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Re: fseeko broken by Fedora rawhide glibc / git master (ie future 2.28)
From: |
Richard W.M. Jones |
Subject: |
Re: fseeko broken by Fedora rawhide glibc / git master (ie future 2.28) |
Date: |
Wed, 7 Mar 2018 15:39:00 +0000 |
User-agent: |
Mutt/1.5.20 (2009-12-10) |
On Wed, Mar 07, 2018 at 03:23:10PM +0000, Daniel P. Berrangé wrote:
> On Wed, Mar 07, 2018 at 09:05:59AM -0600, Eric Blake wrote:
> > On 03/05/2018 01:25 PM, Paul Eggert wrote:
> > > On 03/05/2018 11:20 AM, Daniel P. Berrangé wrote:
> > > > Yes, this worked on rawhide when I tested with libvirt.
> > >
> > > Thanks, I installed it into Gnulib since it was breaking builds. Bruno's
> > > the expert here, and perhaps he can come up with something better.
> >
> > It looks like Rich is hitting a similar problem when trying to test gnulib
> > on RISC-V:
> >
> > https://fedorapeople.org/groups/risc-v/logs/lbzip2-2.5-8.fc27.src.rpm/build.log
> >
> >
> > gcc -DHAVE_CONFIG_H -I. -O2 -g -pipe -Wall -Werror=format-security
> > -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions
> > -fstack-protector-strong -grecord-gcc-switches
> > -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -c -o printf-args.o
> > printf-args.c
> > fseterr.c: In function 'fseterr':
> > fseterr.c:77:3: error: #error "Please port gnulib fseterr.c to your
> > platform! Look at the definitions of ferror and clearerr on your system,
> > then report this to bug-gnulib."
> > #error "Please port gnulib fseterr.c to your platform! Look at the
> > definitions of ferror and clearerr on your system, then report this to
> > bug-gnulib."
> > ^~~~~
> > make[3]: *** [Makefile:1474: fseterr.o] Error 1
> >
> > where I suspect the real problem is that the glibc header changes have
> > interfered with what fseterr.c used to rely on.
>
> Yes, that's the exact same problem (_IO_ftrylockfile is no longer
> defined because libio.h went away). The solution Paul did in
>
> commit 4af4a4a71827c0bc5e0ec67af23edef4f15cee8e
> Author: Paul Eggert <address@hidden>
> Date: Mon Mar 5 10:56:29 2018 -0800
>
> fflush: adjust to glibc 2.28 libio.h removal
>
> should fix/workaround that, as it covers fseterr.c.
Thanks, that explains why the error didn't seem to have anything
to do with RISC-V :-)
FWIW I am currently (and very ... very ... slowly) running the whole
gnulib test suite on the platform.
Rich.
--
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