[Libvir] [PATCH] * qemud/remote.c: Don't include <getopt.h>. Not used.
Daniel P. Berrange
berrange at redhat.com
Wed Mar 19 14:08:58 UTC 2008
On Wed, Mar 19, 2008 at 01:50:27PM +0000, Richard W.M. Jones wrote:
> On Wed, Mar 19, 2008 at 01:25:33PM +0000, Daniel P. Berrange wrote:
> > On Wed, Mar 19, 2008 at 01:11:18PM +0000, Richard W.M. Jones wrote:
> > > On Wed, Mar 19, 2008 at 02:08:44PM +0100, Jim Meyering wrote:
> > > > I had a few in-progress changes from a week or two ago,
> > > > and am clearing the decks.
> > > >
> > > > I added a new build-checking rule (coming separately)
> > > > and it exposed an unnecessary include:
> > >
> > > +1
> > >
> > > So we have a way to find header files which are unused?
> > No - this is impossible unless you have a copy of every OS we've ever
> > tested on. It may be unused on Linux, but may be needed on Solaris, etc
> > etc. Removing <getopt.h> is an obviously safe action, but in general
> > we should be wary of removing supposedly unused heads.
> Surely we can do it for POSIX calls?
> Of course the OS / libc itself may not obey POSIX ...
Yeah, I'm not convinced any OS is fully compliant with POSIX header file
definitions - particularly when you get into more obscure platforms like
win32/cygwin, or even just slightly older Linux. And we're compiling with
the _USE_GNU extension defined so the headers we're including on Linux
aren't even in POSIX compliant mode anyway
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