[vtk-developers] vtkNetCDF upgraded to 4.1.1

[Dave Partyka]

I have added them. Thanks

On Wed, Sep 8, 2010 at 5:30 PM, Sean McBride <sean at rogue-research.com>wrote:

> Dave,
>
> FYI, if I add:
>
> #define nc_inq_type vtk_netcdf_nc_inq_type
> #define nextUTF8 vtk_netcdf_nextUTF8
> #define nulldup vtk_netcdf_nulldup
>
> my app then links.  If I further add the utf8proc ones, VTK itself fails
> to link when rebuilt.
>
>
>
> On Wed, 8 Sep 2010 17:00:51 -0400, Dave Partyka said:
>
> >Thanks Sean, I'll take a look.
> >
> >On Wed, Sep 8, 2010 at 4:56 PM, Sean McBride <sean at rogue-research.com
> >wrote:
> >
> >> On Tue, 17 Aug 2010 15:11:12 -0400, Dave Partyka said:
> >>
> >> >I just upaded VTK's netcdf from 3.6.2 to 4.1.1. In addition to the
> >> >traditional C library I have also brought in the C++ version of the
> >> library
> >> >(vtkNetCDF_cpp). I spent time creating the proper DLL exports, allowing
> >> even
> >> >Windows developers to use the library! This provides a nicer API that
> >> >developers can use when writing new netcdf readers/writers. Also with
> >> netcdf
> >> >4.x we can now potentially use HDF5 based NetCDF files. See here for
> the
> >> >release notes for NetCDF 4. As always we value feedback from the
> >> community,
> >> >feel free to report any issues. In the mean time I will be monitoring
> the
> >> >dashboards.
> >>
> >> Dave,
> >>
> >> I believe there is some mangling missing after your change.  I just
> >> pulled VTK from git and my app, which links to both NetCDF and VTK, no
> >> longer links.  Error is:
> >>
> >> ld: duplicate symbol _nc_inq_type in /path1/libnetcdf.a(nc.o) and
> /path2/
> >> libvtkNetCDF.a(nc.c.o)
> >>
> >> If I do the following:
> >>
> >> nm libvtkNetCDF.a | grep " [TRD] "
> >>
> >> It lists several symbols that aren't prefixed by vtk_netcdf, namely:
> >>
> >> 0000000000003083 T _nc_inq_type
> >> 0000000000000043 T _nextUTF8
> >> 00000000000008ae T _nulldup
> >> 00000000000018ae T _utf8proc_NFC
> >> 0000000000001860 T _utf8proc_NFD
> >> 000000000000194a T _utf8proc_NFKC
> >> 00000000000018fc T _utf8proc_NFKD
> >> 0000000000001998 T _utf8proc_check
> >> 0000000000000343 T _utf8proc_codepoint_valid
> >> 0000000000000fd1 T _utf8proc_decompose
> >> 00000000000005d9 T _utf8proc_decompose_char
> >> 00000000000003c6 T _utf8proc_encode_char
> >> 0000000000000000 T _utf8proc_errmsg
> >> 000000000000054b T _utf8proc_get_property
> >> 00000000000000cf T _utf8proc_iterate
> >> 000000000000172b T _utf8proc_map
> >> 000000000000126a T _utf8proc_reencode
> >>
> >> nc_inq_type certainly should be in vtk_netcdf_mangle.h, not sure why/how
> >> you missed it.  My experience with updating VTK's freetype is that one
> >> must regenerate the symbol list on all the major platforms and merge the
> >> results.  Some symbols seem to only be exported on some OSes, see my
> >> comments in vtk_freetype_mangle.h.
> >>
> >> Not sure about the other symbols.  "utf8proc" looks like 3rd party code
> >> used by NetCDF itself.  I wonder if these symbols should not be exported
> >> at all, I'm guessing they are not part of NetCDF's public API.
>
>
>
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