[Qt-interest] Qt 64Bit for windows

[Malyushytsky, Alex]

I've mentioned already, you don't need to do anything special in configure to specify that you want 64 bit.
For example to build win32 and x64 versions of Qt  I invoke the SAME commands for configure.

The difference is which compiler you invoke.
Microsoft provides win32, x64 cross compiler ( compile 64 bit on win32 systems) and finally x64 compiler.
Set correct environment in any way possible, run configure ...


Just an example how I do it with Visual Studio 2005.
Open console window with environment set for compiler I want

- for win32:
\Start\All Programs\Microsoft Visual Studio 2005\Visual Studio Tools\Visual Studio 2005 Command Prompt
- for x64
\Start\All Programs\Microsoft Visual Studio 2005\Visual Studio Tools\Visual Studio 2005 x64 Win64 Command Prompt


Then in command prompt type:
configure -platform win32-msvc2005  -debug-and-release

when it is finished type:
nmake


Regards,
  Alex

From: caius ligarius [mailto:caius9090 at gmail.com] 
Sent: Monday, November 15, 2010 3:14 PM
To: Malyushytsky, Alex
Cc: qt-interest at trolltech.com
Subject: Re: [Qt-interest] Qt 64Bit for windows

Thanks again. The documentation doesn't say anything about configure for 64Bit. the reason i said cryptic was because it doesn't say exactly what option i need to specify for 64bit. i tried a few options but looks like it didn't do anything. any ideas as to what options i would give for configure? after that how would i use nmake to compile the libraries?

On Mon, Nov 15, 2010 at 2:54 PM, Malyushytsky, Alex <alex at wai.com> wrote:
>> I looked the Qt's instructions to install on windows but it is very cryptic and not very clear for a novice programmer like me who is not very familiar with compiling Qt even on x86 systems.
 
AFAIK there is no way to build Qt (since 4.1+ ) in "non- cryptic" so you have to follow the instructions.
And again there is no to little difference for which system you build.
 
The whole building process consists of a few steps:
 
-          Set environment for compiler.
-          Let Qt know which compiler settings to use (configure )
-          Invoke compilation (nmake, etc)
 
Unfortunately I can't explain it better than documentation does.
 
Alex
 
 
From: qt-interest-bounces at trolltech.com [mailto:qt-interest-bounces at trolltech.com] On Behalf Of caius ligarius
Sent: Monday, November 15, 2010 1:34 PM
To: Daniel Franke

Cc: qt-interest at trolltech.com
Subject: Re: [Qt-interest] Qt 64Bit for windows
 
No I have not tried to compile using MinGW. I am not really much of a programmer and am struggling to compile on 64Bit without any clear documentation to do this. I looked the Qt's instructions to install on windows but it is very cryptic and not very clear for a novice programmer like me who is not very familiar with compiling Qt even on x86 systems.
 
Caius
 
 
 
On Mon, Nov 15, 2010 at 12:52 PM, Daniel Franke <franke.daniel at gmail.com> wrote:
2010/11/13 Konstantin Tokarev <annulen at yandex.ru>:
> 13.11.2010, 06:14, "caius ligarius" <caius9090 at gmail.com>:
> > Are there 64Bit Qt libraries available for windows? If not, then will I need
> > to download source and build in 64Bit in order to get these libraries?
>
> Do you have stable MinGW for 64-bit Windows?
Hi Konstantin,

to me, as a casual observer, this project very much looks like it:

   http://mingw-w64.sourceforge.net/
   http://sourceforge.net/projects/mingw-w64/files/

Did, by any chance, you try to compile Qt on 64bit Windows with this?
Any experience you - or anyone else - could share?

Thanks

    Daniel
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