[dpdk-dev] [PATCH v2 2/2] bpf: fix convert API can be undefined

[Stephen Hemminger]

On Mon,  1 Nov 2021 16:10:13 +0000
Konstantin Ananyev <konstantin.ananyev at intel.com> wrote:

> rte_bpf_convert() implementation depends on libpcap.
> Right now it is defined only when this library is installed and
> RTE_PORT_PCAP is defined.
> Fix that by providing for such case stub rte_bpf_convert()
> implementation that will always return an error.
> Also move stub for another function (rte_bpf_elf_load) into
> the same place (bpf_stub.c).
> 
> Fixes: 2eccf6afbea9 ("bpf: add function to convert classic BPF to DPDK BPF")
> 
> Signed-off-by: Konstantin Ananyev <konstantin.ananyev at intel.com>

Wouldn't it be better to fail compiling a program using unimplemented calls
rather than forcing the user to see a failure later?