On Thu, Jan 24, 2008 at 01:17:14PM -0800, Junio C Hamano wrote: > Robert Schiele <rschiele@xxxxxxxxx> writes: > > > The select stuff is already in sys/time.h on on some systems like HP-UX > > thus we should not include sys/select.h in that case. > > > > Signed-off-by: Robert Schiele <rschiele@xxxxxxxxx> > > The patch looks good. I'd rather try to be a bit more helpful > to people who want to port git to their system that is not > HP-UX, though. > > How about wording it like this? > > Subject: pre-POSIX.1-2001 systems do not have <sys/select.h> > > POSIX.1-2001 has declaration of select(2) in <sys/select.h>, but > in previous version of SUS, it is declared in <sys/time.h>, > which is already included in git-compat-util.h. > > This introduces NO_SYS_SELECT_H macro in the Makefile to be set > on older systems, to skip inclusion of <sys/select.h> that does > not exist on them. > > We could check _POSIX_VERSION with 200112L and do this > automatically, but earlier it was reported that the approach > does not work well on some vintage of HP-UX. Other systems may > get _POSIX_VERSION itself wrong. At least for now, this manual > configuration is safer. I have no strong opinion on the wording. Sounds reasonable to me. Robert -- Robert Schiele Dipl.-Wirtsch.informatiker mailto:rschiele@xxxxxxxxx "Quidquid latine dictum sit, altum sonatur."
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