Paul Koning:
> >>>>> "Ralf" == Ralf Wildenhues <Ralf.Wildenhues@???> writes:
>
> Ralf> I feel like I'm stating the obvious, but maybe you're just
> Ralf> trying to rediscover feature-based tests: do a test compile
> Ralf> that exposes the compiler bug or feature you're looking for.
>
> Ralf> Autoconf provides a framework that supports this kind of
> Ralf> testing, among others.
>
> Autoconf is a massively cryptic and complicated way to make up for the
> lack of "I have feature X" CPP flags in the compiler.
>
> Chris is right, that's the correct way to do things.
>
> paul
Cpp does not, however, define macros based on command line options,
for example __C99_STD_CMD_LINE_OPTION__. You could do the same thing
yourself with a -D__MY_C99_STUFF__, for example, on the command line.
I also feel like I keep stating the obvious, but there are a lot of
GNU C platforms that don't use glibc and wouldn't have any need for
such feature-based macros, (or they would need their own unique
features) but they still comply with standard C.
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