On Tuesday 24 July 2012 15:38:55 Horst Kronstorfer wrote: > On 07/24/2012 05:28 PM, Mike Frysinger wrote: > > On Tuesday 24 July 2012 06:11:04 Horst Kronstorfer wrote: > >> On 07/19/2012 05:22 AM, Mike Frysinger wrote: > >>> On Friday 13 July 2012 09:03:40 Horst Kronstorfer wrote: > >>>> Add '-undef' to DTS_CPPFLAGS to avoid unwanted expansion of dts > >>>> content that matches system-specific or gcc-specific predefined > >>>> macros. > >>>> > >>>> Example: A number of PowerPC related *.dts files in the kernel define > >>>> a property named 'linux,network-index' which (w/o '-undef') is > >>>> expanded to '1,network-index' by the preprocessor because of '#define > >>>> linux 1.' > >>> > >>> i think you should use -ansi instead. that's what we use in other > >>> places for the same reason. > >> > >> this would increase the probability of a name clash. > > > > no idea what you're talking about. have you actually looked at the > > output of `gcc -E -dD -ansi` ? > > $ gcc -E -dM -ansi - </dev/null | wc -l > 229 > $ gcc -E -dM -undef - </dev/null | wc -l > 2
and ? did you *look* at the output ? they're all of the form __foo__. do any device trees really use __foo__ names ? i don't think so. -mike
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