>>> bpftool v7.1.0 Downloading
GIT_DIR=/home/buildroot/autobuild/instance-2/dl/bpftool/git/.git git init . 
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint: 
hint: 	git config --global init.defaultBranch <name>
hint: 
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint: 
hint: 	git branch -m <name>
Initialized empty Git repository in /home/buildroot/autobuild/instance-2/dl/bpftool/git/.git/
GIT_DIR=/home/buildroot/autobuild/instance-2/dl/bpftool/git/.git git remote add origin 'https://github.com/libbpf/bpftool' 
GIT_DIR=/home/buildroot/autobuild/instance-2/dl/bpftool/git/.git git remote set-url origin 'https://github.com/libbpf/bpftool' 
Fetching all references
GIT_DIR=/home/buildroot/autobuild/instance-2/dl/bpftool/git/.git git fetch origin 
From https://github.com/libbpf/bpftool
 * [new branch]      main              -> origin/main
 * [new branch]      snapshot/v7.2.0-snapshot.0 -> origin/snapshot/v7.2.0-snapshot.0
 * [new tag]         v7.2.0-snapshot.0 -> v7.2.0-snapshot.0
 * [new tag]         v6.7.0            -> v6.7.0
 * [new tag]         v6.8.0            -> v6.8.0
 * [new tag]         v7.0.0            -> v7.0.0
 * [new tag]         v7.1.0            -> v7.1.0
 * [new tag]         v7.2.0            -> v7.2.0
 * [new tag]         v7.3.0            -> v7.3.0
 * [new tag]         v7.4.0            -> v7.4.0
GIT_DIR=/home/buildroot/autobuild/instance-2/dl/bpftool/git/.git git fetch origin -t -f 
Could not fetch special ref 'v7.1.0'; assuming it is not special.
GIT_DIR=/home/buildroot/autobuild/instance-2/dl/bpftool/git/.git git submodule --quiet foreach 'printf "Deregistering submodule \"%s\"\n" "${path}" && cd .. && rm -rf "${path##*/}"' 
GIT_DIR=/home/buildroot/autobuild/instance-2/dl/bpftool/git/.git git checkout -f -q 'v7.1.0' 
GIT_DIR=/home/buildroot/autobuild/instance-2/dl/bpftool/git/.git git clean -ffdx 
GIT_DIR=/home/buildroot/autobuild/instance-2/dl/bpftool/git/.git git submodule update --init --recursive 
Submodule 'libbpf' (https://github.com/libbpf/libbpf.git) registered for path 'libbpf'
Cloning into '/home/buildroot/autobuild/instance-2/dl/bpftool/git/libbpf'...
Submodule path 'libbpf': checked out 'e3a40329bb05a333fc588e3bf50365a554fda0a6'
bpftool-v7.1.0-git4.tar.gz: OK (sha256: 89d3ce783d5c9e40b9060b380869911ee9d5ab6732a4b1dd19a90103c5e41e6c)
>>> bpftool v7.1.0 Extracting
gzip -d -c /home/buildroot/autobuild/instance-2/dl/bpftool/bpftool-v7.1.0-git4.tar.gz | /home/buildroot/autobuild/instance-2/output-1/host/bin/tar --strip-components=1 -C /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0   -xf -
>>> bpftool v7.1.0 Patching
>>> bpftool v7.1.0 Configuring
>>> bpftool v7.1.0 Building
GIT_DIR=. PATH="/home/buildroot/autobuild/instance-2/output-1/host/bin:/home/buildroot/autobuild/instance-2/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin" GIT_DIR=. PATH="/home/buildroot/autobuild/instance-2/output-1/host/bin:/home/buildroot/autobuild/instance-2/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin" AR="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-gcc-ar" AS="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-as" LD="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-ld" NM="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-gcc-nm" CC="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-gcc" GCC="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-gcc" CPP="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-cpp" CXX="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-g++" FC="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-gfortran" F77="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-gfortran" RANLIB="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-gcc-ranlib" READELF="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-readelf" STRIP="/bin/true" OBJCOPY="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-objcopy" OBJDUMP="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-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/instance-2/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/instance-2/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/instance-2/output-1/host/include" LDFLAGS_FOR_BUILD="-L/home/buildroot/autobuild/instance-2/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/instance-2/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-as" DEFAULT_LINKER="/home/buildroot/autobuild/instance-2/output-1/host/bin/x86_64-buildroot-linux-gnu-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  -O2 -g0 -D_FORTIFY_SOURCE=3" CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0 -D_FORTIFY_SOURCE=3" LDFLAGS="" FCFLAGS=" -O2 -g0" FFLAGS=" -O2 -g0" PKG_CONFIG="/home/buildroot/autobuild/instance-2/output-1/host/bin/pkg-config" STAGING_DIR="/home/buildroot/autobuild/instance-2/output-1/host/x86_64-buildroot-linux-gnu/sysroot" INTLTOOL_PERL=/usr/bin/perl /usr/bin/make -j4 -C /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src
make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src'
...                        libbfd: [ on  ]
...               clang-bpf-co-re: [ on  ]
...                          llvm: [ on  ]
...                        libcap: [ on  ]
  MKDIR    /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/
  MKDIR    /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/include/bpf
