[collectd] collectd-3.10.1-alt2: rebuild failed

[Dmitry V. Levin]

On Tue, Oct 17, 2006 at 11:18:24AM +0300, Michael Shigorin wrote:
> On Tue, Oct 17, 2006 at 10:05:39AM +0200, Florian Forster wrote:
> > > after recent gcc/glibc updates collectd was one of packages
> > > which stopped to rebuild (frankly, it was quite a surprise --
> > > since so far it's been total pleasure to package and use).
> > it's surprising for me, too.
> 
> I guess...
> 
> > > In file included from apcups.c:32:
> > > collectd.h:132:1: error: "syslog" redefined
> > > In file included from /usr/include/sys/syslog.h:207,
> > >                  from /usr/include/syslog.h:1,
> > >                  from collectd.h:82,
> > >                  from apcups.c:32:
> > > /usr/include/bits/syslog.h:28:1: error: this is the location of the previous definition
> > Apparently `syslog', the function, is defined in both,
> > <syslog.h> and <bits/syslog.h>. The latter doesn't even exist
> > on systems I've checked so far..
> 
> It exists here (attached just in case).

You should not care about bits/ too much, this directory contains glibc
internals which should not be accessed directly by applications.
But <sys/syslog.h> defines syslog(3) prototype for a long time yet.
So if application defines own syslog() prototype, there is a risk to
conflict with prototype defined by glibc headers.  That is, do not define
syslog() prototype, include <syslog.h> instead.


-- 
ldv
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