Intel Fortran (Windows) f77 compatibility

From: Stuart Biggar (sbiggar_at_email.arizona.edu)
Date: 01/29/05

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    Date: Sat, 29 Jan 2005 07:27:27 -0700

    I'm not a Fortran expert but rather a novice user who knows enough
    to get in over my head.

    I need to compile a legacy f77 code (multiple source files) that does
    a fairly simple atmospheric correction on Windows 2000 (or XP). I
    have v7 of the Intel Windows Fortran compiler installed. I have
    modified the UNIX makefile so it works (sort of) with nmake.
    ifl complains about obsolete code and fails to compile some modules.
    Sun Fortran (Studio 9 on x86 or SPARC) compiles the code without
    complaint (f90 -f77), runs, and gets results consistent with what
    we got with older code compiled with the Sun Forte/Workshop f77
    compilers. We would like to run the code on Windows besides Solaris.

    I've searched the on-line docs but couldn't fine a way to allow
    f77 compatibility but I may have missed something. Can anyone
    suggest command line options to allow "obsolete" f77 code to
    compile with the Intel ifl? Or is there some other way to call
    the Intel compiler that would possibly work better with "obsolete"
    f77 code? We purchased the Intel compiler based on reading good
    reviews of performance on Windows and it has worked for another,
    much more complicated f77 code. I would rather not modify the code
    as I'm not a Fortran expert. I could upgrade to v8 if that would
    fix the compatibility issue.

    Thanks,

    Stuart

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