[dpdk-dev] [PATCH] app/testpmd: fix static build link ordering

[Jerin Jacob]

On Fri, Jan 13, 2017 at 04:53:46PM +0100, Thomas Monjalon wrote:
> 2017-01-13 08:51, Jerin Jacob:
> > On Thu, Jan 12, 2017 at 03:27:30PM +0000, Ferruh Yigit wrote:
> > > On 1/12/2017 1:58 PM, Jerin Jacob wrote:
> > > > On Thu, Jan 12, 2017 at 10:26:08AM +0100, Thomas Monjalon wrote:
> > > >> 2017-01-12 13:16, Jerin Jacob:
> > > >>> +ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
> > > >>>  _LDLIBS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += -lrte_pmd_ixgbe
> > > >>> +endif
> > > >>
> > > >> _LDLIBS is an internal variable of rte.app.mk.
> > > >> Please could you check that there is no issue when using LDLIBS instead
> > > >> of _LDLIBS?
> > > > 
> > LDLIBS is not helping the situation as LDLIBS comes before the _LDLIBS-y
> > mk/rte.app.mk:LDLIBS += $(_LDLIBS-y) $(CPU_LDLIBS) $(EXTRA_LDLIBS)
> > 
> > But moving to EXTRA_LDLIBS looks OK.But it has to be under CONFIG_RTE_LIBRTE_IXGBE_PMD
> > 
> > Thomas, Ferruh
> > Let me know if you have any objection on below mentioned diff
> > 
> > -ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
> > -_LDLIBS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += -lrte_pmd_ixgbe
> > +ifeq ($(CONFIG_RTE_LIBRTE_IXGBE_PMD),y)
> > +EXTRA_LDLIBS += -lrte_pmd_ixgbe
> >  endif
> 
> You need to keep the shared lib check.
> Anyway, EXTRA_LDLIBS should be reserved to users and not used in a Makefile.
> I prefer your initial patch using _LDLIBS.
> 
> Any objection to merge initial proposal?

from my side, No