>>> host-libbpf 0.7.0 Extracting
gzip -d -c /home/buildroot/autobuild/run/instance-3/dl/libbpf/libbpf-0.7.0.tar.gz | tar --strip-components=1 -C /home/buildroot/autobuild/run/instance-3/output-1/build/host-libbpf-0.7.0   -xf -
>>> host-libbpf 0.7.0 Patching
>>> host-libbpf 0.7.0 Configuring
>>> host-libbpf 0.7.0 Building
>>> host-libbpf 0.7.0 Installing to host directory
PATH="/home/buildroot/autobuild/run/instance-3/output-1/host/bin:/home/buildroot/autobuild/run/instance-3/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" PKG_CONFIG="/home/buildroot/autobuild/run/instance-3/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/buildroot/autobuild/run/instance-3/output-1/host/lib/pkgconfig:/home/buildroot/autobuild/run/instance-3/output-1/host/share/pkgconfig" PATH="/home/buildroot/autobuild/run/instance-3/output-1/host/bin:/home/buildroot/autobuild/run/instance-3/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" PKG_CONFIG="/home/buildroot/autobuild/run/instance-3/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/buildroot/autobuild/run/instance-3/output-1/host/lib/pkgconfig:/home/buildroot/autobuild/run/instance-3/output-1/host/share/pkgconfig" AR="/usr/bin/ar" AS="/usr/bin/as" LD="/usr/bin/ld" NM="/usr/bin/nm" CC="/usr/bin/gcc" GCC="/usr/bin/gcc" CXX="/usr/bin/g++" CPP="/usr/bin/cpp" OBJCOPY="/usr/bin/objcopy" RANLIB="/usr/bin/ranlib" CPPFLAGS="-I/home/buildroot/autobuild/run/instance-3/output-1/host/include" CFLAGS="-O2 -I/home/buildroot/autobuild/run/instance-3/output-1/host/include" CXXFLAGS="-O2 -I/home/buildroot/autobuild/run/instance-3/output-1/host/include" LDFLAGS="-L/home/buildroot/autobuild/run/instance-3/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/run/instance-3/output-1/host/lib" INTLTOOL_PERL=/usr/bin/perl /usr/bin/make -j4 -C /home/buildroot/autobuild/run/instance-3/output-1/build/host-libbpf-0.7.0/src install install_uapi_headers DESTDIR=/home/buildroot/autobuild/run/instance-3/output-1/host
make[1]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/host-libbpf-0.7.0/src'
  MKDIR    staticobjs
  MKDIR    sharedobjs
  INSTALL  bpf.h libbpf.h btf.h libbpf_common.h libbpf_legacy.h xsk.h bpf_helpers.h bpf_helper_defs.h bpf_tracing.h bpf_endian.h bpf_core_read.h skel_internal.h libbpf_version.h
  INSTALL  ../include/uapi/linux/bpf.h ../include/uapi/linux/bpf_common.h ../include/uapi/linux/btf.h
  CC       staticobjs/bpf.o
  CC       staticobjs/btf.o
  CC       staticobjs/libbpf.o
  CC       staticobjs/libbpf_errno.o
  CC       staticobjs/netlink.o
  CC       staticobjs/nlattr.o
  CC       staticobjs/str_error.o
  CC       staticobjs/libbpf_probes.o
  CC       staticobjs/bpf_prog_linfo.o
  CC       staticobjs/xsk.o
  CC       staticobjs/btf_dump.o
  CC       staticobjs/hashmap.o
  CC       staticobjs/ringbuf.o
  CC       staticobjs/strset.o
  CC       staticobjs/linker.o
  CC       staticobjs/gen_loader.o
  CC       staticobjs/relo_core.o
In file included from gen_loader.c:15:0:
skel_internal.h: In function 'skel_sys_bpf':
skel_internal.h:63:17: error: '__NR_bpf' undeclared (first use in this function)
  return syscall(__NR_bpf, cmd, attr, size);
                 ^
skel_internal.h:63:17: note: each undeclared identifier is reported only once for each function it appears in
make[1]: *** [staticobjs/gen_loader.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/host-libbpf-0.7.0/src'
make: *** [/home/buildroot/autobuild/run/instance-3/output-1/build/host-libbpf-0.7.0/.stamp_host_installed] Error 2
make: Leaving directory `/home/buildroot/autobuild/run/instance-3/buildroot'