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Re: Patch: tfformat.c doesn't compile under hpux 10.20
- To: "John David Anglin" <dave at hiauly1 dot hia dot nrc dot ca>
- Subject: Re: Patch: tfformat.c doesn't compile under hpux 10.20
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Tue, 12 Sep 2000 10:03:44 -0600
- cc: gcc-bugs at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
- Reply-To: law at cygnus dot com
In message <200009111848.OAA26783@hiauly1.hia.nrc.ca>you write:
> > In message <200009111654.MAA26451@hiauly1.hia.nrc.ca>you write:
> > > This patch fixes a problem compiling the test program tfformat.c unde
> r
> > > hpux 10.20. The include of stdlib.h has been removed because under h
> pux
> > > it results in the inclusion of stdio.h. The definitions in stdio.h
> > > conflict with those in iostdio.h.
> > >
> > > The header stdlib.h was included for `exit'. The single use of exit
> in
> > > the program has been changed to a return. Tested under hpux and i686
> > > linux.
> > I must have missed the original thread. What definitions conflict and is
> > it possible to fix the conflict?
>
> The original thread was "libio testsuite: timeout compiling tFile.cc". Bun
> dled
> with the patches to work around the timeout was a patch to fix the compile
> problem for tfformat.
>
> This problem was created by the following patch:
>
> 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
>
> * tfformat.c: Include stdlib.h.
>
> Here is a sample of the conflicts:
[ ... ]
> /xxx/gnu/gcc-2.96/objdir/gcc/include/stdio.h:76:33: warning: "_IOLBF" redef
> ined^M
> ../../../../libio/iostdio.h:48:1: warning: this is the location of the prev
> ious definition^M
>
> I don't believe that the conflicts can be eliminated because the header
> iostdio.h is supposed to define "a stdio-like environment".
Seems to me that wrapping the offending definitions in an
#ifndef block or prefixing them with a #undef would be sufficient to
deal with this problem.
jeff