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Date:	Mon, 24 Nov 2014 22:59:34 +0100
From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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To:	cygwin AT cygwin DOT com
Subject:	Re: Can gFortran Link Against Cygwin netCDF 4.3.1.1 Library?
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On 11/24/2014 10:28 PM, John Kim wrote:
> Hi,
>
> I have a C program that uses a custom Fortran library and the netCDF
> API. I'm trying to link the C and Fortran object files with the Cygwin
> netCDF 4.3.1.1. library, like this:
>
>     gfortran *.o libfortran.a -L"/cygdrive/c/Program Files (x86)/netCDF
> 4.3.1.1/lib" -lnetcdf
>
> But it says "undefined reference" to all the netcdf API functions. The
> netCDF installation I have is from the Cygwin Setup.exe installer. Do
> I need to compile the netCDF source in a special way to make it
> visible to the gfortran linker? Compiling netCDF is a major task so I
> thought I'd ask before I give that a try....
>
> Thanks,
>
> -John
>

Questions:
1)  C API or Fortran API for NetCDF ?

2)  Have you installed libnetcdf-devel package and
     libnetcdf-fortran-devel ?

3)  why -L"/cygdrive/c/Program Files (x86)/netCDF 4.3.1.1/lib" ?
     The latest cygwin libnetcdf-devel package is 4.3.2-2
     and its library is:

     $ cygcheck -l libnetcdf-devel |grep dll
     /usr/lib/libnetcdf.dll.a



Regards
Marco



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