[Buildroot] [PATCH 1/1] package/libbpf: needs headers >= 4.13

[Arnout Vandecappelle]

On 14/08/2021 22:37, Fabrice Fontaine wrote:
> Since its addition in commit f7b8508e4fe9c96bf679cc5423cc1500b6523e83,
> libbpf unconditionally uses TCA_BPF_ID which is only available since
> kernel 4.13 and
> https://github.com/torvalds/linux/commit/e86283071fb0eed28136adb52997888f4beb202b:
> 
> netlink.c: In function '__get_tc_info':
> netlink.c:515:11: error: 'TCA_BPF_ID' undeclared (first use in this function); did you mean 'TCA_BPF_FD'?
>   515 |  if (!tbb[TCA_BPF_ID])
>       |           ^~~~~~~~~~
>       |           TCA_BPF_FD
> 
> Fixes:
>  - http://autobuild.buildroot.org/results/14996a0b7b9b65d0d6d5717d6da8922752789749
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>

 Applied to master, thanks.

 Regards,
 Arnout

> ---
>  package/libbpf/Config.in | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/package/libbpf/Config.in b/package/libbpf/Config.in
> index 9eadf0254a..3aa6679b3a 100644
> --- a/package/libbpf/Config.in
> +++ b/package/libbpf/Config.in
> @@ -13,6 +13,7 @@ config BR2_PACKAGE_LIBBPF
>  	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
> @@ -24,8 +25,9 @@ config BR2_PACKAGE_LIBBPF
>  
>  	  https://github.com/libbpf/libbpf
>  
> -comment "libbpf needs a uClibc or glibc toolchain w/ wchar, dynamic library, threads"
> +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_USE_WCHAR || BR2_STATIC_LIBS \
>  		|| !BR2_TOOLCHAIN_HAS_THREADS \
> +		|| !BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_13 \
>  		|| !(BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_GLIBC)
>