  MKDIR    /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/include/bpf
  MKDIR    /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/bootstrap/
  MKDIR    /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/
  INSTALL  /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/include/bpf/hashmap.h
  INSTALL  /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/include/bpf/relo_core.h
  INSTALL  /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/include/bpf/libbpf_internal.h
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/libbpf/src'
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/libbpf/src'
  INSTALL  /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/include/bpf/hashmap.h
  INSTALL  /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/include/bpf/nlattr.h
  INSTALL  /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/include/bpf/relo_core.h
  MKDIR    /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs
  INSTALL  /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/include/bpf/libbpf_internal.h
  INSTALL  bpf.h libbpf.h btf.h libbpf_common.h libbpf_legacy.h bpf_helpers.h bpf_helper_defs.h bpf_tracing.h bpf_endian.h bpf_core_read.h skel_internal.h libbpf_version.h usdt.bpf.h
  MKDIR    /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs
  INSTALL  bpf.h libbpf.h btf.h libbpf_common.h libbpf_legacy.h bpf_helpers.h bpf_helper_defs.h bpf_tracing.h bpf_endian.h bpf_core_read.h skel_internal.h libbpf_version.h usdt.bpf.h
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/bpf.o
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/bpf.o
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/btf.o
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/libbpf.o
bpf.c: In function 'alloc_zero_tailing_info':
bpf.c:219:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  219 |         for (i = 0; i < cnt; i++) {
      |                       ^
bpf.c: In function 'alloc_zero_tailing_info':
bpf.c:219:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  219 |         for (i = 0; i < cnt; i++) {
      |                       ^
btf.c: In function 'btf_type_by_id':
btf.c:466:21: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
  466 |         if (type_id < btf->start_id)
      |                     ^
btf.c: In function 'determine_ptr_size':
btf.c:513:31: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
  513 |                 for (j = 0; j < ARRAY_SIZE(long_aliases); j++) {
      |                               ^
btf.c: In function 'btf_ptr_sz':
btf.c:526:51: warning: operand of '?:' changes signedness from 'int' to 'long unsigned int' due to unsignedness of other operand [-Wsign-compare]
  526 |         return btf->ptr_sz < 0 ? sizeof(void *) : btf->ptr_sz;
      |                                                   ^~~~~~~~~~~
btf.c: In function 'btf_parse_raw':
btf.c:1108:35: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'long int' [-Wsign-compare]
 1108 |         if (fread(data, 1, sz, f) < sz) {
      |                                   ^
btf.c: In function 'btf_get_raw_data':
btf.c:1284:31: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 1284 |                 for (i = 0; i < btf->nr_types; i++) {
      |                               ^
btf.c: In function 'btf__str_by_offset':
btf.c:1331:20: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
 1331 |         if (offset < btf->start_str_off)
      |                    ^
btf.c: In function 'validate_type_id':
libbpf.c: In function 'bpf_object__add_programs':
btf.c:1846:26: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
 1846 |         if (id < 0 || id > BTF_MAX_NR_TYPES)
      |                          ^
libbpf.c:804:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
  804 |         for (i = 0; i < nr_syms; i++) {
      |                       ^
libbpf.c: In function 'find_struct_ops_kern_types':
libbpf.c:983:44: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and '__s32' {aka 'int'} [-Wsign-compare]
  983 |                 if (kern_data_member->type == kern_type_id)
      |                                            ^~
libbpf.c: In function 'internal_map_name':
libbpf.c:1561:21: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
 1561 |         if (sfx_len >= BPF_OBJ_NAME_LEN)
      |                     ^~
libbpf.c: In function 'bpf_object__init_global_data_maps':
libbpf.c:1683:35: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 1683 |         for (sec_idx = 1; sec_idx < obj->efile.sec_cnt; sec_idx++) {
      |                                   ^
libbpf.c: In function 'set_kcfg_value_str':
libbpf.c:1791:17: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
 1791 |         if (len >= ext->kcfg.sz) {
      |                 ^~
libbpf.c: In function 'pathname_concat':
btf.c: In function 'btf_dedup_clear_hypot_map':
libbpf.c:2149:17: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 2149 |         if (len >= buf_sz)
      |                 ^~
btf.c:3179:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 3179 |         for (i = 0; i < d->hypot_cnt; i++)
      |                       ^
btf.c: In function 'btf_for_each_str_off':
btf.c:3282:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 3282 |         for (i = 0; i < d->btf->nr_types; i++) {
      |                       ^
btf.c: In function 'strs_dedup_remap_str_off':
