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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: "Damjan Marion (damarion)" <damarion@cisco.com>
Cc: dev@dpdk.org
Date: Thu, 14 Jul 2016 10:20:31 +0200
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Subject: Re: [dpdk-dev] 16.07-rc2 issue with rte_rtm_init(void) constructor
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2016-07-13 22:58, Damjan Marion:
> I have issues with linking application to 16.07-rc2.
>=20
> Looks like reason is constructor function in include file,
> so our unit test apps are failing to link as they are not linked with=
 dpdk libs.
> (and they should not be as they are not calling any dpdk function).

I don't understand:
Why are you linking DPDK if you do not use any DPDK function?

> static inline void __attribute__((constructor))
> rte_rtm_init(void)
> {
>         rtm_supported =3D rte_cpu_get_flag_enabled(RTE_CPUFLAG_RTM);
> }
>=20
> linking fails with:
> dpdk/include/rte_spinlock.h:103: undefined reference to `rte_cpu_get_=
flag_enabled=E2=80=99
>=20
> Is there any chance that this one is moved to some .c file, so it is =
loaded
> only when it is really needed?

Yes it could be moved to lib/librte_eal/common/arch/x86/.