cross compiling against foreign libraries

[Ken MacLeod]

On 9/22/06, Mike Frysinger <vapier@gentoo.org> wrote:
> On Friday 22 September 2006 18:31, Ken MacLeod wrote:
> > I'm trying to compile our API demo clients against the API libraries
> > using a couple of different vendor's toolchains.  One toolchain
> > appears to work fine.  The next toolchain wasn't happy with the
> > libraries in '$TARGETROOT/lib' but got further when the libs were
> > linked into '$TARGETROOT/usr/lib'.  Now it's complaining that
> > libc.so.6 has undefined references to _dl_ symbols like
> > '_dl_relocate_object@GLIBC_PRIVATE'.
>
> my guess is the libc's are mismatched between your custom paths and the
> toolchain's
>
> so you should only be testing your library in the paths, nothing else ...
> that's the entire point of the ABI afterall

Yes, that's what I'm pretty sure I need to do, I'm just having trouble
making certain it's happening.  When I trace gcc I see that it's
looking in the toolchain's paths and not my target's paths.

I'll be trying -B / GCC_EXEC_PREFIX next and see how far that goes.

  -- Ken

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