[ncl-install] Runtime error with NCL 6.2.1 on OS X 10.6.8 after upgrade

[Mary Haley]

Hi Chris,

Sorry for the delay in response. We are teaching a workshop in Albany this week.

I believe this problem is related to an incompatibility with gcc/gfortran compilers versions.
The NCL binary for MacOS10.6 was built with gcc/gfortran version 4.6.0.

What version do you have on your system?

    gcc --version
    gfortran --version

--Mary

On May 21, 2013, at 9:23 PM, Chris Waigl wrote:

> All,
> 
> I upgraded NCL from 6.1.0 to 6.2.1 on my Mac (OS X 10.6.8 Snow Leopard) by downloading the precompiled binaries (OpenDAP enabled). Everything appears to be working fine, until I try to print to png files. Code snippet:
> 
> ===
> outputtype = "png"
> ...
> xwks = gsn_open_wks(outputtype, "filename")
> === 
> 
> The error appears the first time plot is called on this workstation. Error message:
> 
> ===
> dyld: lazy symbol binding failed: Symbol not found: ___emutls_get_address
>  Referenced from: /usr/local/ncl-6.1.2/bin/ncl
>  Expected in: /usr/lib/libSystem.B.dylib
> 
> dyld: Symbol not found: ___emutls_get_address
>  Referenced from: /usr/local/ncl-6.1.2/bin/ncl
>  Expected in: /usr/lib/libSystem.B.dylib
> ===
> 
> The file /usr/lib/libSystem.B.dylib does exist:
> 
> ===
> chris$ ls -lAF /usr/lib/libSystem*
> -r-xr-xr-x  1 root  wheel  6890816 Jun  7  2011 /usr/lib/libSystem.B.dylib*
> -r-xr-xr-x  1 root  wheel  8996800 Dec  8  2010 /usr/lib/libSystem.B_debug.dylib*
> -r-xr-xr-x  1 root  wheel  7096080 Dec  8  2010 /usr/lib/libSystem.B_profile.dylib*
> lrwxr-xr-x  1 root  wheel       17 Apr 27  2010 /usr/lib/libSystem.dylib@ -> libSystem.B.dylib
> -rw-r--r--  1 root  wheel    75820 May 18  2009 /usr/lib/libSystemStubs.a
> -rw-r--r--  1 root  wheel    75820 May 18  2009 /usr/lib/libSystemStubs_debug.a
> -rw-r--r--  1 root  wheel    75924 May 18  2009 /usr/lib/libSystemStubs_profile.a
> lrwxr-xr-x  1 root  wheel       23 Apr  8  2011 /usr/lib/libSystem_debug.dylib@ -> libSystem.B_debug.dylib
> lrwxr-xr-x  1 root  wheel       25 Apr  8  2011 /usr/lib/libSystem_profile.dylib@ -> libSystem.B_profile.dylib
> ===
> 
> The error does not occur if I print to pdf instead of png. It also didn't occur with 6.1.0 before the upgrade. 
> 
> Has anyone seen anything like this? Is this a problem with my environment or with the way the executable is compiled? 
> 
> Thanks,
> 
> Chris Waigl
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