/strbuf.o
  CC       util/read-write.o
  CC       util/util.o
  CC       virtio/9p.o
  CC       virtio/9p-pdu.o
  CC       kvm-ipc.o
  CC       builtin-sandbox.o
  CC       virtio/mmio.o
  CC       virtio/mmio-legacy.o
  CC       virtio/mmio-modern.o
  CC       hw/serial.o
  CC       riscv/fdt.o
  CC       riscv/ioport.o
  CC       riscv/irq.o
  CC       riscv/kvm.o
  CC       riscv/kvm-cpu.o
  CC       riscv/pci.o
  CC       riscv/plic.o
  CC       riscv/aia.o
  CC       disk/aio.o
  COMPILE  guest/init
  CONVERT  guest/guest_init.c
  CC       guest/guest_init.o
  LINK     lkvm
/home/buildroot/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/riscv32-buildroot-linux-gnu/13.2.0/../../../../riscv32-buildroot-linux-gnu/bin/ld: disk/aio.o: in function `disk_aio_get_events':
/home/buildroot/instance-0/output-1/build/kvmtool-4d2c017f41533b0e51e00f689050c26190a15318/disk/aio.c:95:(.text+0xf8): undefined reference to `__sync_fetch_and_sub_8'
/home/buildroot/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/riscv32-buildroot-linux-gnu/13.2.0/../../../../riscv32-buildroot-linux-gnu/bin/ld: /home/buildroot/instance-0/output-1/build/kvmtool-4d2c017f41533b0e51e00f689050c26190a15318/disk/aio.c:95:(.text+0x110): undefined reference to `__sync_fetch_and_sub_8'
/home/buildroot/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/riscv32-buildroot-linux-gnu/13.2.0/../../../../riscv32-buildroot-linux-gnu/bin/ld: disk/aio.o: in function `raw_image__read_async':
/home/buildroot/instance-0/output-1/build/kvmtool-4d2c017f41533b0e51e00f689050c26190a15318/disk/aio.c:43:(.text+0x2c0): undefined reference to `__sync_fetch_and_add_8'
/home/buildroot/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/riscv32-buildroot-linux-gnu/13.2.0/../../../../riscv32-buildroot-linux-gnu/bin/ld: /home/buildroot/instance-0/output-1/build/kvmtool-4d2c017f41533b0e51e00f689050c26190a15318/disk/aio.c:46:(.text+0x32c): undefined reference to `__sync_fetch_and_sub_8'
/home/buildroot/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/riscv32-buildroot-linux-gnu/13.2.0/../../../../riscv32-buildroot-linux-gnu/bin/ld: disk/aio.o: in function `raw_image__write_async':
/home/buildroot/instance-0/output-1/build/kvmtool-4d2c017f41533b0e51e00f689050c26190a15318/disk/aio.c:56:(.text+0x3f0): undefined reference to `__sync_fetch_and_add_8'
/home/buildroot/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/riscv32-buildroot-linux-gnu/13.2.0/../../../../riscv32-buildroot-linux-gnu/bin/ld: /home/buildroot/instance-0/output-1/build/kvmtool-4d2c017f41533b0e51e00f689050c26190a15318/disk/aio.c:61:(.text+0x45c): undefined reference to `__sync_fetch_and_sub_8'
collect2: error: ld returned 1 exit status
make[1]: *** [Makefile:462: lkvm] Error 1
make[1]: Leaving directory '/home/buildroot/instance-0/output-1/build/kvmtool-4d2c017f41533b0e51e00f689050c26190a15318'
make: *** [package/pkg-generic.mk:283: /home/buildroot/instance-0/output-1/build/kvmtool-4d2c017f41533b0e51e00f689050c26190a15318/.stamp_built] Error 2
make: Leaving directory '/home/buildroot/instance-0/buildroot'