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Date:	Fri, 17 Oct 2014 11:01:31 -0400
From:	Eliot Moss <moss AT cs DOT umass DOT edu>
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To:	cygwin AT cygwin DOT com
Subject:	Re: Running a program in Cygwin that was compiled in Linux
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On 10/17/2014 10:06 AM, Arjen Markus wrote:
> Hi Linda,
>
> I doubt very much that you can just copy the object files and get a
> working program that way. Does g77 have a cross-compile option?

I will go farther and say the objects simply will not work.
The object format is different, among other things.  Cygwin
is not a pure emulation -- it is a *Windows* library that tries
to make Windows look like Linux (Posix, actually), mostly.

> An alternative is to identify the problem areas in the programs and
> adjust them to standard Fortran (g77 does allow a number of
> non-standard constructs, but these date back some 30 years). If you
> need help with that, you can ask on comp.lang.fortran (or perhaps on
> the gfortran mailing list, though that is more for the compiler itself
> than for the programs you want to build with it).

Either you need to make the program build under cygwin, using
cygwin compilers, or port the program to Windows, or run inside
a virtual machine, such as Virtual Box.  Maybe a virtual machine
is your best bet here.

Regards -- Eliot Moss

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