config BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
	bool
	# see src/bpf.c
	default y if BR2_arc
	default y if BR2_aarch64 || BR2_aarch64_be
	default y if BR2_i386 || BR2_x86_64
	default y if BR2_sparc || BR2_sparc64
	default y if BR2_s390x

config BR2_PACKAGE_LIBBPF
	bool "libbpf"
	depends on BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
	depends on BR2_TOOLCHAIN_HAS_SYNC_4
	depends on BR2_USE_WCHAR # elfutils
	depends on !BR2_STATIC_LIBS # elfutils
	depends on BR2_TOOLCHAIN_HAS_THREADS # elfutils
	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_13
	depends on BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_GLIBC # elfutils
	select BR2_PACKAGE_ELFUTILS
	select BR2_PACKAGE_ZLIB
	help
	  libbpf library.
	  A mirror of bpf-next linux tree bpf-next/tools/lib/bpf
	  directory plus its supporting header files. The version
	  of the package reflects the version of ABI.

	  https://github.com/libbpf/libbpf

comment "libbpf needs a uClibc or glibc toolchain w/ wchar, dynamic library, threads, headers >= 4.13"
	depends on BR2_PACKAGE_LIBBPF_ARCH_SUPPORTS
	depends on BR2_TOOLCHAIN_HAS_SYNC_4
	depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS \
		|| !BR2_TOOLCHAIN_HAS_THREADS \
		|| !BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_13 \
		|| !(BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_GLIBC)