btf.c:3308:37: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
 3308 |         if (str_off == 0 || str_off < d->btf->start_str_off)
      |                                     ^
btf.c: In function 'btf_hash_struct':
btf.c:3514:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 3514 |         for (i = 0; i < vlen; i++) {
      |                       ^
libbpf.c: In function 'bpf_object__sanitize_btf':
libbpf.c:2701:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 2701 |         for (i = 1; i < btf__type_cnt(btf); i++) {
      |                       ^
libbpf.c: In function 'bpf_object__init_btf':
btf.c: In function 'btf_dedup_prim_types':
libbpf.c:2839:43: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
 2839 |                 for (seg_num = 0; seg_num < ARRAY_SIZE(ext_segs); seg_num++) {
      |                                           ^
btf.c:3833:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 3833 |         for (i = 0; i < d->btf->nr_types; i++) {
      |                       ^
libbpf.c: In function 'bpf_object__sanitize_and_load_btf':
btf.c: In function 'btf_dedup_is_equiv':
libbpf.c:3099:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 3099 |         for (i = 0; i < obj->nr_programs; i++) {
      |                       ^
btf.c:4086:63: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
 4086 |                         if (fwd_kind == real_kind && canon_id < d->btf->start_id)
      |                                                               ^
btf.c: In function 'btf_dedup_merge_hypot_map':
btf.c:4213:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 4213 |         for (i = 0; i < d->hypot_cnt; i++) {
      |                       ^
btf.c: In function 'btf_dedup_struct_types':
libbpf.c: In function 'bpf_object__elf_collect':
btf.c:4353:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 4353 |         for (i = 0; i < d->btf->nr_types; i++) {
      |                       ^
libbpf.c:3498:42: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 3498 |                             targ_sec_idx >= obj->efile.sec_cnt)
      |                                          ^~
libbpf.c:3525:59: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
 3525 |         if (!obj->efile.strtabidx || obj->efile.strtabidx > idx) {
      |                                                           ^
btf.c: In function 'btf_dedup_ref_types':
btf.c:4515:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 4515 |         for (i = 0; i < d->btf->nr_types; i++) {
      |                       ^
libbpf.c: In function 'find_extern_sec_btf_id':
libbpf.c:3615:38: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
 3615 |                         if (vs->type == ext_btf_id)
      |                                      ^~
btf.c: In function 'btf_dedup_resolve_fwds':
btf.c:4643:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 4643 |         for (i = 0; i < d->btf->nr_types; i++) {
      |                       ^
btf.c: In function 'btf_dedup_compact_types':
btf.c:4678:46: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 4678 |         for (i = 0, id = d->btf->start_id; i < d->btf->nr_types; i++, id++)
      |                                              ^
btf.c:4683:46: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 4683 |         for (i = 0, id = d->btf->start_id; i < d->btf->nr_types; i++, id++) {
      |                                              ^
btf.c:4684:32: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
 4684 |                 if (d->map[id] != id)
      |                                ^~
libbpf.c: In function 'prog_is_subprog':
libbpf.c:3957:30: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
 3957 |         return prog->sec_idx == obj->efile.text_shndx && obj->nr_programs > 1;
      |                              ^~
btf.c: In function 'btf_dedup_remap_types':
btf.c:4747:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 4747 |         for (i = 0; i < d->btf->nr_types; i++) {
      |                       ^
libbpf.c: In function 'bpf_program__record_reloc':
btf.c: In function 'btf__load_vmlinux_btf':
libbpf.c:4064:43: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
 4064 |                 if (!shdr_idx || shdr_idx != obj->efile.text_shndx) {
      |                                           ^~
btf.c:4790:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
 4790 |         for (i = 0; i < ARRAY_SIZE(locations); i++) {
      |                       ^
In file included from btf.c:22:
btf.c: In function 'btf_ext_visit_type_ids':
libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  399 |              i < (sec)->num_info;                                       \
      |                ^
btf.c:4959:17: note: in expansion of macro 'for_each_btf_ext_rec'
 4959 |                 for_each_btf_ext_rec(seg, sec, i, rec) {
      |                 ^~~~~~~~~~~~~~~~~~~~
libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  399 |              i < (sec)->num_info;                                       \
      |                ^
btf.c:4970:17: note: in expansion of macro 'for_each_btf_ext_rec'
 4970 |                 for_each_btf_ext_rec(seg, sec, i, rec) {
      |                 ^~~~~~~~~~~~~~~~~~~~
btf.c: In function 'btf_ext_visit_str_offs':
libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  399 |              i < (sec)->num_info;                                       \
      |                ^
btf.c:5001:17: note: in expansion of macro 'for_each_btf_ext_rec'
 5001 |                 for_each_btf_ext_rec(seg, sec, i, rec) {
      |                 ^~~~~~~~~~~~~~~~~~~~
libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  399 |              i < (sec)->num_info;                                       \
      |                ^
btf.c:5019:17: note: in expansion of macro 'for_each_btf_ext_rec'
 5019 |                 for_each_btf_ext_rec(seg, sec, i, rec) {
      |                 ^~~~~~~~~~~~~~~~~~~~
libbpf.c: In function 'init_map_in_map_slots':
libbpf.c:5136:23: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
 5136 |         for (i = 0; i < map->init_slots_sz; i++) {
      |                       ^
libbpf.c: In function 'init_prog_array_slots':
libbpf.c:5175:23: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
 5175 |         for (i = 0; i < map->init_slots_sz; i++) {
      |                       ^
libbpf.c: In function 'bpf_object_init_prog_arrays':
libbpf.c:5204:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 5204 |         for (i = 0; i < obj->nr_maps; i++) {
      |                       ^
libbpf.c: In function 'bpf_core_find_cands':
libbpf.c:5568:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 5568 |         for (i = 0; i < obj->btf_module_cnt; i++) {
      |                       ^
In file included from libbpf.c:54:
libbpf.c: In function 'bpf_object__relocate_core':
libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  399 |              i < (sec)->num_info;                                       \
      |                ^
libbpf.c:5748:17: note: in expansion of macro 'for_each_btf_ext_rec'
 5748 |                 for_each_btf_ext_rec(seg, sec, i, rec) {
      |                 ^~~~~~~~~~~~~~~~~~~~
libbpf.c:5777:38: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 5777 |                         if (insn_idx >= prog->insns_cnt)
      |                                      ^~
In file included from libbpf.c:55:
hashmap.h:179:27: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
  179 |         for (bkt = 0; bkt < map->cap; bkt++)                                \
      |                           ^
libbpf.c:5813:17: note: in expansion of macro 'hashmap__for_each_entry'
 5813 |                 hashmap__for_each_entry(cand_cache, entry, i) {
      |                 ^~~~~~~~~~~~~~~~~~~~~~~
libbpf.c: In function 'adjust_prog_btf_ext_info':
libbpf.c:5968:35: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
 5968 |                 if (prog->sec_idx != sec_idx)
      |                                   ^~
libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  399 |              i < (sec)->num_info;                                       \
      |                ^
libbpf.c:5971:17: note: in expansion of macro 'for_each_btf_ext_rec'
 5971 |                 for_each_btf_ext_rec(ext_info, sec, i, rec) {
      |                 ^~~~~~~~~~~~~~~~~~~~
libbpf.c: In function 'cmp_relo_by_insn_idx':
libbpf.c:6097:22: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
 6097 |         if (insn_idx == relo->insn_idx)
      |                      ^~
libbpf.c:6099:25: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
 6099 |         return insn_idx < relo->insn_idx ? -1 : 1;
      |                         ^
libbpf.c: In function 'bpf_object__relocate_calls':
libbpf.c:6352:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 6352 |         for (i = 0; i < obj->nr_programs; i++) {
      |                       ^
libbpf.c: In function 'bpf_object__free_relocs':
libbpf.c:6374:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 6374 |         for (i = 0; i < obj->nr_programs; i++) {
      |                       ^
libbpf.c: In function 'bpf_object__sort_relos':
libbpf.c:6400:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 6400 |         for (i = 0; i < obj->nr_programs; i++) {
      |                       ^
libbpf.c: In function 'bpf_object__relocate':
libbpf.c:6436:31: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
 6436 |                 for (j = 0; j < prog->nr_reloc; j++) {
      |                               ^
libbpf.c: In function 'bpf_object__collect_map_relos':
libbpf.c:6534:31: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 6534 |                 for (j = 0; j < obj->nr_maps; j++) {
      |                               ^
libbpf.c:6544:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 6544 |                 if (j == obj->nr_maps) {
      |                       ^~
libbpf.c:6609:26: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
 6609 |                 if (moff >= map->init_slots_sz) {
      |                          ^~
libbpf.c: In function 'bpf_object__collect_relos':
libbpf.c:6632:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 6632 |         for (i = 0; i < obj->efile.sec_cnt; i++) {
      |                       ^
libbpf.c: In function 'bpf_object__sanitize_prog':
libbpf.c:6686:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 6686 |         for (i = 0; i < prog->insns_cnt; i++, insn++) {
      |                       ^
libbpf.c: In function 'bpf_object_load_prog':
