Dear Laurence Marks >You will need to provide much more information: ok:
$ uname -a Linux lpat 2.6.31.5-127.fc12.x86_64 #1 SMP Sat Nov 7 21:11:14 EST 2009 x86_64 x86_64 x86_64 GNU/Linux $ g++ --version g++ (GCC) 4.4.2 20091027 (Red Hat 4.4.2-7) $ gcc --version gcc (GCC) 4.4.2 20091027 (Red Hat 4.4.2-7) Im using PGI 10 with wien2k_09 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://zeus.theochem.tuwien.ac.at/pipermail/wien/attachments/20110529/e978e99a/attachment.htm>