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dll problem with gfortran under cygwin

I have a problem when I build the code here enclosed.

If I build a dll with

gfc -shared -o read_gfc.dll readcycle.f90

and then link to it the program

gfc -o read readgfc.f95 -L. -lread_gfc

everything build fine.

But when I launch it I got


Type de problème Laplace simple ou Shrödinger (L/S) :
Fortran runtime error: End of file

The error occurs on a call to a routine in the module.

But if I build the object into the exe statically it works.

Is it a problem with gfortran or with gcc ?

What can I do to solve it ? (I need to use dlls)

Sincerely yours,
            Pasa Guglielmo

--------------      ¦  tel. :  +41 (0)24 485 50 40 ¦

 mailing : Pasa Guglielmo       ¦  fax  :  +41 (0)24 485 50 44 ¦
           Rte des Cases 17A    ¦                              ¦ 
           CH-1890 St-Maurice   ¦  prof.: physicist,teacher    ¦
           (Switzerland)        ¦         & PhD Student        ¦ 

Ph.D.Student at:

Ecole Polytechnique Fédérale de Lausanne (EPFL)
Laboratory of Physics of Nanostructures
CH-1015 Lausanne, Switzerland

Attachment: readcycle.f90
Description: Text document

Attachment: readgfc.f95
Description: Binary data

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