[ncl-install] Installing NCL 6.2.0 on Mac OS 10.7.5

[Mary Haley]

Hi Mattias,

Unfortunately MacOS 10.7 is a bit too old for us to support anymore. The issue is that  Apple stops supporting these systems in terms of providing the latest compilers, etc, which in turn makes it hard for us to compile newer code that depends on these newer versions of compilers.

You can try building NCL from source code. There are detailed instructions at:

http://www.ncl.ucar.edu/Download/build_from_src.shtml

Since the build system is set up to recognize MacOSX systems, you shouldn't need to change any code, but you might need to edit the $NCARG/config/Darwin_Intel file.

If you have any problems with this, please post them to back to this list, and I will try to help. It is really helpful if you can provide the "make-output" file that contains the output from the NCL build (the instructions mention this).

Another user (Basit Khan) posted a similar question about a week ago, and I've included him here in case he's had any success building NCL on his own.

--Mary


On May 12, 2014, at 11:10 PM, Mattias Cape <mattias at spg.ucsd.edu> wrote:

> Hi,
> 
> I¹d like to install NCL to plot output from an atmospheric model (grib
> format). I¹m currently running Mac OS 10.7.5, and have gcc version 4.2.1 and
> gfortran version 4.6.1
> 
> gfortran --version
> GNU Fortran (GCC) 4.6.1
> gcc --version
> i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build
> 5658) (LLVM build 2335.15.00)
> 
> I was unable to find a binary for my version of OSX, but tried to install
> ncl_ncarg-6.2.0.MacOS_10.8_64bit_gcc471.tar.gz. I followed the directions
> from http://www.ncl.ucar.edu/Download/install.shtml without any issues.
> However when I tested the install with
> 
> ng4ex gsun01n -clean
> 
> No window or plot popped up. The gsun01n file was copied to the directory
> however and no error was returned. My display settings are as follows:
> 
> echo $DISPLAY
> /tmp/launch-aWEnSQ/org.x:0
> 
> Trying to simply run ncl gives me an error however
> 
> ncl -V
> Segmentation fault: 11
> 
> Because I am using an older version of OSX, including older compilers, I'm
> having a hard time isolating the problem. I wanted to see if I could get
> some suggestions on things to try. Upgrading to OS 10.8 would not
> necessarily be my first choice but perhaps it's necessary.
> 
> Thanks for the help,
> 
> Mattias
> 
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