[dpdk-dev] Using _XOPEN_SOURCE macros may break builds on FreeBSD
Thomas Monjalon
thomas at monjalon.net
Fri May 10 20:17:16 CEST 2019
10/05/2019 19:14, Smoczynski, MarcinX:
> To summarize we have different visibility sets for Linux and BSD when using
> XOPEN_SOURCE or POSIX_C_SOURCE explicitly. To overcome this situation we can
> either remove problematic XOPEN macros from mk/meson rules (drivers/net/failsafe,
> drivers/net/mlx4, drivers/net/mlx5)
What is the consequence of removing these macros in mlx and failsafe PMDs?
> or add explicit -D__BSD_VISIBLE when
> building for BSD. I think also that defining _GNU_SOURCE for BSD builds makes no
> sense although it does not cause any problems.
>
> I have checked that removing those problematic macros solves build problems on
> FreeBSD12 and does not break on Ubuntu 18.04.
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