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Can anyone help here please. It seems a valid Quick programming query to me. Malcolm ---------- Forwarded message ---------- Date: Thu, 29 Apr 2004 23:38:37 +0100 (BST) From: Ian Howarth <[log in to unmask]> To: [log in to unmask] Subject: fortran compilers Hi Malcolm, I wasn't sure that this was eligible as an "official" enquiry so i've sent it to your individual address. I've just installed the intel fortran [95] (ifort) compiler since i've been told, anecdotally, that it generates very fast linux i86 code. On trying it (on some f77 code!) i get various errors which i suspect relate to the old g77 "no-second-underscore" problem. There are some ifort options that look as though they're relevant (-nus) but don;t match no-second-underscore exactly (and don;t get rid of the error messages. So, i guess my query is: do you have, or know who has, any experience with this compiler, with a view to fixing up my makefile? Cheers i ========================================================================== Ian Howarth, Professor of Astronomy Dept. Physics & Astronomy, Tel: (0)20-7679-2000 (switchboard) University College London, (0)20-7679-3491 (direct) Gower Street, (0)20-7679-4373 (fax) London WC1E 6BT, UK Mail me in plain text ONLY - my spam filter rejects HTML mail, and I will not read unsolicited mail encoded with commercial software (i.e., MS-Word files)