libbpf.c:6886:39: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 6886 |                         for (i = 0; i < obj->nr_maps; i++) {
      |                                       ^
libbpf.c: In function 'fixup_log_failed_core_relo':
libbpf.c:7024:47: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
 7024 |                  insn_idx, spec_buf, spec_len >= sizeof(spec_buf) ? "..." : "");
      |                                               ^~
libbpf.c: In function 'fixup_log_missing_map_load':
libbpf.c:7050:36: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 7050 |         if (map_idx < 0 || map_idx >= obj->nr_maps)
      |                                    ^~
libbpf.c: In function 'fixup_verifier_log':
libbpf.c:7076:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 7076 |         for (i = 0; i < max_last_line_cnt; i++, next_line = cur_line) {
      |                       ^
libbpf.c: In function 'find_ksym_btf_id':
libbpf.c:7448:31: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 7448 |                 for (i = 0; i < obj->btf_module_cnt; i++) {
      |                               ^
libbpf.c: In function 'bpf_object_load':
libbpf.c:7747:31: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 7747 |                 for (i = 0; i < obj->nr_maps; i++)
      |                               ^
libbpf.c:7757:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 7757 |         for (i = 0; i < obj->btf_module_cnt; i++) {
      |                       ^
libbpf.c:7776:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 7776 |         for (i = 0; i < obj->nr_maps; i++)
      |                       ^
libbpf.c: In function '__bpf_program__iter':
libbpf.c:8315:17: warning: comparison of integer expressions of different signedness: 'ssize_t' {aka 'long int'} and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 8315 |         if (idx >= obj->nr_programs || idx < 0)
      |                 ^~
libbpf.c: In function 'libbpf_unregister_prog_handler':
libbpf.c:8682:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 8682 |         for (i = 0; i < custom_sec_def_cnt; i++) {
      |                       ^
libbpf.c:8687:15: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 8687 |         if (i == custom_sec_def_cnt)
      |               ^~
libbpf.c:8691:27: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 8691 |         for (i = i + 1; i < custom_sec_def_cnt; i++)
      |                           ^
libbpf.c: In function 'libbpf_get_type_names':
libbpf.c:8769:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
 8769 |         for (i = 0; i < ARRAY_SIZE(section_defs); i++) {
      |                       ^
libbpf.c:8780:67: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
 8780 |                 if (strlen(buf) + strlen(section_defs[i].sec) + 2 > len) {
      |                                                                   ^
libbpf.c: In function 'find_btf_by_prefix_kind':
libbpf.c:9025:28: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
 9025 |         if (ret < 0 || ret >= sizeof(btf_type_name))
      |                            ^~
libbpf.c: In function 'find_kernel_btf_id':
libbpf.c:9116:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 9116 |         for (i = 0; i < obj->btf_module_cnt; i++) {
      |                       ^
libbpf.c: In function '__bpf_map__iter':
libbpf.c:9397:17: warning: comparison of integer expressions of different signedness: 'ssize_t' {aka 'long int'} and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 9397 |         if (idx >= obj->nr_maps || idx < 0)
      |                 ^~
libbpf.c: In function 'elf_find_next_scn_by_type':
libbpf.c:10557:32: warning: comparison of integer expressions of different signedness: 'Elf64_Word' {aka 'unsigned int'} and 'int' [-Wsign-compare]
10557 |                 if (sh.sh_type == sh_type)
      |                                ^~
libbpf.c: In function 'elf_find_func_offset':
libbpf.c:10606:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
10606 |         for (i = 0; i < ARRAY_SIZE(sh_types); i++) {
      |                       ^
libbpf.c: In function 'resolve_full_path':
libbpf.c:10773:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
10773 |         for (i = 0; i < ARRAY_SIZE(search_paths); i++) {
      |                       ^
libbpf.c:10785:47: warning: operand of '?:' changes signedness from 'long int' to 'size_t' {aka 'long unsigned int'} due to unsignedness of other operand [-Wsign-compare]
10785 |                         seg_len = next_path ? next_path - s : strlen(s);
      |                                               ^~~~~~~~~~~~~
libbpf.c: In function 'determine_tracepoint_id':
libbpf.c:11056:17: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
11056 |         if (ret >= sizeof(file)) {
      |                 ^~
libbpf.c: In function '__perf_buffer__new':
libbpf.c:11818:56: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
11818 |                 if (map.max_entries && map.max_entries < pb->cpu_cnt)
      |                                                        ^
libbpf.c: In function 'perf_buffer__buffer_fd':
libbpf.c:11998:21: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
11998 |         if (buf_idx >= pb->cpu_cnt)
      |                     ^~
libbpf.c: In function 'perf_buffer__consume_buffer':
