[collectd] collectd 4.6.1 make fails on FreeBSD

[Ulf Zimmermann]

> -----Original Message-----
> From: Sergey Vinogradov [mailto:boogie at lazybytes.org]
> Sent: Saturday, May 02, 2009 4:31 AM
> To: Florian Forster
> Cc: Ulf Zimmermann; Boogie; Doug MacEachern; collectd at verplant.org
> Subject: Re: [collectd] collectd 4.6.1 make fails on FreeBSD
> 
> Florian Forster пишет:
> > Hi all,
> >
> > first off: Thanks to Ulf for providing a FreeBSD test system :)
> >
> > On Sun, Apr 19, 2009 at 12:45:55AM -0700, Ulf Zimmermann wrote:
> >>>> client.c: In function 'lcc_putval':
> >>>> client.c:752: warning: implicit declaration of function 'isnanf'
> >>>> client.c:752: warning: incompatible implicit declaration of built-
> in function 'isnanf'
> >
> > There are two `isnan' functions: `isnan (double)' and `isnanf
> (float)'.
> > The former is part of C99 and X/Open 6, the latter is a BSD
> extension.
> >
> > Because `client.c' tries to be as standard-conforming as possible,
> > `isnanf' is not declared for it. This would be fine, if `isnan'
> wasn't
> > declared as this macro:
> >   #define isnan(x)                                        \
> >       ((sizeof (x) == sizeof (float)) ? isnanf(x)         \
> >       : (sizeof (x) == sizeof (double)) ? isnan(x)        \
> >       : __isnanl(x))
> >
> > This macro tries to determine which type of value is passed in,
> float,
> > double or long double, and calls `isnanf', `isnan' or `__isnanl'
> > accordingly. This follows C99, which says that "the determination is
> > based on the type of the argument".
> >
> > Disabling standards conformance seems to avoid this problem, but I'm
> > fairly sure this is a bug in FreeBSD's libc. Does anyone of you know
> > where to report a (potential) bug like this?
> >
> > Regards,
> > -octo
> То freebsd-standards at freebsd.org mailing list, I suppose.

Also see http://www.freebsd.org/support/bugreports.html