[Dovecot] fallocate and glibc 2.10

[Paul Howarth]

On Sun, 24 Oct 2010 15:10:08 +0100
Timo Sirainen <tss at iki.fi> wrote:

> On 22.10.2010, at 19.22, Paul Howarth wrote:
> 
> > In glibc 2.10 (32 bit) fallocate() exists but fallocate64() doesn't.
> > When _FILE_OFFSET_BITS==64, fallocate() is a redirect to
> > fallocate64() and the program can't be linked (fails to find symbol
> > fallocate64). See http://bugzilla.redhat.com/500487
> 
> Yeah, I knew about it happening also on Ubuntu 9.10.
> 
> > Attached patch detects fallocate() more robustly to guard against
> > this problem.
> 
> 
> A lot of code just to work around a bug that apparently only exists
> in Ubuntu 9.10 and Fedora 11. Is there a reason for anyone to be
> actually using either of them? I was thinking about just ignoring
> this problem.

Don't know about Ubuntu but Fedora 11 is already EOL'ed so there's no
need to fix it for that. Didn't realise that glibc 2.10 was that rare.

Paul.