[Interest] [Mingw-w64-public] Not getting large file support when configuring Qt 4.8.4 for win32-g++-4.6
K. Frank
kfrank29.c at gmail.com
Mon Apr 15 15:56:36 CEST 2013
Hi Kai!
On Mon, Apr 15, 2013 at 8:58 AM, Koehne Kai <Kai.Koehne at digia.com> wrote:
>
>> -----Original Message-----
>> From: interest-bounces+kai.koehne=digia.com at qt-project.org
>> Subject: Re: [Interest] [Mingw-w64-public] Not getting large file support
>> when configuring Qt 4.8.4 for win32-g++-4.6
>>
>> [...]
>> > So ... LFS is enabled with 4.8.4 on MinGW by default, and the configure
>> output is just plain wrong. Just ignore it.
>>
>> Okay, just to confirm: The multiple-define warnings are just that, annoying
>> warnings. I can safely ignore them. True?
>
> Yeah. The warnings stem from the fact that QT_LARGE_FILE_SUPPORT is both defined in qconfig.h (written by configure) and the compiler call in the makefile (generated by qmake).
>
>> Also, if I care to eliminate the warnings, I can hand edit my qmake.conf file to
>> make the one-line change removing the QT_LARGEFILE_SUPPORT define,
>> following the patch you posted the link to. True?
>
> That'll work, but I also understood that you only get them if passing '-largefile' to configure. If you skip that, you don't get warnings either, right?
Just to clarify, not exactly.
I ran configure without -largefile. When I saw that the output of configure
claimed that large file support was off, I didn't even try the build, so I
don't know whether I would have gotten the warnings or not.
I think I will try running configure without -largefile, and then building
just to see.
(As you will see in a new thread I haven't started yet, I think I will be
running configure / build many times ...)
> Regards
>
> Kai
Thanks again for your help.
K. Frank
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