>>> v4l2loopback 0.12.7 Downloading
wget --passive-ftp -nd -t 3 -O '/home/autobuild/autobuild/instance-7/output-1/build/.v4l2loopback-0.12.7.tar.gz.g2w2QJ/output' 'https://github.com/umlaeute/v4l2loopback/archive/v0.12.7/v4l2loopback-0.12.7.tar.gz' 
--2023-03-19 12:02:53--  https://github.com/umlaeute/v4l2loopback/archive/v0.12.7/v4l2loopback-0.12.7.tar.gz
Loaded CA certificate '/etc/ssl/certs/ca-certificates.crt'
Resolving github.com (github.com)... 140.82.114.3
Connecting to github.com (github.com)|140.82.114.3|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://codeload.github.com/umlaeute/v4l2loopback/tar.gz/refs/tags/v0.12.7 [following]
--2023-03-19 12:02:53--  https://codeload.github.com/umlaeute/v4l2loopback/tar.gz/refs/tags/v0.12.7
Resolving codeload.github.com (codeload.github.com)... 140.82.113.10
Connecting to codeload.github.com (codeload.github.com)|140.82.113.10|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [application/x-gzip]
Saving to: '/home/autobuild/autobuild/instance-7/output-1/build/.v4l2loopback-0.12.7.tar.gz.g2w2QJ/output'

     0K .......... .......... .......... .......... ..........  490K
    50K                                                        48.6M=0.1s

2023-03-19 12:02:54 (499 KB/s) - '/home/autobuild/autobuild/instance-7/output-1/build/.v4l2loopback-0.12.7.tar.gz.g2w2QJ/output' saved [52145]

v4l2loopback-0.12.7.tar.gz: OK (sha256: e0782b8abe8f2235e2734f725dc1533a0729e674c4b7834921ade43b9f04939b)
>>> v4l2loopback 0.12.7 Extracting
gzip -d -c /home/autobuild/autobuild/instance-7/dl/v4l2loopback/v4l2loopback-0.12.7.tar.gz | tar --strip-components=1 -C /home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7   -xf -
>>> v4l2loopback 0.12.7 Patching
>>> v4l2loopback 0.12.7 Configuring
>>> v4l2loopback 0.12.7 Building
>>> v4l2loopback 0.12.7 Building kernel module(s)
PATH="/home/autobuild/autobuild/instance-7/output-1/host/bin:/home/autobuild/autobuild/instance-7/output-1/host/sbin:/home/autobuild/make:/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-7/output-1/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-7/output-1/host/lib/pkgconfig:/home/autobuild/autobuild/instance-7/output-1/host/share/pkgconfig" BR_BINARIES_DIR=/home/autobuild/autobuild/instance-7/output-1/images KCFLAGS=-Wno-attribute-alias /home/autobuild/make/make -j1 -C /home/autobuild/autobuild/instance-7/output-1/build/linux-5.10.162-cip24 HOSTCC="/usr/bin/gcc -O2 -isystem /home/autobuild/autobuild/instance-7/output-1/host/include -L/home/autobuild/autobuild/instance-7/output-1/host/lib -Wl,-rpath,/home/autobuild/autobuild/instance-7/output-1/host/lib" ARCH=sparc64 INSTALL_MOD_PATH=/home/autobuild/autobuild/instance-7/output-1/target CROSS_COMPILE="/home/autobuild/autobuild/instance-7/output-1/host/bin/sparc64-buildroot-linux-gnu-" WERROR=0 REGENERATE_PARSERS=1 DEPMOD=/home/autobuild/autobuild/instance-7/output-1/host/sbin/depmod  PWD=/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/. M=/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/. modules
make[1]: Entering directory '/home/autobuild/autobuild/instance-7/output-1/build/linux-5.10.162-cip24'
  CC [M]  /home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.o
  MODPOST /home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./Module.symvers
ERROR: modpost: "video_ioctl2" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_event_unsubscribe" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "__video_register_device" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_ctrl_new_custom" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_ctrl_handler_init_class" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "video_device_alloc" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_device_register" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "video_device_release" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_event_pending" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_fh_add" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_fh_init" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_fh_exit" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_fh_del" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "video_devdata" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_ctrl_handler_free" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_device_unregister" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "video_unregister_device" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
ERROR: modpost: "v4l2_ctrl_subscribe_event" [/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./v4l2loopback.ko] undefined!
make[2]: *** [scripts/Makefile.modpost:123: /home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./Module.symvers] Error 1
make[2]: *** Deleting file '/home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/./Module.symvers'
make[1]: *** [Makefile:1741: modules] Error 2
make[1]: Leaving directory '/home/autobuild/autobuild/instance-7/output-1/build/linux-5.10.162-cip24'
make: *** [package/pkg-generic.mk:294: /home/autobuild/autobuild/instance-7/output-1/build/v4l2loopback-0.12.7/.stamp_built] Error 2
make: Leaving directory '/home/autobuild/autobuild/instance-7/buildroot'