Cross compiling simple pcap example

Kent Kvarfordt kent.kvarfordt@gmail.com
Mon Jun 20 20:38:00 GMT 2011


Got it.  Thanks Jonathan for the clarification and the time.

-- kent

On Mon, Jun 20, 2011 at 10:31 AM, Jonathan Wakely <jwakely.gcc@gmail.com> wrote:
> On 20 June 2011 16:53, Kent Kvarfordt wrote:
>> Ok.  So even though the libraries are dynamically linked shared object
>> libraries (.so), the 32-bit versions need to be present during the
>> compile/link phase on the 64-bit installation?
>
> Yes.
>
> Dynamic linking doesn't mean linking is entirely delayed until
> runtime, the linker still wants to ensure all symbols are resolved, so
> checks the shared library at link time.
>
>> The reason I ask is that the application I am trying to cross compile
>> actually has several incompatible library errors.  I was using the
>> pcap example as a boiled down example for posting.  Is there a way to
>> compile the application on the 64-bit installation w/out installing
>> 32-bit versions, so the 32-bit libraries are resolved at runtime on
>> the 32-bit installation?
>
> You could create a dummy 32-bit shared library with the same name and
> soname which exports all the symbols needed by your program, then
> ensure the real library is found at runtime.  But it would be much
> easier to just install the required libs.
>



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