[U-Boot] [PATCH] fdt: Enhance dts/Makefile to be all things to all men

[Wolfgang Denk <wd@denx.de>]

Dear Simon,

In message <CAPnjgZ2a+qrsPWTz5Y=48m_LCRqAikY0-seJudW8AY5asdwmxw@mail.gmail.com> you wrote:
> 
> > I think this is not a good way to address this issue.  The GCC
> > documentation (section "System-specific Predefined Macros" [1])
> > desribes how this should be handled.  The "correct" (TM) way to fix
> > this is by adding "-ansi" or any "-std" option that requests strict
> > conformance to the compiler/preprocessor command line.
> >
> > [1] http://gcc.gnu.org/onlinedocs/cpp/System_002dspecific-Predefined-Macros.html#System_002dspecific-Predefined-Macros
> 
> Stephen suggested a slightly more extreme version too - I was worried
> that all the typing stuff in U-Boot headers would break in this case,
> but I didn't actually test it, so perhaps it is fine.

Yes, I've seen it.  I think either approach is better that manually
undef-ing specific variables.  From my personal point of view I think
the -undef approach is a bit of overkill, but I would not protest.

Best regards,

Wolfgang Denk

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