>>> v4l2loopback 0.12.5 Downloading
wget --passive-ftp -nd -t 3 -O '/home/autobuild/autobuild/instance-9/output-1/build/.v4l2loopback-0.12.5.tar.gz.M2KYQx/output' 'https://github.com/umlaeute/v4l2loopback/archive/v0.12.5/v4l2loopback-0.12.5.tar.gz' 
--2022-08-10 04:29:46--  https://github.com/umlaeute/v4l2loopback/archive/v0.12.5/v4l2loopback-0.12.5.tar.gz
Loaded CA certificate '/etc/ssl/certs/ca-certificates.crt'
Resolving github.com (github.com)... 140.82.112.4
Connecting to github.com (github.com)|140.82.112.4|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://codeload.github.com/umlaeute/v4l2loopback/tar.gz/refs/tags/v0.12.5 [following]
--2022-08-10 04:29:46--  https://codeload.github.com/umlaeute/v4l2loopback/tar.gz/refs/tags/v0.12.5
Resolving codeload.github.com (codeload.github.com)... 140.82.113.9
Connecting to codeload.github.com (codeload.github.com)|140.82.113.9|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [application/x-gzip]
Saving to: '/home/autobuild/autobuild/instance-9/output-1/build/.v4l2loopback-0.12.5.tar.gz.M2KYQx/output'

     0K .......... .......... .......... .......... ..........  471K
    50K                                                         499G=0.1s

2022-08-10 04:29:47 (474 KB/s) - '/home/autobuild/autobuild/instance-9/output-1/build/.v4l2loopback-0.12.5.tar.gz.M2KYQx/output' saved [51468]

v4l2loopback-0.12.5.tar.gz: OK (sha256: e152cd6df6a8add172fb74aca3a9188264823efa5a2317fe960d45880b9406ae)
>>> v4l2loopback 0.12.5 Extracting
mkdir -p /home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host
mkdir -p /home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/target
gzip -d -c /home/autobuild/autobuild/instance-9/dl/v4l2loopback/v4l2loopback-0.12.5.tar.gz | tar --strip-components=1 -C /home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5   -xf -
>>> v4l2loopback 0.12.5 Patching
>>> v4l2loopback 0.12.5 Configuring
mkdir -p /home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host
rsync -a --link-dest=/home/autobuild/autobuild/instance-9/output-1/per-package/host-skeleton/host/ /home/autobuild/autobuild/instance-9/output-1/per-package/host-skeleton/host/ /home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host
rsync -a --link-dest=/home/autobuild/autobuild/instance-9/output-1/per-package/linux/host/ /home/autobuild/autobuild/instance-9/output-1/per-package/linux/host/ /home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host
rsync -a --link-dest=/home/autobuild/autobuild/instance-9/output-1/per-package/skeleton/host/ /home/autobuild/autobuild/instance-9/output-1/per-package/skeleton/host/ /home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host
rsync -a --link-dest=/home/autobuild/autobuild/instance-9/output-1/per-package/toolchain/host/ /home/autobuild/autobuild/instance-9/output-1/per-package/toolchain/host/ /home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host
mkdir -p /home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/target
rsync -a --link-dest=/home/autobuild/autobuild/instance-9/output-1/per-package/host-skeleton/target/ /home/autobuild/autobuild/instance-9/output-1/per-package/host-skeleton/target/ /home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/target
rsync -a --link-dest=/home/autobuild/autobuild/instance-9/output-1/per-package/linux/target/ /home/autobuild/autobuild/instance-9/output-1/per-package/linux/target/ /home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/target
rsync -a --link-dest=/home/autobuild/autobuild/instance-9/output-1/per-package/skeleton/target/ /home/autobuild/autobuild/instance-9/output-1/per-package/skeleton/target/ /home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/target
rsync -a --link-dest=/home/autobuild/autobuild/instance-9/output-1/per-package/toolchain/target/ /home/autobuild/autobuild/instance-9/output-1/per-package/toolchain/target/ /home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/target
>>> v4l2loopback 0.12.5 Building
>>> v4l2loopback 0.12.5 Building kernel module(s)
PATH="/home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host/bin:/home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl" PKG_CONFIG="/home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host/bin/pkg-config" PKG_CONFIG_SYSROOT_DIR="/" PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 PKG_CONFIG_LIBDIR="/home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host/lib/pkgconfig:/home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host/share/pkgconfig" BR_BINARIES_DIR=/home/autobuild/autobuild/instance-9/output-1/images KCFLAGS=-Wno-attribute-alias /usr/bin/make  -C /home/autobuild/autobuild/instance-9/output-1/build/linux-5.17.15 HOSTCC="/usr/bin/gcc -O2 -I/home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host/include -L/home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host/lib -Wl,-rpath,/home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host/lib" ARCH=x86_64 INSTALL_MOD_PATH=/home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/target CROSS_COMPILE="/home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host/bin/x86_64-buildroot-linux-uclibc-" WERROR=0 DEPMOD=/home/autobuild/autobuild/instance-9/output-1/per-package/v4l2loopback/host/sbin/depmod  PWD=/home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/. M=/home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/. modules
make[1]: Entering directory '/home/autobuild/autobuild/instance-9/output-1/build/linux-5.17.15'
  CC [M]  /home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./v4l2loopback.o
  MODPOST /home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./Module.symvers
ERROR: modpost: "video_ioctl2" [/home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./v4l2loopback.ko] undefined!
ERROR: modpost: "__video_register_device" [/home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_ctrl_new_custom" [/home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_ctrl_handler_init_class" [/home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./v4l2loopback.ko] undefined!
ERROR: modpost: "video_device_release" [/home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./v4l2loopback.ko] undefined!
ERROR: modpost: "video_device_alloc" [/home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_device_register" [/home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./v4l2loopback.ko] undefined!
ERROR: modpost: "video_devdata" [/home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_ctrl_handler_free" [/home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_device_unregister" [/home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./v4l2loopback.ko] undefined!
WARNING: modpost: suppressed 1 unresolved symbol warnings because there were too many)
make[2]: *** [scripts/Makefile.modpost:134: /home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./Module.symvers] Error 1
make[2]: *** Deleting file '/home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/./Module.symvers'
make[1]: *** [Makefile:1746: modules] Error 2
make[1]: Leaving directory '/home/autobuild/autobuild/instance-9/output-1/build/linux-5.17.15'
make: *** [package/pkg-generic.mk:294: /home/autobuild/autobuild/instance-9/output-1/build/v4l2loopback-0.12.5/.stamp_built] Error 2
make: Leaving directory '/home/autobuild/autobuild/instance-9/buildroot'