[ncl-install] NCL 5.1.0 and libcurl

[Mateus Teixeira]

Hi David,

Thanks for your suggestion, now NCL doesn't complains about any library, but
I would like to know if the example given in

http://www.ncl.ucar.edu/Applications/opendap.shtml

really works? Is the internet address correct?

NCL gives the following answer when I try to access the file shown in that
example:

ncl 0> url      = "http://www.cdc.noaa.gov/cgi-bin/nph-nc/Datasets/"
ncl 1> filename = "ncep.reanalysis.dailyavgs/pressure/air.1948.nc"
ncl 2> f = addfile(url + filename,"r")
fatal:
fatal:Could not open (
http://www.cdc.noaa.gov/cgi-bin/nph-nc/Datasets/ncep.reanalysis.dailyavgs/pressure/air.1948.nc
)

In order to use NCL-opendap enabled, I have installed the following packages
in my fedora 10 installation:

openssl.i686                            0.9.8g-12.fc10
openssl-devel.i386                   0.9.8g-12.fc10

libcurl.i386                            7.19.4-3.fc10
libcurl-devel.i386                   7.19.4-3.fc10

libxml2.i386                            2.7.3-1.fc10
libxml2-devel.i386                  2.7.3-1.fc10

libdap.i386                             3.8.2-1.fc10
libdap-devel.i386                    3.8.2-1.fc10

libnc-dap.i386                          3.7.3-1.fc10
libnc-dap-devel.i386                 3.7.3-1.fc10

zlib.i386                               1.2.3-18.fc9
zlib-devel.i386                      1.2.3-18.fc9


It seems that all versions of the packages needed for NCL-opendap enabled to
work are installed. I only not sure if the libcurl package installed was
build with zlib.

If the file location of that example is correct, I think that something
isn't working properly in my system. If it is the case, is it possible to
identify the source of the problem?

Thanks for the help.

Best regards,


Mateus



2009/3/30 David Brown <dbrown at ucar.edu>

> Hi Mateus,
> I have seen a report that suggests a pretty simple work-around:
>
> If you have root access the most straightforward thing to do is to create
> the following symbolic link:
> ln -s /usr/lib/libcurl.so /usr/lib/libcurl.so.3
>
> This is assuming that your existing libcurl is in /usr/lib/.
>
> /usr/lib/libcurl.so is usually itself a symbolic link to the current
> version of libcurl.
>
> If you don't have root access or you don't want to modify the system
> library directories at all, then another option would be to
> create the symbolic link in your own directory space, e.g.
>
> ln -s /usr/lib/libcurl.so <my-directory-path>/libcurl.so.3
>
> you would then need to add <my-directory-path>  to LD_LIBRARY_PATH:
>
> (using csh): setenv LD_LIBRARY_PATH <my-directory-path>:$LD_LIBRARY_PATH
>
> If this does not work, let us know. The other alternative is to actually
> install a copy of libcurl.so.3, but it has other dependencies that
> make it a somewhat painful process.
>  -dave
>
>
>
> On Mar 29, 2009, at 11:31 AM, Mateus Teixeira wrote:
>
> Dear NCL users,
>
> I'm trying to run NCL 5.1.0 OPeNDAP-enabled binaries on Fedora 10, but it
> complains about libcurl.so.3 file. I checked my system and found that there
> is a version of libcurl package that provides the file libcurl.so.4. I
> didn't find a package providing the requered file.
>
> Is there a solution or a workaround to this problem?
>
> Best regards,
>
>
> --
> Mateus da Silva Teixeira
>
> Registered Linux User #466740
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>
>


-- 
Mateus da Silva Teixeira

Registered Linux User #466740
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