--- In "doogul" <> wrote:
>
> I wrote those directions and posted them a while back in response to someone
> asking about how to make an OS X toolchain. Unfortunately the original post's
> title didn't mention OS X so it's not surprising that nobody saw it. Glad to
> see that you guys are able to use them.
>
Homage to you, sir! Homage!
I've just successfully tested a simple multi-file Hello World in C++.
Coercing XCode to work with the cross-compiler was a bit tedious. There is an
O'Reilly book on embedded development with XCode but it's got some big errors
in the setup procedure. Most net references to environment variables show them
in $(SOME_VARIABLE) form but the parenthesis are wrong. They all need to be
$SOME_VARIABLE. I also had trouble with target names that had a space in them.
Usually you can put quotes around the path but that didn't work and I figured
I could live without spaces.
Then linking was troublesome. If you try to use a Build Rule to do it as the
O'Reilly book suggests you end up explicitly entering each .o file which I
thought was dumb and could cause one to tear hair out if they add a new file to
the project down the road and forget to edit that rule. Plus I think the rule
gets executed for every .o file instead of once for the whole lot of them. So
I tried adding a Build Phase to run a script which would contain the linker
command and a *.o input. This works but you need to have a dummy Build Rule
for *.o so the regular XCode linker doesn't get called.
Once I'm sure all this stuff works, I plan on posting the disk image files and
a sample XCode project with all the rules and phases.
Now if I could figure out remote debugging....
And maybe I'll get ambitious and try building a whole Debian system.
Part of why I'm doing this is to try to compile the latest FTDI driver so I may
tackle that one too.
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