[OE-core] small number of perl modules that can't be cross-compiled

[André Draszik]

On Fri, 2016-11-18 at 09:09 -0500, Robert P. J. Day wrote:
> On Fri, 18 Nov 2016, André Draszik wrote:
> 
> > On Fri, 2016-11-18 at 07:46 -0500, Robert P. J. Day wrote:
> > > On Fri, 18 Nov 2016, André Draszik wrote:
> > > 
> > > > On Fri, 2016-11-18 at 06:41 -0500, Robert P. J. Day wrote:
> > > > >   after OE recipfying over 100 perl modules from CPAN, i'm down to
> > > > > less than a dozen that are going to take more work, and a small
> > > > > number
> > > > > of those seem to be simply badly written in that they don't
> > > > > support
> > > > > cross-compilation for my target choice of "qemuppc". example
> > > > > boilerplate recipe i put together produces this:
> > > > > 
> > > > > $ make libauthen-pam-perl
> > > > > ... snip ...
> > > > > Checking if your kit is complete...
> > > > > Looks good
> > > > > checking for gcc... powerpc-wrs-linux-gcc -m32 -mhard-float
> > > > > -mcpu=7400
> > > > > --
> > > > > sysroot=/home/rpjday/WRL/builds/msm/nov17/bitbake_build/tmp/sysroo
> > > > > ts/q
> > > > > emup
> > > > > pc
> > > > > checking for C compiler default output file name... a.out
> > > > > checking whether the C compiler works... configure: error: cannot
> > > > > run
> > > > > C compiled programs.
> > > > > If you meant to cross compile, use `--host'.
> > > > > See `config.log' for more details.
> > > > 
> > > > It'd be useful to see config.log, ...
> > > 
> > >   see bottom.
> > 
> > That message is referring to config.log from autotools, not the
> > bitbake do_configure.log. Should be somewhere below ${B}
> 
>   sorry, my mistake ... see below:
> 
> This file contains any messages produced by compilers while
> running configure, to aid debugging if configure makes a mistake.
> 
> It was created by Authen::PAM configure 0.16, which was
> generated by GNU Autoconf 2.59.  Invocation command line was
> 
>   $ ./configure

I think the issues are in your recipe. You should see *many* arguments to
configure. In particular --build= --host= --target=, but many more.

Also, this explains that message:

configure:1697: error: cannot run C compiled programs.
If you meant to cross compile, use `--host'.



Cheers,
Andre'