On Tue, Feb 10, 2009 at 2:19 AM, Pecoraro, Alexander N <[email protected]> wrote: > > On the Enterprise Redhat Linux computer I have 4 64 bit dual core Xeon > 3Ghz processors. > > On my Windows XP computer I have an Intel 64 bit Core2 DUO 2Ghz CPU. > > BTW, I found in the GCC documentation that if the gcc linker reports an > undefined reference to __sync_add_and_fetch_4 then that means the > built-in atomic functions are not supported on your processor. So my > Linux computer must not support atomic built in functions
It sure does, I believe everything from 486 up does. You might need to add a -march=native (or the specific equivalent) option to gcc, even though I only ever needed that with 32 bit code. -- Csaba _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

