I've had a bunch of requests for what I'm using to cross build. I've
put up the cross compilation development patches that I have done so
far at
http://www.village.org/villagers/imp/freebsd-cross-1.patch.gz
for anybody to give a test spin. There are no directions, but if you
do a
make buildworld TARGET=i386 TARGET_ARCH=i386
on an alpha, you should get a complete i386 world that can be installed
on a i386 machine. It is critically important that you include both
the TARGET and TARGET_ARCH on the command line, otherwise this won't
work. They patch the two files that I needed to patch to get the
cross building stuff working.
However, note that so far I've not gotten past building the libraries
on mips, due to kernel include files I've not written/imported yet, so
I don't know how far it will make it.
I release these patches in the hopes they are useful. I don't know if
this is the direction that FreeBSD wants to take wrt cross building
binaries or not. It is certainly a good learning experience.
I also don't know if our tools are up to the task of generating
working alpha code on a i386 box. I got all kinds of warnings when I
tried to do that which lead me to believe that the answer was no
(things like shifts > 32 bits).
Please let me know what you think of these patches. If you have
updates to them, please let me know. I'd have to characterize them as
a "rapid prototyping learning experience" at the moment. However,
every time I tried to do something more elegant I ran into boatloads
of problems.
Warner
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