On Tue, 26 Jun 2001, Deborah Swayne wrote:
> > nanoftp.c:771: `AF_INET' undeclared (first use in this function)
> > nanoftp.c:781: `SOCK_STREAM' undeclared (first use in this function)
> > nanoftp.c:1090: `IPPROTO_TCP' undeclared (first use in this function)
>
> I've learned a bit more about this, and I'd say I've probably
> encountered a puzzle and a bug.
>
> The puzzle:
>
> If I'm reading config.cache correctly, configure fails to locate
> /usr/include/netinet/tcp.h
> though it finds other files in the same directory
>
> from config.cache:
> ac_cv_header_netinet_in_h=${ac_cv_header_netinet_in_h=yes}
> ac_cv_header_netinet_tcp_h=${ac_cv_header_netinet_tcp_h=no}
> but
> -r--r--r-- 1 root root 23975 Jul 24 2000 /usr/include/netinet/in.h
> -r--r--r-- 1 root root 3754 Jul 24 2000 /usr/include/netinet/tcp.h
Um ....
>
> As a consequence of that decision, HAVE_BSD_NETWORKING is not defined.
>
> The bug:
>
> nanoftp.c checks that macro before including tcp.h (and other
> files), but doesn't seem to do the right test later on when it uses
> the contents of the include files in question.
>
> All the code in the file is embedded in this test:
> #if !defined(Unix) || defined(HAVE_BSD_NETWORKING)
>
> While the test for including tcp.h (et al) is more stringent:
> #ifdef HAVE_BSD_NETWORKING
But it is as intended. Is not Unix defined on your system? Or is that
being parsed incorrectly (according to my understanding, and Harbison &
Steele's)?
Does
#if (!defined(Unix)) || defined(HAVE_BSD_NETWORKING)
work?
We do need the extra freedom on Windows, where HAVE_BSD_NETWORKING is
false but the #ifdef Win32 lines save the day.
Brian
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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