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From Jeff Trawick <traw...@attglobal.net>
Subject Re: apr_lstat() fails on linux for large files
Date Fri, 28 Feb 2003 21:37:38 GMT
Joe Orton wrote:

> On Fri, Feb 28, 2003 at 02:23:31PM -0500, Cliff Woolley wrote:
> ...
>
> >Of course, if I go and explictly compile Apache with
> >CFLAGS=-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64, then it works.
> >
> >So I guess the ultimate questions are these:
> >
> >(a) Why doesn't Apache automatically include largefile support?
> >Performance reasons?  Shouldn't there at least be an easy ./configure
> >option to turn it on?
>
>
> There are at least two ramifications of doing this (this is all only
> relevant on 32-bit systems):


isn't there also the problem that sendfile will be broken on many Linux 
boxes?

>
> - Apache/APR compiled with _FILE_OFFSET_BITS=64 has an incompatible
> module ABI with one which isn't - this is especially nasty if you don't
> detect it at module load time.

something we can fix for APR 1.0/Apache 2.1-dev by making apr_off_t 
always 64 bits whether native apr_off_t is 64 bits or not?


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