[OE-core] [PATCH 2/3] liburcu: Explicitly add pthread options to cflags

[Richard Purdie]

On Fri, 2018-03-09 at 03:00 -0800, Khem Raj wrote:
> Some architectures e.g. riscv gcc does not add -D_REENTRANT
> when enabling pthreads. Help it here by adding these options
> while gcc gets fixed
> 
> Signed-off-by: Khem Raj <raj.khem at gmail.com>
> ---
>  meta/recipes-support/liburcu/liburcu_0.10.1.bb | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/meta/recipes-support/liburcu/liburcu_0.10.1.bb
> b/meta/recipes-support/liburcu/liburcu_0.10.1.bb
> index 0c8cd3571a..a73890af90 100644
> --- a/meta/recipes-support/liburcu/liburcu_0.10.1.bb
> +++ b/meta/recipes-support/liburcu/liburcu_0.10.1.bb
> @@ -15,3 +15,5 @@ SRC_URI[sha256sum] =
> "9c09220be4435dc27fcd22d291707b94b97f159e0c442fbcd60c168f8f
>  
>  S = "${WORKDIR}/userspace-rcu-${PV}"
>  inherit autotools
> +
> +CPPFLAGS  += "-pthread -D_REENTRANT"

Should we use a riscv override here so that we have some idea why we're
doing this and show its not needed for other arches?

Cheers,

Richard