Is it feasible to cross-build compat5x binary?

[Ruslan Ermilov]

On Tue, Oct 25, 2005 at 01:09:35PM -0400, Kris Kennaway wrote:
> On Tue, Oct 25, 2005 at 02:47:57AM +0200, Jeremie Le Hen wrote:
> > Hi Peter and others,
> > 
> > > At some stage, we need to validate our cross-build chain with cmp(1).
> > > We can probably leverage off the work that NetBSD has done in this
> > > area.  This would significantly simplify the work involved in supporting
> > > the various architectures.
> > 
> > in case you know enough about NetBSD's build.sh, can you say if FreeBSD's
> > build architecture is powerful enough to merely use it with a few s///
> > or does it still lack one or more things ?
> 
It depends on what's your FreeBSD and NetBSD versions are.  If both
are HEADs of CVS, I only had to add freebsd-7 and

-x86_64-*-freebsd*)
+amd64-*-freebsd* | x86_64-*-freebsd*)

support into two files in the NetBSD distribution of gcc to make it
compile, but other than that it works (I use my 7-current amd64 box
dailyto cross-build NetBSD-current for a MIPS-based SoC).

> I expect it's pretty different.  ru@ did a lot of work on
> cross-building FreeBSD though, and he had a fairly detailed list
> of known differences between cross-built and native builds.  I'm not
> sure if he reduced it to 0 length.
> 
I'm sure I reported it to the current@ list a while back.  I've
been able to reduce it to the length of 1, and for some time now,
I use my fastest box (amd64) to cross-build and cross-install
worlds and kernels for other architecture machines in my home
network (i386, alpha, and until recently sparc64).


Cheers,
-- 
Ruslan Ermilov
ru at FreeBSD.org
FreeBSD committer
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