Re: [Snort-devel] About 64-bit snort binaries

[Jason Zhao <Jason.Zhao () Sun COM>]

Thank you, Steven!

Steven Sturges wrote:
> Hi Jason--
>
> That option is not required if your compiler builds 64bit
> by default.  If you read the comment in configure.in just
> prior to the checks for that option, it has to do with
> allowing 64bit builds on machines where the compiler does
> 32bit by default.
>   
Yes, I notice that, with "enable-64bit-gcc" during configure,
which will add "-m64" to CFLAGS so that 64bit binary
will be built.
> On 64bit linux systems, you don't have to use that configure
> option to get a 64bit binary with gcc.  I don't have a 64bit
> Solaris system handy to play with, but if you notice, all it
> does is add -m64 to the CFLAGS.
>
> There isn't anything specific in Snort that is relying on
> 32 vs 64 bit.  Pointer sizes would change.
>
> The only real restriction is that the Snort binary and
> the shared libraries must be the same (64bit or 32bit),
> otherwise data structure sizes will likely cause a core
> or other bus error.
>   
Thanks, the 64bit Snort binary depends on 64bit
shared libraries. In this way, there may be some other
utilities depend on the 64bit Snort plugin libraries(
e.g., snort_dynamicengine) as long as those utilities
are developed with 64bit. Do I understand right?

Thanks
Jason
> Jason Zhao wrote:
>   
> > Hi, All,
> >
> > I am trying to build snort on Solaris. On configure script,
> > it provides a option "--enable-64bit-gcc" to build 64bit
> > snort and its plugin libraries. Through the test, the 32bit
> > snort could work on Solaris very well. I am not sure about
> > the difference with 64bit binary and 32bit one. Right now,
> > I assume the plugin libraries(e.g., snort_dynamicengin) will
> > use some 64bit feature, i.e., it is required to use 64bit
> > plugins or 64bit snort binary on 64bit OS.
> >
> > Do I understand right?
> >
> > Great Thanks
> > Jason
> >     
>
>   


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