libbpf.c:12036:21: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
12036 |         if (buf_idx >= pb->cpu_cnt)
      |                     ^~
libbpf.c: In function 'parse_cpu_mask_file':
libbpf.c:12179:17: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
12179 |         if (len >= sizeof(buf)) {
      |                 ^~
libbpf.c: In function 'populate_skeleton_maps':
libbpf.c:12220:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
12220 |         for (i = 0; i < map_cnt; i++) {
      |                       ^
libbpf.c: In function 'populate_skeleton_progs':
libbpf.c:12244:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
12244 |         for (i = 0; i < prog_cnt; i++) {
      |                       ^
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/btf.o
btf.c:18:10: fatal error: gelf.h: No such file or directory
   18 | #include <gelf.h>
      |          ^~~~~~~~
compilation terminated.
make[2]: *** [Makefile:131: /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/btf.o] Error 1
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/libbpf/src'
make[1]: *** [Makefile:52: /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/libbpf.a] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/libbpf_errno.o
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/netlink.o
libbpf_errno.c: In function 'libbpf_strerror':
libbpf_errno.c:65:25: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   65 |                 if (ret >= size)
      |                         ^~
libbpf_errno.c:72:17: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   72 |         if (ret >= size)
      |                 ^~
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/nlattr.o
netlink.c: In function 'libbpf_netlink_recv':
netlink.c:151:25: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
  151 |                 if (len > iov.iov_len) {
      |                         ^
netlink.c:172:43: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
  172 |                         if (nh->nlmsg_seq != seq) {
      |                                           ^~
netlink.c: In function 'tc_add_fd_and_name':
netlink.c:606:17: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
  606 |         if (len >= sizeof(name))
      |                 ^~
nlattr.c: In function 'validate_nla':
nlattr.c:65:33: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
   65 |         if (libbpf_nla_len(nla) < minlen)
      |                                 ^
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/str_error.o
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/libbpf_probes.o
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/bpf_prog_linfo.o
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/btf_dump.o
btf_dump.c: In function 'pfx':
btf_dump.c:30:20: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   30 |         return lvl >= PREFIX_CNT ? PREFIXES : &PREFIXES[PREFIX_CNT - lvl];
      |                    ^~
btf_dump.c: In function 'btf_dump_emit_bit_padding':
btf_dump.c:894:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
  894 |         for (i = 0; i < ARRAY_SIZE(pads); i++) {
      |                       ^
btf_dump.c: In function 'btf_dump_emit_missing_aliases':
btf_dump.c:1046:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
 1046 |         for (i = 0; i < ARRAY_SIZE(missing_base_types); i++) {
      |                       ^
btf_dump.c: In function 'btf_dump_int_data':
btf_dump.c:1871:27: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
 1871 |         if (sz == 0 || sz > sizeof(buf)) {
      |                           ^
btf_dump.c: In function 'btf_dump_enum_data':
btf_dump.c:2214:35: warning: comparison of integer expressions of different signedness: '__s64' {aka 'long long int'} and '__u64' {aka 'long long unsigned int'} [-Wsign-compare]
 2214 |                         if (value != btf_enum64_value(e))
      |                                   ^~
btf_dump.c: In function 'btf_dump_type_data_check_zero':
btf_dump.c:2346:31: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 2346 |                 for (i = 0; i < array->nelems; i++) {
      |                               ^
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/hashmap.o
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/ringbuf.o
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/strset.o
strset.c: In function 'strset__new':
strset.c:66:35: warning: comparison of integer expressions of different signedness: 'long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
   66 |                 for (off = 0; off < set->strs_data_len; off += strlen(set->strs_data + off) + 1) {
      |                                   ^
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/linker.o
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/gen_loader.o
linker.c: In function 'linker_sanity_check_elf_symtab':
linker.c:774:55: warning: comparison of integer expressions of different signedness: 'Elf64_Word' {aka 'unsigned int'} and 'int' [-Wsign-compare]
  774 |         if (!sec->shdr->sh_link || sec->shdr->sh_link >= obj->sec_cnt) {
      |                                                       ^~
linker.c: In function 'linker_sanity_check_elf_relos':
linker.c:856:55: warning: comparison of integer expressions of different signedness: 'Elf64_Word' {aka 'unsigned int'} and 'int' [-Wsign-compare]
