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From:	Mark Hadfield <mark DOT hadf AT gmail DOT com>
Date:	Wed, 21 Jan 2015 16:46:04 +1300
Message-ID:	<CALLo=nonn0EexoNONUY44mbkWn1M9=E4mVhgbPRdohjup0edjg@mail.gmail.com>
Subject:	Re: Incorrect module file format in Fortran netCDF package
To:	Cygwin <cygwin AT cygwin DOT com>
X-IsSubscribed:	yes

Following up my previous message, this from
https://gcc.gnu.org/wiki/GFortran/News#gfortran_4.9.1 indicates that
the problem is due to the GCC upgrade from 4.8 to 4.9:

Module files: The version of the module files (.mod) has been
incremented; additionally, module files are now compressed. Fortran
MODULEs compiled by earlier GCC versions have to be recompiled, when
they are USEd by files compiled with GCC 4.9, because GCC 4.9 is not
able to read .mod file of earlier GCC versions; attempting to do so
gives an error message. Note: The ABI of the produced assembler data
itself has not changed: object files and libraries are fully
compatible to older versions. (Except for the next items.)

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