[Insight-developers] Compiling a 32bits app using ITK in a 64bits linux environment (gcc)

[Bradley Lowekamp]

Did you provide those command line parameter the first time CMake ran is configuration?

By adding those options afterwards you are changing the architecture you are compiling for, so thing left in the CMakeCache may be wrong. You must have those the first time CMake performs it's configuration.

Brad

On Apr 2, 2013, at 11:13 AM, Benoit Scherrer <benoitscherrer at gmail.com> wrote:

> Hi,
> 
> I successfully compiled ITK 4.4 (from the git repository today)
> in 32bits on my x86_64 linux.
> I'm using the cmake command line parameters:
> -DCMAKE_CXX_FLAGS:STRING=-m32 -DCMAKE_C_FLAGS:STRING=-m32 -DCMAKE_EXE_LINKER_FLAGS:STRING=-m32 -DCMAKE_REQUIRED_FLAGS:STRING=-m32
> However, when compiling an application using it (with the same -m32 parameters for cmake) i get the typical error from itkMathDetail.h
> 
> 
> 177:38: error: '_mm_set_sd' was not declared in this scope
> 177:40: error: '_mm_cvtsd_si32' was not declared in this scope
> etc..
> Do you know what is happening? I deleted the whole build directories and rebuild everything from scratch (with the -m32 parameters) to be sure to have a clean CMakeCache for both ITK and my app but it was not successful.
> 
> 
> Any idea?
> 
> Thanks!
> 
> 
> B
> 
> 
> 
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