[dpdk-dev] pmdinfogen issues: cross compilation for ARM fails with older host compiler

[Thomas Monjalon]

2016-11-15 09:27, Neil Horman:
> On Tue, Nov 15, 2016 at 09:34:16AM +0000, Hemant Agrawal wrote:
> > > > On Fri, Nov 11, 2016 at 10:34:39AM +0000, Hemant Agrawal wrote:
> > > > > Hi Neil,
> > > > >    Pmdinfogen compiles with host compiler. It usages rte_byteorder.h
> > > > >    of the target platform.
[...]
> > > Yeah, so what we need is a way to get to the host version of rte_byteorder.h
> > > when building in a cross environment
> > > 
> > +1 
> > 
> Actually, looking at this, I think we're 90% there anyway.  The buildtools
> already uses the hostapp.mk file (as it should), to target the host build
> system, rather than any cross target, so we're good there.  The only question
> is, should we be using rte_byteorder.h at all, and I think the answer is no, we
> shouldn't.  I assert that because the byteorder file is configured for the
> target, not the host, and so we shouldn't be touching it at all.  Instead we
> should just be using the posix htobe*/htole*/letoh*/betoh* variants to do the
> endian conversion, as those are always configured to work on the local build
> host.

Yes there are 2 possible fixes:
- get a host version of EAL
- do not use EAL for host applications

As Neil, I think there is no point in using EAL for a host application.