FreeBSD 9 & recompile ports

[George Kontostanos]

On Fri, Jan 13, 2012 at 4:18 PM, Kostik Belousov <kostikbel at gmail.com> wrote:
> On Fri, Jan 13, 2012 at 04:11:22PM +0200, Andriy Gapon wrote:
>> on 13/01/2012 14:57 George Kontostanos said the following:
>> > Still the question remains regarding COMPAT_FREEBSD8 and how does this
>> > affects ports/misc/compat8x/
>>
>> Looks like all the previous hints have not been clear enough.
>> There is no direct relation between COMPAT_FREEBSD8 and misc/compat8x.
>> COMPAT_FREEBSD<X> options are only needed when going from release X to release X+1
>> there was a change to an existing system call at the kernel-userland boundary.
>> A side note: kernel options affect only what's in the kernel, quite obviously.
>> misc/compat<X>x contains versions of shared libraries from release X that are no
>> longer present in X+1.
>
> Additional twist is that not every change at the kernel/usermode boundary
> is covered with backward-compatibility shims. Recent example is the CAM
> ABI change, which makes libcam.so.5 from the compat8x useless.

Thanks to all for your input.

It looks quite obvious to me know and I think this clears any further confusion.

Best Regards,

George