On Tue, 18 Mar 2014, Mike Frysinger wrote:
> On Tue 18 Mar 2014 15:46:43 Robert P. J. Day wrote:
> > just noticed under /usr/include on my fedora rawhide system the
> > following:
> >
> > /usr/include/bits/environments.h:# define __ILP32_OFFBIG_CFLAGS "-m32
> > -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
> > /usr/include/python3.3m/pyconfig-64.h:#define _LARGEFILE_SOURCE 1
> > /usr/include/features.h: _LARGEFILE_SOURCE Some more functions for
> correct
> > standard I/O. /usr/include/features.h:# undef _LARGEFILE_SOURCE
> > /usr/include/features.h:# define _LARGEFILE_SOURCE 1
> > /usr/include/features.h:#ifdef _LARGEFILE_SOURCE
> > /usr/include/python2.7/pyconfig-64.h:#define _LARGEFILE_SOURCE 1
> >
> > but there's no mention of "_LARGEFILE_SOURCE" in "man
> > feature_test_macros". is that assumed to be implied by
> > _LARGEFILE64_SOURCE? it's not clear.
>
> nope, none of the three LFS flags imply each other, nor should they.
> they're related, but orthogonal by design.
... snip ...
i mentioned this only because the current features.h header file
mentions this macro near the top in the documentatiin:
...
_LARGEFILE_SOURCE Some more functions for correct standard I/O.
_LARGEFILE64_SOURCE Additional functionality from LFS for large files.
_FILE_OFFSET_BITS=N Select default filesystem interface.
...
but the man page for "feature_test_macros" says nothing about it. just
an observation.
rday
--
========================================================================
Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
LinkedIn: http://ca.linkedin.com/in/rpjday
========================================================================
--
To unsubscribe from this list: send the line "unsubscribe linux-man" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
