Re: Cairo error during install on Mac 10.8, NCL 6.1

Hi,

I was aware of some cairo changes/dependencies with NCL 6.1 but was
hoping it wasn't that bad. Strictly speaking, I'm not in a huge rush to
get PyNGL on this laptop partly because I don't actually use it much
yet. I have PyNGL installed on my 10.6 desktop but, frustratingly, this
fall I lost my modest set of new PyNGL scripts when a hard drive there
crashed and, stupidly, I hadn't been backing it up. Now I'm wondering
(casually) whether that install still works after upgrading to NCL
6.1...I'm guessing not?

This install was actually just part of a "hey it's 2013, I should
refresh my software installs and sync my Macs" project, so more like
housekeeping than specific to wanting PyNGL urgently.

I think my bottom line is: I can wait for a stable/official new PyNGL
as long as it's not a long time off. I don't actually use X11 windows
(I prefer postscript for some reason...) so the bug you mentioned
probably wouldn't affect me. Thus I could probably use the 1.5.0 alpha
if I needed to -- but I can afford to wait.

Thanks,
Dave

Mary Haley said the following on 1/8/2013 12:14 PM:
> Hi Dave,
>
> Unfortunately, you can't link PyNGL 1.4.1 against NCL 6.1, because 6.1 involves a major overhaul of the graphics, and hence a change to some internal names. The two software versions are not compatible. I'll add something to the build page about this.
>
> You will need to use NCL V6.0.0, or, I can give you a PyNGL 1.5.0 (alpha) that compiles against NCL V6.1.0. There's a weird X11 bug I'm still tracking down for PyNGL 1.5.0, which causes you to have to <ctrl-c> out of the last X11 window, because it doesn't close gracefully.
>
> --Mary
>
> On Jan 7, 2013, at 11:51 AM, David B. Reusch wrote:
>
>> Hi,
>>
>> I'm getting the following error when trying to build PyNGL on my Mac
>> (10.8.2) with NCL 6.1 (and python 2.7.2):
>>
>> gsun.c:1831:25: error: use of undeclared identifier 'NhlcairoPSPDFWorkstationClass'; did you mean 'NhlcairoImageWorkstationClass'?
>>
>> NhlCreate(&wks,type,NhlcairoPSPDFWorkstationClass,NhlDEFAULT_APP,wk_rlist);
>>
>> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>
>> NhlcairoImageWorkstationClass
>>
>>
>> This looks like it's related to cairo but, as far as I can tell, all the
>> PyNGL install prereqs have been met (per the install web page
>> http://www.pyngl.ucar.edu/Download/build_pyngl_from_src.shtml). All but
>> zlib are installed under fink.
>>
>> I've used the following script successfully on a different Mac (10.6):
>> #!/bin/tcsh -f
>> # build PyNGL
>>
>> setenv FC gfortran
>> setenv F2CLIBS gfortran
>> setenv F2CLIBS_PREFIX /usr/local/gfortran/lib
>> setenv CXX g++
>>
>> python setup.py build >& build.out
>>
>> I'm also seeing about a dozen warnings about macros being redefined (out
>> of ~37 warnings total).
>>
>> Happy to provide more info, I'm out of ideas myself.
>>
>> Thanks,
>> Dave
>>
>> --
>> Associate Research Professor of Climatology
>> Dept of Earth and Environmental Science
>> MSEC 304; 801 Leroy Place
>> New Mexico Tech
>> Socorro, NM 87801
>>
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>

-- 
Associate Research Professor of Climatology
Dept of Earth and Environmental Science
MSEC 304; 801 Leroy Pl
New Mexico Tech
Socorro, NM 87801
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