[Insight-users] Tiger OSX

[Hxsham Fire]

Hi All,
I have finally got to the point where I can actually
compile ITK, but with certain compromises...
I have changed the c++ to c++-4.0 while using gcc-3.3
or gcc-4.0 in order to solve the following problem:
     vnl_math.cxx:208: 
     error: `
         __isnan' undeclared (first use this function)
however I also had to turn the BUILD_TEST OFF and
BUILD_EXAMPLES OFF, the reason is that "vnl_math::pi"
and other symbols similar to that were not defined... 
note: examples that did not use the "vnl_math" symbols
had no problem compiling and also my project
compiled...
I tried to follow that error to see where these should
be defined and came to realise that some of the
preprocessor macros do not function well in MAC OSX
(maybe ??) :
vnl_math::pi is defined in
Utilities/vxl/core/vnl/vnl_math.cxx
with the following condition:
#if !VCL_STATIC_CONST_INIT_FLOAT_NO_DEFN

my analysis is that some of the symbols defined in the
math library in ITK are not functioning well in MAC
OSX and as long as they are not reffered to things do
compile...

Thanks
Hxsham
--- Zachary Pincus <zpincus at stanford.edu> wrote:
> Hello all,
> 
> I've been trying to figure out Hxsham's problem for
> a few days with  
> little success. Here's what he reported as the
> error:
> 
> >
>
/Users/hharik/hisham/insight_cvs/Insight/Utilities/vxl/core/vnl/
> 
> > vnl_math.cxx:
> > In
> >    function `bool vnl_math_isinf(float)':
> >
>
/Users/hharik/hisham/insight_cvs/Insight/Utilities/vxl/core/vnl/
> 
> > vnl_math.cxx:208:
> > error: `
> >    __isnan' undeclared (first use this function)
> >
>
/Users/hharik/hisham/insight_cvs/Insight/Utilities/vxl/core/vnl/
> 
> > vnl_math.cxx:208:
> > error: (Each
> >    undeclared identifier is reported only once for
> > each function it appears
> >    in.)
> 
> There have been a few people who have reported this
> problem (or other  
> ones with __isnan later on in link-phase) on the
> list. Most seem to  
> involve OS X. (see e.g.  
>
http://public.kitware.com/pipermail/insight-users/2005-April/
> 
> 012653.html )
> 
> Here are all the conditions Hxsham was able to
> replicate the problem in:
> 
> > - i tried a clean compilation of ITK 2.0.0 and ITK
> > 2.0.1 and cvs version.
> > -i tried changing the compilers from c++, c++-3.3,
> > c++-4.0, g++-3.3 and g++4.0
> > - i also tried changing gcc, gcc-3.3, and gcc-4.0
> > - i tried all the above compilers as well as
> different
> > combinations of them... i.e.  changing one but not
> the
> > other
> > - i have shared libraries OFF,
> >          tried GDCM ON and OFF
> >          tried BUILD_TEST ON and OFF
> >
> > i am working on G5 with Mac OSX Tiger installed...
> 
> Zach
> 
> 
> 
> On May 19, 2005, at 9:46 AM, Hans Johnson wrote:
> 
> > Hxsham,
> >
> > I've ben building the latest release with the
> gcc-4 compiler AND all  
> > the
> > wrapping sucessfully for a few weeks under Tiger
> OSX.
> >
> > It seems to work just fine for our lab. If you
> provide more information
> > about the exact errors you are having, perhaps we
> can be of help.
> >
> > Hans
> >
> >
> > On May 19, 2005 11:08 AM, Hxsham Fire
> <hxsham at yahoo.com> wrote:
> >
> >> Hi,
> >> Unfortunately i was not able to get ITK to
> compile yet
> >> on my G5 with Tiger OSX.  But my laptop that runs
> MAC
> >> OSX 10.3.8 still compiles ITK correctly.  So I am
> >> thinking that the problem is not with gcc-3.3 but
> >> rather with the mac updates...
> >> Hxsham
> >>
> >>
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> >>
> >
> >
> >
> > Hans Johnson
> > hans-johnson at uiowa.edu
> >
> > _______________________________________________
> > Insight-users mailing list
> > Insight-users at itk.org
> > http://www.itk.org/mailman/listinfo/insight-users
> >
> 
> 

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