Oh, that's strange. I'm pretty sure I've used -x assembler when I've
experimented with using cpp on dts manually before, and it seems to
have worked.
Maybe you used "-x assembler-with-cpp"? That should work better ;-)
Or just use the "-traditional-cpp" option, i.e. "gcc -E -traditional-
cpp".
Note that IIRC with gcc cpp, -x assembler also means
that # won't be handled as a cpp directive except in column 0 which is
also an advantage for us, although no longer essential with your
escaping support. Not all cpps have an equivalent option, though.
This is how the traditional C pre-processor behaves. I don't think
this is exactly what matters for DTS, or does it ever happen that
you have a # preceded only by whitespace? The # and ## stringification
and token pasting ops will of course bite you with the ISO C pre-
processor,
indeed.
Segher
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