> Hello Björn, > > > I am building OpenSceneGraph 2.6.0 from source on a machine > running SUSE 10.2. > > When running cmake script I get the following warnings. > > ... > > -- Performing Test _OPENTHREADS_ATOMIC_USE_GCC_BUILTINS > > -- Performing Test _OPENTHREADS_ATOMIC_USE_GCC_BUILTINS - Failed > > -- Performing Test _OPENTHREADS_ATOMIC_USE_MIPOSPRO_BUILTINS > > -- Performing Test > _OPENTHREADS_ATOMIC_USE_MIPOSPRO_BUILTINS - Failed > > -- Performing Test _OPENTHREADS_ATOMIC_USE_SUN > > -- Performing Test _OPENTHREADS_ATOMIC_USE_SUN - Failed > > -- Performing Test _OPENTHREADS_ATOMIC_USE_WIN32_INTERLOCKED > > -- Performing Test > _OPENTHREADS_ATOMIC_USE_WIN32_INTERLOCKED - Failed > > ... > > What version of gcc do you have? I think > _OPENTHREADS_ATOMIC_USE_GCC_BUILTINS should succeed with any > modern gcc version, but Matthias will be able to tell you > more - he wrote the atomic support.
This SUSE machine has gcc 4.1.2.20061115 (prerelease) > > > Compiling and linking OSG works ok. But if I try compile > and link my application I get the following link errors: > > > > display.o: In function 'osg::Referenced::ref() const': > > > /home/work/sim/../../dependencies/include/osg/Referenced:148: > undefined reference to 'OpenThreads::Atomic::operator++()' > > > > display.o: In function 'osg::Referenced::unref() const': > > > /home/work/sim/../../dependencies/include/osg/Referenced:165: > undefined reference to 'OpenThreads::Atomic::operator--()' > > > > Anyone have any ideas how to solve this? > > You need to link to OpenThreads now, which was not required > before the Atomic ref counting was integrated into OSG. That > will resolve those linker errors. Im sorry to report that explicitly linking the OpenThreads library does not resolve this issue. /Björn _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