  856 |         if (!sec->shdr->sh_info || sec->shdr->sh_info >= obj->sec_cnt) {
      |                                                       ^~
linker.c: In function 'sec_content_is_same':
linker.c:1072:29: warning: comparison of integer expressions of different signedness: 'int' and 'Elf64_Xword' {aka 'long unsigned int'} [-Wsign-compare]
 1072 |         if (dst_sec->sec_sz != src_sec->shdr->sh_size)
      |                             ^~
linker.c: In function 'find_glob_sym_btf':
linker.c:1691:46: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 1691 |                         if (btf_id && btf_id != vi->type) {
      |                                              ^~
linker.c: In function 'linker_append_btf_ext':
linker.c:2452:47: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
 2452 |                 if (dst_sec->func_info.rec_sz != rec_sz) {
      |                                               ^~
In file included from linker.c:21:
libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  399 |              i < (sec)->num_info;                                       \
      |                ^
linker.c:2457:17: note: in expansion of macro 'for_each_btf_ext_rec'
 2457 |                 for_each_btf_ext_rec(&obj->btf_ext->func_info, ext_sec, i, src_rec) {
      |                 ^~~~~~~~~~~~~~~~~~~~
linker.c:2481:47: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
 2481 |                 if (dst_sec->line_info.rec_sz != rec_sz) {
      |                                               ^~
libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  399 |              i < (sec)->num_info;                                       \
      |                ^
linker.c:2486:17: note: in expansion of macro 'for_each_btf_ext_rec'
 2486 |                 for_each_btf_ext_rec(&obj->btf_ext->line_info, ext_sec, i, src_rec) {
      |                 ^~~~~~~~~~~~~~~~~~~~
linker.c:2523:52: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
 2523 |                 if (dst_sec->core_relo_info.rec_sz != rec_sz) {
      |                                                    ^~
libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  399 |              i < (sec)->num_info;                                       \
      |                ^
linker.c:2528:17: note: in expansion of macro 'for_each_btf_ext_rec'
 2528 |                 for_each_btf_ext_rec(&obj->btf_ext->core_relo_info, ext_sec, i, src_rec) {
      |                 ^~~~~~~~~~~~~~~~~~~~
gen_loader.c: In function 'bpf_gen__init':
gen_loader.c:144:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
  144 |         for (i = 0; i < nr_progs_sz; i += 4) {
      |                       ^
gen_loader.c: In function 'bpf_gen__finish':
gen_loader.c:374:22: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  374 |         if (nr_progs < gen->nr_progs || nr_maps != gen->nr_maps) {
      |                      ^
gen_loader.c:374:49: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  374 |         if (nr_progs < gen->nr_progs || nr_maps != gen->nr_maps) {
      |                                                 ^~
gen_loader.c:381:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  381 |         for (i = 0; i < gen->nr_progs; i++)
      |                       ^
gen_loader.c:388:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  388 |         for (i = 0; i < gen->nr_maps; i++)
      |                       ^
gen_loader.c: In function 'bpf_gen__map_create':
gen_loader.c:512:28: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  512 |         } else if (map_idx != gen->nr_maps) {
      |                            ^~
gen_loader.c: In function 'bpf_gen__record_attach_target':
gen_loader.c:536:17: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
  536 |         if (ret >= sizeof(gen->attach_target))
      |                 ^~
gen_loader.c: In function 'get_ksym_desc':
gen_loader.c:588:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  588 |         for (i = 0; i < gen->nr_ksyms; i++) {
      |                       ^
gen_loader.c: In function 'cleanup_relos':
gen_loader.c:906:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  906 |         for (i = 0; i < gen->nr_ksyms; i++) {
      |                       ^
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/relo_core.o
relo_core.c: In function 'is_flex_arr':
relo_core.c:83:25: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare]
   83 |         return acc->idx == btf_vlen(t) - 1;
      |                         ^~
relo_core.c: In function 'bpf_core_parse_spec':
relo_core.c:374:49: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
  374 |                         if (!flex && access_idx >= a->nelems)
      |                                                 ^~
relo_core.c: In function 'bpf_core_patch_insn':
relo_core.c:1052:48: warning: comparison of integer expressions of different signedness: '__s32' {aka 'int'} and '__u64' {aka 'long long unsigned int'} [-Wsign-compare]
 1052 |                 if (res->validate && insn->imm != orig_val) {
      |                                                ^~
relo_core.c:1068:48: warning: comparison of integer expressions of different signedness: '__s16' {aka 'short int'} and '__u64' {aka 'long long unsigned int'} [-Wsign-compare]
