Applying ./patches/001-cflags.patch using plaintext: patching file libbpf/src/Makefile Applying ./patches/002-includes.patch using plaintext: patching file libbpf/include/linux/list.h patching file src/Makefile make[4]: Entering directory '/builder/shared-workdir/build/sdk/build_dir/target-aarch64_generic_musl/bpftools-minimal/bpftools-2022-03-08-04c465fd/src' make[5]: Entering directory '/builder/shared-workdir/build/sdk/build_dir/target-aarch64_generic_musl/bpftools-minimal/bpftools-2022-03-08-04c465fd/libbpf/src' Package libelf was not found in the pkg-config search path. Perhaps you should add the directory containing `libelf.pc' to the PKG_CONFIG_PATH environment variable Package 'libelf', required by 'virtual:world', not found MKDIR /builder/shared-workdir/build/sdk/build_dir/target-aarch64_generic_musl/bpftools-minimal/bpftools-2022-03-08-04c465fd/libbpf/staticobjs 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 CC /builder/shared-workdir/build/sdk/build_dir/target-aarch64_generic_musl/bpftools-minimal/bpftools-2022-03-08-04c465fd/libbpf/staticobjs/bpf.o CC /builder/shared-workdir/build/sdk/build_dir/target-aarch64_generic_musl/bpftools-minimal/bpftools-2022-03-08-04c465fd/libbpf/staticobjs/btf.o btf.c:18:10: fatal error: gelf.h: No such file or directory 18 | #include | ^~~~~~~~ compilation terminated. make[5]: *** [Makefile:120: /builder/shared-workdir/build/sdk/build_dir/target-aarch64_generic_musl/bpftools-minimal/bpftools-2022-03-08-04c465fd/libbpf/staticobjs/btf.o] Error 1 make[5]: Leaving directory '/builder/shared-workdir/build/sdk/build_dir/target-aarch64_generic_musl/bpftools-minimal/bpftools-2022-03-08-04c465fd/libbpf/src' make[4]: *** [Makefile:44: /builder/shared-workdir/build/sdk/build_dir/target-aarch64_generic_musl/bpftools-minimal/bpftools-2022-03-08-04c465fd/libbpf/libbpf.a] Error 2 make[4]: Leaving directory '/builder/shared-workdir/build/sdk/build_dir/target-aarch64_generic_musl/bpftools-minimal/bpftools-2022-03-08-04c465fd/src' make[3]: *** [Makefile:150: /builder/shared-workdir/build/sdk/build_dir/target-aarch64_generic_musl/bpftools-minimal/bpftools-2022-03-08-04c465fd/.built] Error 2 time: package/feeds/base/bpftools/minimal/compile#1.01#0.47#2.10