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From: "DeTracey, Brendan" <Brendan.DeTracey@dfo-mpo.gc.ca>
To: Marco Atzeri <marco.atzeri@gmail.com>,
        "cygwin@cygwin.com"	<cygwin@cygwin.com>
Subject: RE: Building cdo
Date: Thu, 11 Dec 2014 18:45:31 +0000
Message-ID: <22C6A8A4889F0C45B71BF3272671822E82026F55@SVNSBIOMBX01.ENT.dfo-mpo.ca>
References: <22C6A8A4889F0C45B71BF3272671822E82026F01@SVNSBIOMBX01.ENT.dfo-mpo.ca> <5489DCA4.7040807@gmail.com>
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Thanks Marcos
I tried re-running the cdo make and it still picked up libsz.la
Will re-running configure automatically pick up the shared instead of the static? 

> -----Original Message-----
> From: cygwin-owner@cygwin.com [mailto:cygwin-owner@cygwin.com] On
> Behalf Of Marco Atzeri
> Sent: December-11-14 2:04 PM
> To: cygwin@cygwin.com
> Subject: Re: Building cdo
> 
> 
> On 12/11/2014 6:31 PM, DeTracey, Brendan wrote:
> > Hi,
> >
> > I am trying to build cdo (https://code.zmaw.de/projects/cdo) from source and
> have a common problem:
> > *** Warning: This system can not link to static lib archive
> /usr/local/lib/libsz.la.
> > *** I have the capability to make that library automatically link in
> > when
> > *** you link to this library.  But I can only do this if you have a
> > *** shared version of the library, which you do not appear to have.
> >
> > I looked at my build of libsz (from hdf's szip
> http://www.hdfgroup.org/HDF5/release/obtain5.html#extlibs ) and even though
> I specified --enable-shared it did not build the shared libraries. Why is this?
> >
> > I looked at libsz.la and manually built a dll from the object files:
> > gcc -shared -o libsz.dll rice.o sz_api.o encoding.o but copying the
> > resulting libsz.dll to /use/local/lib is not enough for the cdo build
> > to recognize it as the shared library. It still tries to link to libsz.la Do I need
> *.dll.a for libsz?
> 
> yes
> 
> 
> > How do I do this and where do I put the final libsz.dll and corresponding
> libsz.dll.a?
> 
> gcc -shared -Wl,--enable-auto-import -Wl,--enable-auto-image-base \
>     -o cygsz.dll -Wl,--out-implib=libsz.dll.a  \
>      rice.o sz_api.o encoding.o
> 
> cygsz.dll     in /usr/local/bin
> libsz.dll.a   in /usr/local/lib
> 
> 
> > Pointing me to any documentation would be appreciated. All I have found is
> Building and Using DLL's in the Cygwin users manual.
> 
> same as reported
> https://cygwin.com/cygwin-ug-net/dll.html#dll-build
> 
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