CGAL users discussion list

[Marc Pouget <>]

HI,

I'm on Mac and hence have the same pb,  

I tried to add the option in the CmakeCache.txt with 

//Flags used by the compiler during all build types.
CMAKE_C_FLAGS:STRING=-std=c99

But it doesnt solve the pb, 

Am I doing things the wrong way?

Thanks,
Marc


On Feb 24, 2011, at 10:30 AM, Eric Berberich wrote:

> Joachim Reichel wrote:
>> Hi,
>>> I'm running on Mac OS X 10.6.5 Intel Core 2 Duo (64-bit) and I'm compiling
>>> with g++ 4.2.1. Boost has been downloaded following the link provided in
>>> the CGAL installation manual and the version is 1.40.0.
>>> I'm also attaching the hw_rounding.hpp lines.
>>> Thanks
>>> 
>>> 
>>> #ifndef BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
>>> #define BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
>>> #include <boost/numeric/interval/rounding.hpp>
>>> #include <boost/numeric/interval/rounded_arith.hpp>
>>> 
>>> #define BOOST_NUMERIC_INTERVAL_NO_HARDWARE
>>> 
>>> // define appropriate specialization of rounding_control for built-in 
>>> types
>>> #if defined(__x86_64__) && defined(__USE_ISOC99)
>>> #  include <boost/numeric/interval/detail/c99_rounding_control.hpp>
>> looking at the conditions of this include it seems that __USE_ISOC99 is not
>> defined. Can you try the compiler option -std=c99 ?
> 
> Thanks Joachim for pointing out. Indeed on Mac OS this option is needed.
> 
> eriC
> 
> 
> 
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