Re: [Xen-devel] xen 4.4.0 dependency lzo fails to build from source due to fPIC

[Anthony Wright <anthony@xxxxxxxxxxxxxxx>]

----- Original Message -----
> >>> On 28.07.14 at 23:02, <anthony@xxxxxxxxxxxxxxx> wrote:
> > If xen detects lzo, it tries to build
> > tools/xclib/libxenguest.so.4.4.0
> > with lzo support but fails with the error:
> >
> > /usr/bin/ld:
> > /usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.2/../../../../lib64/liblzo2.a(lzo_ini
> > t.o):
> > relocation R_X86_64_PC32 against symbol '_lzo_config_check' can not
> > be
> > used when making a shared object; recompile with -fPIC
> >
> > reading around the subject it would seem to be a problem with the
> > lzo
> > library (2.08) which has been built without using the -fPIC option.
> > However, when I look at the lzo package there is no standard way to
> > build it with -fPIC. My workaround has been simply to remove the lzo
> > package, but I'm not sure this is a good solution, and I don't
> > understand why this problem doesn't seem to have been encountered
> > before.
> >
> > Should I be building Xen with LZO support? (does everybody else
> > build
> > without LZO support?)
> >
> > Should I be adding fPIC to the LZO options and rebuilding LZO?
> >
> > Is there something else I'm doing wrong that is causing the problem?
> 
> The expectation is that there is a shared library to link against, not
> just a static one. If you want the static-only case supported, then
> you'll need to contribute patches (and imo those should then cover
> not just lzo, but all of the compression methods other than lz4).
> 
> Jan

Thanks, I rebuilt the lzo2 library with the --enable-shared option, and it 
successfully built.

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