Does cross compiling work?

[Hal Murray]

If so, can somebody send me an example script.

Context is that I'm working on getting ntpsec to run on RTEMS.  (Mostly 
curious.)


We have to build and run keyword-gen on the local system so it needs to be 
built with the non-cross tools.  It's the first 5 steps under the "building 
host" header.

wscript contains:

     if ctx.options.cross_compiler:
...
        if ctx.env["CROSS-CFLAGS"]:
            # Lexically split each part of the CFLAGS, then chain the lists
            iter = [shlex.split(x) for x in opt_map["CROSS-CFLAGS"]]
            ctx.env.CFLAGS = list(itertools.chain.from_iterable(iter))

I'd expect that we would need 2 copies of CFLAGS, one for the local build and 
another for the cross-build.  Am I missing something?



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