>>> libbpf 0.2 Downloading
wget --passive-ftp -nd -t 3 --no-check-certificate -O '/home/buildroot/autobuild/run/instance-2/output-1/build/.libbpf-0.2.tar.gz.Bv7qCO/output' 'https://github.com/libbpf/libbpf/archive/v0.2/libbpf-0.2.tar.gz' 
--2021-06-11 12:09:13--  https://github.com/libbpf/libbpf/archive/v0.2/libbpf-0.2.tar.gz
Resolving github.com (github.com)... 140.82.121.4
Connecting to github.com (github.com)|140.82.121.4|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://codeload.github.com/libbpf/libbpf/tar.gz/v0.2 [following]
--2021-06-11 12:09:14--  https://codeload.github.com/libbpf/libbpf/tar.gz/v0.2
Resolving codeload.github.com (codeload.github.com)... 140.82.121.9
Connecting to codeload.github.com (codeload.github.com)|140.82.121.9|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [application/x-gzip]
Saving to: '/home/buildroot/autobuild/run/instance-2/output-1/build/.libbpf-0.2.tar.gz.Bv7qCO/output'

     0K .......... .......... .......... .......... .......... 2.77M
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   650K .......... .......... .......... ..                    62.5M=0.1s

2021-06-11 12:09:14 (5.98 MB/s) - '/home/buildroot/autobuild/run/instance-2/output-1/build/.libbpf-0.2.tar.gz.Bv7qCO/output' saved [699136]

libbpf-0.2.tar.gz: OK (sha256: 0f97295987c745eb07c48f8db992f7df307b5cd45c9a20eb352ee6d08cf7bd36)
>>> libbpf 0.2 Extracting
gzip -d -c /home/buildroot/autobuild/run/instance-2/dl/libbpf/libbpf-0.2.tar.gz | tar --strip-components=1 -C /home/buildroot/autobuild/run/instance-2/output-1/build/libbpf-0.2   -xf -
>>> libbpf 0.2 Patching
>>> libbpf 0.2 Configuring
>>> libbpf 0.2 Building
PATH="/home/buildroot/autobuild/run/instance-2/output-1/host/bin:/home/buildroot/autobuild/run/instance-2/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" PATH="/home/buildroot/autobuild/run/instance-2/output-1/host/bin:/home/buildroot/autobuild/run/instance-2/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" AR="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-ar" AS="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-as" LD="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-ld" NM="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-nm" CC="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-gcc" GCC="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-gcc" CPP="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-cpp" CXX="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-g++" FC="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-gfortran" F77="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-gfortran" RANLIB="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-ranlib" READELF="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-readelf" STRIP="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-strip" OBJCOPY="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-objcopy" OBJDUMP="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-objdump" AR_FOR_BUILD="/usr/bin/ar" AS_FOR_BUILD="/usr/bin/as" CC_FOR_BUILD="/usr/bin/gcc" GCC_FOR_BUILD="/usr/bin/gcc" CXX_FOR_BUILD="/usr/bin/g++" LD_FOR_BUILD="/usr/bin/ld" CPPFLAGS_FOR_BUILD="-I/home/buildroot/autobuild/run/instance-2/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/run/instance-2/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/run/instance-2/output-1/host/include" LDFLAGS_FOR_BUILD="-L/home/buildroot/autobuild/run/instance-2/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/run/instance-2/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-as" DEFAULT_LINKER="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/arm-none-linux-gnueabi-ld" CPPFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64" CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0 -DNDEBUG -D_FORTIFY_SOURCE=1" CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0 -DNDEBUG -D_FORTIFY_SOURCE=1" LDFLAGS="" FCFLAGS=" -Os -g0 -DNDEBUG" FFLAGS=" -Os -g0 -DNDEBUG" PKG_CONFIG="/home/buildroot/autobuild/run/instance-2/output-1/host/bin/pkg-config" STAGING_DIR="/home/buildroot/autobuild/run/instance-2/output-1/host/arm-buildroot-linux-gnueabi/sysroot" INTLTOOL_PERL=/usr/bin/perl /usr/bin/make -j4 -C /home/buildroot/autobuild/run/instance-2/output-1/build/libbpf-0.2/src
make[1]: Entering directory `/home/buildroot/autobuild/run/instance-2/output-1/build/libbpf-0.2/src'
  MKDIR    staticobjs
  MKDIR    sharedobjs
  CC       bpf.o
  CC       btf.o
  CC       libbpf.o
  CC       libbpf_errno.o
bpf.c:53:4: error: #error __NR_bpf not defined. libbpf does not support your arch.
 #  error __NR_bpf not defined. libbpf does not support your arch.
    ^
bpf.c: In function 'sys_bpf':
bpf.c:65:17: error: '__NR_bpf' undeclared (first use in this function)
  return syscall(__NR_bpf, cmd, attr, size);
                 ^
bpf.c:65:17: note: each undeclared identifier is reported only once for each function it appears in
  CC       netlink.o
make[1]: *** [staticobjs/bpf.o] Error 1
make[1]: *** Waiting for unfinished jobs....
libbpf.c: In function 'bpf_program__attach_perf_event':
libbpf.c:9228:17: error: 'PERF_EVENT_IOC_SET_BPF' undeclared (first use in this function)
  if (ioctl(pfd, PERF_EVENT_IOC_SET_BPF, prog_fd) < 0) {
                 ^
libbpf.c:9228:17: note: each undeclared identifier is reported only once for each function it appears in
libbpf.c: In function 'perf_event_open_probe':
libbpf.c:9342:28: error: 'PERF_FLAG_FD_CLOEXEC' undeclared (first use in this function)
         -1 /* group_fd */, PERF_FLAG_FD_CLOEXEC);
                            ^
libbpf.c: In function 'perf_event_open_tracepoint':
libbpf.c:9463:28: error: 'PERF_FLAG_FD_CLOEXEC' undeclared (first use in this function)
         -1 /* group_fd */, PERF_FLAG_FD_CLOEXEC);
                            ^
libbpf.c: In function 'perf_buffer__open_cpu_buf':
libbpf.c:9956:14: error: 'PERF_FLAG_FD_CLOEXEC' undeclared (first use in this function)
          -1, PERF_FLAG_FD_CLOEXEC);
              ^
libbpf.c: In function 'perf_buffer__new':
libbpf.c:9998:16: error: 'PERF_COUNT_SW_BPF_OUTPUT' undeclared (first use in this function)
  attr.config = PERF_COUNT_SW_BPF_OUTPUT;
                ^
make[1]: *** [staticobjs/libbpf.o] Error 1
make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-2/output-1/build/libbpf-0.2/src'
make: *** [/home/buildroot/autobuild/run/instance-2/output-1/build/libbpf-0.2/.stamp_built] Error 2
make: Leaving directory `/home/buildroot/autobuild/run/instance-2/buildroot'