CGAL users discussion list

["Laurent Rineau (GeometryFactory)" <>]

Le jeudi 03 septembre 2009 11:56:18, Laurent Saboret a écrit :
> 陳 柏宏 a écrit :
> > Hi,
> > I am having difficulty compiling CGAL projects with qt4 using Mac OS 10.6
> >
> > I get the error
> >
> > /Library/Frameworks/QtGui.framework/Headers/qregion.h: In member
> > function ‘OpaqueRgnHandle* QRegion::handle(bool) const’:
> > /Library/Frameworks/QtGui.framework/Headers/qregion.h:158: error:
> > ‘toQDRgn’ was not declared in this scope
> >
> > Searching online yielded a solution that involved adding a
> > CONFIG += x86
> > to the .pro file

That is a very strange solution! There must be something wrong in that setup! 
Maybe you should try to upgrade your Qt version, to see if that bug has been 
corrected.

> > CGAL uses cmake though. Is there a way to do the same thing in the
> > CMakeLists.txt??
>
> Try do add -DCGAL_CXX_FLAGS=x86 to cmake arguments (or define
> CGAL_CXX_FLAGS=x86 in cmake-gui).

Actually, that is "-arch i386" that you need to add to your compiler flags. 
"x86" alone is not a correct compiler flag.

-- 
Laurent Rineau, PhD
Release Manager of the CGAL Project
http://www.cgal.org/
R&D Engineer at GeometryFactory
http://www.geometryfactory.com/