 1068 |                 if (res->validate && insn->off != orig_val) {
      |                                                ^~
relo_core.c:1096:43: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare]
 1096 |                         if (insn_bytes_sz != res->orig_sz) {
      |                                           ^~
relo_core.c: In function 'bpf_core_format_spec':
relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 1168 |                 if (r >= buf_sz)                                \
      |                       ^~
relo_core.c:1178:9: note: in expansion of macro 'append_buf'
 1178 |         append_buf("<%s> [%u] %s %s",
      |         ^~~~~~~~~~
relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 1168 |                 if (r >= buf_sz)                                \
      |                       ^~
relo_core.c:1194:25: note: in expansion of macro 'append_buf'
 1194 |                         append_buf(fmt_str, s, e->val);
      |                         ^~~~~~~~~~
relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 1168 |                 if (r >= buf_sz)                                \
      |                       ^~
relo_core.c:1202:25: note: in expansion of macro 'append_buf'
 1202 |                         append_buf(fmt_str, s, (unsigned long long)btf_enum64_value(e));
      |                         ^~~~~~~~~~
relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 1168 |                 if (r >= buf_sz)                                \
      |                       ^~
relo_core.c:1210:33: note: in expansion of macro 'append_buf'
 1210 |                                 append_buf(".%s", spec->spec[i].name);
      |                                 ^~~~~~~~~~
relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 1168 |                 if (r >= buf_sz)                                \
      |                       ^~
relo_core.c:1212:33: note: in expansion of macro 'append_buf'
 1212 |                                 append_buf("[%u]", spec->spec[i].idx);
      |                                 ^~~~~~~~~~
relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 1168 |                 if (r >= buf_sz)                                \
      |                       ^~
relo_core.c:1215:17: note: in expansion of macro 'append_buf'
 1215 |                 append_buf(" (");
      |                 ^~~~~~~~~~
relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 1168 |                 if (r >= buf_sz)                                \
      |                       ^~
relo_core.c:1217:25: note: in expansion of macro 'append_buf'
 1217 |                         append_buf("%s%d", i == 0 ? "" : ":", spec->raw_spec[i]);
      |                         ^~~~~~~~~~
relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 1168 |                 if (r >= buf_sz)                                \
      |                       ^~
relo_core.c:1220:25: note: in expansion of macro 'append_buf'
 1220 |                         append_buf(" @ offset %u.%u)", spec->bit_offset / 8, spec->bit_offset % 8);
      |                         ^~~~~~~~~~
relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 1168 |                 if (r >= buf_sz)                                \
      |                       ^~
relo_core.c:1222:25: note: in expansion of macro 'append_buf'
 1222 |                         append_buf(" @ offset %u)", spec->bit_offset / 8);
      |                         ^~~~~~~~~~
  CC       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/usdt.o
usdt.c: In function 'parse_elf_segs':
usdt.c:409:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
  409 |         for (i = 0; i < n; i++) {
      |                       ^
usdt.c: In function 'find_elf_seg':
usdt.c:543:35: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
  543 |         for (i = 0, seg = segs; i < seg_cnt; i++, seg++) {
      |                                   ^
usdt.c: In function 'find_vma_seg':
usdt.c:559:35: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
  559 |         for (i = 0, seg = segs; i < seg_cnt; i++, seg++) {
      |                                   ^
usdt.c: In function 'bpf_link_usdt_detach':
usdt.c:819:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
  819 |         for (i = 0; i < usdt_link->uprobe_cnt; i++) {
      |                       ^
usdt.c: In function 'usdt_manager_attach_usdt':
usdt.c:1014:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
 1014 |         for (i = 0; i < target_cnt; i++) {
      |                       ^
usdt.c: In function 'calc_pt_regs_off':
usdt.c:1211:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
 1211 |         for (i = 0; i < ARRAY_SIZE(reg_map); i++) {
      |                       ^
usdt.c:1212:31: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
 1212 |                 for (j = 0; j < ARRAY_SIZE(reg_map[i].names); j++) {
      |                               ^
  AR       /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src/libbpf/libbpf.a
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/libbpf/src'
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/src'
make: *** [package/pkg-generic.mk:283: /home/buildroot/autobuild/instance-2/output-1/build/bpftool-v7.1.0/.stamp_built] Error 2
make: Leaving directory '/home/buildroot/autobuild/instance-2/buildroot'