User extensions on OSX 10.6

[Arlindo da Silva]

On Fri, Jan 22, 2010 at 10:33 PM, Huddleston, John <
Huddleston at cira.colostate.edu> wrote:

> Ramon
>
> In the unix world the 'ldd' command identifies the shared libraries that
> are required.
>
> In the windows world, it is 'cygcheck' or the 'depends' gui.
>
> What is the equivalent on the MAC? Run it on your executable.  Send the
> results to this list.
>
> Next, your executable compiled and so it must be requiring the dlsym
> dynamic linking loader object. Does the MAC have an equivalent?
>
>
The "ldd" equivalent on Mac OS X is "otool -L".

   Arlindo





> John Huddleston
>
> ________________________________________
> From: GRADSUSR at LIST.CINECA.IT [GRADSUSR at LIST.CINECA.IT] On Behalf Of Ramon
> Solano [rsolanob at GMAIL.COM]
> Sent: Friday, January 22, 2010 12:09 PM
> To: GRADSUSR at LIST.CINECA.IT
> Subject: User extensions on OSX 10.6
>
> Hello all,
>
> I have been using my own specialized GrADS user extensions since v2.0.a4
> with no problem at all. I used the example udx "hello" and some techniques
> showed in the other user extensions (thanks for providing the code).
>
> I use the GrADS source code and the additional supplibs to configure the
>  compilation, and then I jump into the extensions dir and then use the
> "make". I later copy my UDX to the official compiled GrADS distribution in
> my computers.This procedure have worked for my Mac OSX 10.5 (with fink) and
> Linux (RedHat 32 and 64 bits) with absolutely no problems.
>
> However, I just updated my Mac OSX to 10.6 and as there is no official
> gfortran released yet, I installed the one available on
> http://quatramaran.ens.fr/~coudert/gfortran/gfortran-macosx-x86.dmg, which
> identifies itself as "gcc version 4.5.0 20090604 (experimental) [trunk
> revision 148180] (GCC) ". According to fink, I have gcc4.0 and gcc4.2 so
> this may be an issue.
>
> My problem is that after apparently a good compilation of the UDX, GrADS
> complains that "dlsym(0xe0d650, f_rsb): symbol not found" (f_rsb is my UDX).
> I am doing exactly the same procedure as in 10.5, but here I am getting this
> problem under 10.6 . GrADS is working perfectly, and all provided UDXs as
> well so I know this should be possible.
>
> Any advice on a workaround would be greatly appreciated.
>
> Ramon
> U of Arizona
>



-- 
Arlindo da Silva
dasilva at alum.mit.edu
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