[Interest] Building 32-bit Qt 5 on Mac

[Thiago Macieira]

On terça-feira, 24 de abril de 2012 11.41.14, Stephen Chu wrote:
> So I grabbed Qt 5 from git to give it a shot again. I am now more
> confused then before. :)
> 
> The configure script uses pre-processor output from
> qtbase/config.tets/arch/arch.cpp to determine the host and target
> architectures (around line 3707). I assume this is to setup compiler
> flags for various features (SSE2, etc).
> 
> It then check the architecture that qmake is built in and adds it to
> QT_CONFIG (line 4968). This makes the built libs in the same
> architecture as qmake.
> 
> I guess I need to make/hack/trick the 2 the same to have a chance to
> make it work? The former is using i386 while the later wants x86. So I
> can't just copy them.
> 
> I don't think I am capable of coming up with a elegant solution. The
> only way I can do it is to just hard code the architectures into the
> configure script and hope for the best. :(

I think this discussion should be moved to development at qt-project.org. Cross-
posting now. Please drop interest at qt-project.org when replying.

Like we've said before, you need to make the compiler flags such that it 
produces a non-universal build of one single architecture: x86. Then the arch-
detection should work correctly.

Unless you're saying that the arch-detection is broken. Well, it is in one 
way, I'm fixing it, but I don't think it's related to your problem.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center
     Intel Sweden AB - Registration Number: 556189-6027
     Knarrarnäsgatan 15, 164 40 Kista, Stockholm, Sweden
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