Applying /builder/shared-workdir/build/sdk/feeds/base/package/network/utils/xdp-tools/patches/010-configure-respect-LDFLAGS.patch using plaintext: 
patching file configure

Applying /builder/shared-workdir/build/sdk/feeds/base/package/network/utils/xdp-tools/patches/020-libxdp-Use-__noinline__-reserved-attribute-for-XDP-d.patch using plaintext: 
patching file lib/libxdp/protocol.org
patching file lib/libxdp/xdp-dispatcher.c.in

Applying /builder/shared-workdir/build/sdk/feeds/base/package/network/utils/xdp-tools/patches/022-xdp-dump-add-missing-perf_event-include-for-bpf-and-.patch using plaintext: 
patching file xdp-dump/xdpdump_bpf.c
patching file xdp-dump/xdpdump_xdp.c

Applying /builder/shared-workdir/build/sdk/feeds/base/package/network/utils/xdp-tools/patches/024-lib-allow-overwriting-W-flags-via-BPF_CFLAGS.patch using plaintext: 
patching file lib/common.mk
patching file lib/libxdp/Makefile

Applying /builder/shared-workdir/build/sdk/feeds/base/package/network/utils/xdp-tools/patches/025-Add-BPF_LDFLAGS-to-allow-overwriting-llc-s-march-arg.patch using plaintext: 
patching file configure
patching file lib/common.mk
patching file lib/libxdp/Makefile
Found clang binary '/builder/shared-workdir/build/sdk/staging_dir/host/llvm-bpf/bin/clang' with version 18 (from 'clang version 18.1.7')
bpftool not found or doesn't support skeleton generation; not building all tools
libbpf support: FORCE_SYSTEM_LIBBPF is set, but no usable libbpf found on system
error: /builder/shared-workdir/build/sdk/staging_dir/host/bin/pkg-config couldn't find libbpf
make[3]: *** [Makefile:146: /builder/shared-workdir/build/sdk/build_dir/target-arm_arm926ej-s_musl_eabi/xdp-tools-1.4.3/.configured_a17fb5ef857664f03cd0ce37cc5ea591] Error 1
time: package/feeds/base/xdp-tools/compile#0.42#0.29#0.78