32 bit and 64 bit freebsd binary compatiblty

[Dominic Fandrey]

navneet Upadhyay wrote:
  > On 2/18/08, Dominic Fandrey <kamikaze at bsdforen.de> wrote:
>> navneet Upadhyay wrote:
>>> Hi ,
>>>         For our product we generally compile the binaries on 32 bit
>> systems
>>> and use them for both 32 and 64 bit systems. like we have same binaries
>> for
>>> 32 bit and 64 bit RHEL.
>>>
>>> We are porting the product to FreeBSD and when we tried the same,
>>> i.erunning binaries compiled on 32 bit FreeBSD
>>> 6.2 on 64 bit FreeBSD system they produce *core dump.*
>>>
>>>
>>> Any known reasons, do we have to compile binaries on 64 bit machine.
>> This should not happen. I would blindly guess at a linking problem. Are
>> you
>> using any shared libraries that do not belong to the base system?
>>
> 
 > Yes i am using few libs not built on FreeBSD but they work fine on 32 bit
 > freeBSD , so in principle they shud have the same behavior on 64 one.

I suppose you are aware that they have to be 32-Bit libraries as well, for 
your 32-Bit application to work?